Difference between revisions of "Team:Queens Canada/Notebook"

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</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6982-item" data-formattable="true" data-index="19" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-bUNJMmGJ-restriction-digest/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Restriction Digest</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6982" data-index="19">
 
</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6982-item" data-formattable="true" data-index="19" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-bUNJMmGJ-restriction-digest/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Restriction Digest</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6982" data-index="19">
 
</div></div></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6983" data-index="20" style="margin-left:0;">An over night culture was prepared using two colonies from the pET-16b DH10B cells plate. 4 ul of Amp was added to the LB of the ON. </div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6984-item" data-formattable="true" data-index="21" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-KswC8Fsq-over-night-culture/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Over Night Culture</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6984" data-index="21">
 
</div></div></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6983" data-index="20" style="margin-left:0;">An over night culture was prepared using two colonies from the pET-16b DH10B cells plate. 4 ul of Amp was added to the LB of the ON. </div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6984-item" data-formattable="true" data-index="21" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-KswC8Fsq-over-night-culture/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Over Night Culture</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6984" data-index="21">
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</div></div></div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Thursday, 5/19/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6985" data-index="22" style="margin-left:0;">Mini prepped the two over night cultures. DNA was clumpy instead of wispy for one of the mini prep tubes. Resulted in low concentration of DNA and impure yield. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6986" data-index="23" style="margin-left:0;">pET-16b_DH10B #1 : 93.85 ng/ul of DNA.  <span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_DH10B #2 : 39.60 ng/ul of DNA.</span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6987" data-index="24" style="margin-left:0;">EcoRV digest of <span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_XL1B #1, </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_XL1B #2, </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_DH10B #1. Ran a 1% gel. </span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6988" data-index="25" style="margin-left:0;">Insert Gel Here. Two bands present around 4.2 and 1.5 kb which corresponds to pET-16b vector cuts. Air bubble in gel may have caused lane shit upwards. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6989" data-index="26" style="margin-left:0;">The next step since pET-16b was confirmed is to amplify the oxidaiton domain ordered from IDT with the set of Gibson primers and assemble it in the pET-16b vector using Gibson assembly.</div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Friday, 5/20/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6990" data-index="27" style="margin-left:0;">PCR Amplification of Codon Optimized Oxidation Domain (CO Ox Domain) with DDGibsFwd and <span style="color:#344043"><span style="background-color:#FFFFFF">DDGibsRev2. </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">50 ul PCR reaction was prepared. </span></span></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6991-item" data-formattable="true" data-index="28" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/mbBZUEZJ-ox-domain-engineering/seq-ncJc3zxa-co-ox-domain/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">CO Ox Domain</div></h5><div class="note-preview-body"><img src="CO%20Ox%20Domain-seq_ncJc3zxa.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6991" data-index="28">
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</div></div></div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Thursday, 5/19/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6985" data-index="22" style="margin-left:0;">Mini prepped the two over night cultures. DNA was clumpy instead of wispy for one of the mini prep tubes. Resulted in low concentration of DNA and impure yield. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6986" data-index="23" style="margin-left:0;">pET-16b_DH10B #1 : 93.85 ng/ul of DNA.  <span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_DH10B #2 : 39.60 ng/ul of DNA.</span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6987" data-index="24" style="margin-left:0;">EcoRV digest of <span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_XL1B #1, </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_XL1B #2, </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">pET-16b_DH10B #1. Ran a 1% gel. </span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6988" data-index="25" style="margin-left:0;">Insert Gel Here. Two bands present around 4.2 and 1.5 kb which corresponds to pET-16b vector cuts. Air bubble in gel may have caused lane shit upwards. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6989" data-index="26" style="margin-left:0;">The next step since pET-16b was confirmed is to amplify the oxidaiton domain ordered from IDT with the set of Gibson primers and assemble it in the pET-16b vector using Gibson assembly.</div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Friday, 5/20/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6990" data-index="27" style="margin-left:0;">PCR Amplification of Codon Optimized Oxidation Domain (CO Ox Domain) with DDGibsFwd and <span style="color:#344043"><span style="background-color:#FFFFFF">DDGibsRev2. </span></span><span style="color:#344043"><span style="background-color:#FFFFFF">50 ul PCR reaction was prepared. </span></span></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6991-item" data-formattable="true" data-index="28" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="https://static.igem.org/mediawiki/2016/e/ee/T--Queens_Canada--cooxdomainseq.svg" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">CO Ox Domain</div></h5><div class="note-preview-body"><img src="https://static.igem.org/mediawiki/2016/e/ee/T--Queens_Canada--cooxdomainseq.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6991" data-index="28">
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</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6992-item" data-formattable="true" data-index="29" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/mbBZUEZJ-ox-domain-engineering/seq-0bXnhq2F-ddgibsoxrev2/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DDGibsOxRev2</div></h5><div class="note-preview-body"><img src="DDGibsOxRev2-seq_0bXnhq2F.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6992" data-index="29">
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</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6992-item" data-formattable="true" data-index="29" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="https://static.igem.org/mediawiki/2016/a/af/T--Queens_Canada--ddgibsoxrev2.svg" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DDGibsOxRev2</div></h5><div class="note-preview-body"><img src="https://static.igem.org/mediawiki/2016/a/af/T--Queens_Canada--ddgibsoxrev2.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6992" data-index="29">
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</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6993-item" data-formattable="true" data-index="30" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/mbBZUEZJ-ox-domain-engineering/seq-ImekeEma-ddgibsoxfwd/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DDGibsOxFwd</div></h5><div class="note-preview-body"><img src="DDGibsOxFwd-seq_ImekeEma.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6993" data-index="30">
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</div></div></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part6993-item" data-formattable="true" data-index="30" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-sequence mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="https://static.igem.org/mediawiki/2016/d/d9/T--Queens_Canada--ddgibsoxfwd.svg" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DDGibsOxFwd</div></h5><div class="note-preview-body"><img src="https://static.igem.org/mediawiki/2016/d/d9/T--Queens_Canada--ddgibsoxfwd.svg"/></div></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part6993" data-index="30">
 
</div></div></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6994" data-index="31" style="margin-left:0;">Insert Gel</div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6995" data-index="32" style="margin-left:0;">The PCR product was cleaned up using a NucleoSpin PCR cleanup Kit (Insert Protocols)</div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6996" data-index="33" style="margin-left:0;">The pET-16b Vetor was linearized using a double digest. It was digested using NdeI and BamHI. 5 ul of vector was used in order to meet the requirements of Gibson assembly after dilution by the digestion. </div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Monday, 5/23/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6997" data-index="34" style="margin-left:0;">Break Civic Holiday </div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Tuesday, 5/24/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6998" data-index="35" style="margin-left:0;"><span style="color:#344043"><span style="background-color:#FFFFFF">Gibson Assembly was used in order to insert the oxidation domain into the pET-16b vector. 3ul of the double digest linearized solution and 0.658 ul of the PCR oxidation domain product was used. </span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6999" data-index="36" style="margin-left:0;">2ul of the Gibson Assembly product was used to transform DH5<span style="color:#252525"><span style="background-color:#F9F9F9">α NEB Cells. </span></span></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part7000-item" data-formattable="true" data-index="37" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-h4bAJc6y-dh5-chemical-transformation/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DH5α Chemical Transformation</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part7000" data-index="37">
 
</div></div></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6994" data-index="31" style="margin-left:0;">Insert Gel</div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6995" data-index="32" style="margin-left:0;">The PCR product was cleaned up using a NucleoSpin PCR cleanup Kit (Insert Protocols)</div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6996" data-index="33" style="margin-left:0;">The pET-16b Vetor was linearized using a double digest. It was digested using NdeI and BamHI. 5 ul of vector was used in order to meet the requirements of Gibson assembly after dilution by the digestion. </div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Monday, 5/23/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6997" data-index="34" style="margin-left:0;">Break Civic Holiday </div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Tuesday, 5/24/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6998" data-index="35" style="margin-left:0;"><span style="color:#344043"><span style="background-color:#FFFFFF">Gibson Assembly was used in order to insert the oxidation domain into the pET-16b vector. 3ul of the double digest linearized solution and 0.658 ul of the PCR oxidation domain product was used. </span></span></div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part6999" data-index="36" style="margin-left:0;">2ul of the Gibson Assembly product was used to transform DH5<span style="color:#252525"><span style="background-color:#F9F9F9">α NEB Cells. </span></span></div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part7000-item" data-formattable="true" data-index="37" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-h4bAJc6y-dh5-chemical-transformation/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">DH5α Chemical Transformation</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part7000" data-index="37">
 
</div></div></div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Wednesday, 5/25/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part7001" data-index="38" style="margin-left:0;">Mixed up the control and the colony plates.  Good colony growth was present on the plate. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part7002" data-index="39" style="margin-left:0;">8 colonies were picked and over night cultures were prepared.  4ml of LB was poured in each tube and 4ul of Amp was used. </div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part7003-item" data-formattable="true" data-index="40" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-KswC8Fsq-over-night-culture/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Over Night Culture</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part7003" data-index="40">
 
</div></div></div></div></div></div></div><div class="dnd-drop-container-border"></div></div></div></div></div></div></div></div><div><div class="printable-container"><div><div class="printable-page-container"><div class="noteEditor mediocre" tabindex="-1"><div></div><div class="noteEditor-container"><div class="u-cursor-text noteEditor-catcher u-disable-margin-collapse dnd-drop-container"><div class="noteEditor-contentWrapper"><h1 class="mediocre-titleEditor"><div class="editable selectable is-locked" contenteditable="false" data-allow-multiline="false" data-cid="notetitleeditor" data-index="0">Oxidation Domain Purification</div></h1><div><div><i class="faded">Made with Benchling</i></div><div><b>Project:</b> QGEM 2016 Project</div><div><b>Authors:</b> Dragos Chiriac</div><div><b>Dates:</b> 2016-05-16 to 2016-07-20</div></div><div class="editor" data-editor="notes"><div class="hiddenFocusEditable js-focusBearer" contenteditable="true" tabindex="-1"></div><div class="daySeparator"><div class="daySeparator-inputWrapper"><input class="daySeparator-inputWrapper-hiddenInput" type="input"/></div><span class="daySeparator-date">Wednesday, 5/25/16</span><div class="daySeparator-line"></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part7001" data-index="38" style="margin-left:0;">Mixed up the control and the colony plates.  Good colony growth was present on the plate. </div></div></div><div class="mediocre-item is-text"><div class="mediocre-noteEditable multi-editable is-paragraph"><div class="mediocre-noteEditable-indenter" style="width:0;"></div><div class="editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="false" data-cid="note-part7002" data-index="39" style="margin-left:0;">8 colonies were picked and over night cultures were prepared.  4ml of LB was poured in each tube and 4ul of Amp was used. </div></div></div><div class="mediocre-item"><div style="margin-left:0;"><div class="hiddenFocusEditable editable" contenteditable="true" data-cid="note-part7003-item" data-formattable="true" data-index="40" data-subindex="item"></div><div class="mediocre-captionEditable multi-editable"><div class="component-top-row component-row"><div class="mediocre-captionEditable-cell mediocre-captionEditable-component"><div class="note-item-wrapper"><div class="dnd-drop-container"><div class="note-protocol mediocre-itemSelect note-item"><div><h5 class="u-no-spacing-top u-no-spacing-bottom"><div class="pull-right"><a class="previewCTA hidden-for-print" href="/qsynbio/f/jkNhO13z-protocols/prt-KswC8Fsq-over-night-culture/edit" target="_blank"><span class="glyphicon glyphicon-new-window" icon="new-window"></span></a></div><svg class="svgIcon note-icon u-small-spacing-right pull-left"><use xlink:href=""></use></svg><div class="note-itemName">Over Night Culture</div></h5></div></div><div class="dnd-drop-container-border"></div></div></div></div><div class="mediocre-captionEditable-cell" style="width:0;"></div><div class="mediocre-captionEditable-cell multi-editable mediocre-captionEditable-caption editable selectable is-locked" contenteditable="false" data-allow-at-search="true" data-allow-multiline="true" data-cid="note-part7003" data-index="40">

Revision as of 19:42, 1 December 2016

Team:Queens Canada

Dry Lab

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Date: 2016-03-22
Tuesday, 3/22/16
Used regular expressions to find the concensus sequence of A8 and A9 motifs in the adenylation domain
To read: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2773127/
Explorations of catalytic domains in non-ribosomal peptide synthetase enzymology - Read Up Fam

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Monday, 5/16/16
This will start when the DNA from IDT arrives.
●
We have to get the pET-16b vector from Dr. Allingham's lab. Digest the vector with NdeI and BamHI to linearize it.
●
PCR the oxidation domain with the gibson assembley primers.
●
Run a gel to verrify the size of the insert + RE digestion.
●
Purify with nickle affinity chromatography
Use the nanodrop on the pET-16b vector received from the Allingham lab. the vector had a concentration of 34.7 ng/ul. Due to the low concentration it was recommended we transform and propagate the vector.
The pET-16b plasmid was used to transform a culture of XL1 Blue cells. 5 ul of DNA was used for the transformation. Plates were made with Amp resistance.
XL1 Blue Transformation
1/10 and 1/100 dilutions were prepared.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Tuesday, 5/17/16
Two colonies were found on the 1/10 dilution plate.
Another transformation was attempted with DH10B cells using the pET-16b vector. 5 ul of pET-16b vector was used and the transformation was plated on AmpR plates.
DH5α Chemical Transformation
An overnight culture with the two colonies found on the 1/10 dilution plate was started. 4 ul of Amp was added to the culture tube.
Over Night Culture

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Wednesday, 5/18/16
The over night cultures were mini prepped using a Nucleospin Miniprep Kit. Multiple colonies on transformation plate, none on control.
Mini Prep
2
The DNA concentration of each mini prep was found to be (1) 126.45 ng/ul and (2) 76.5 ng/ul
A 0.8% gel was ran using the two miniprep samples after they were digested with EcoRV. The gel was streaky including the ladder, but two bands were visible in accordance to a EcoRV digest. Possible troubleshooting: properly heat inactivate the enzyme. Pour deeper gel wells since they felt shallow when pipetting.
Agarose Gel Electrophoresis
Restriction Digest
An over night culture was prepared using two colonies from the pET-16b DH10B cells plate. 4 ul of Amp was added to the LB of the ON.
Over Night Culture

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Thursday, 5/19/16
Mini prepped the two over night cultures. DNA was clumpy instead of wispy for one of the mini prep tubes. Resulted in low concentration of DNA and impure yield.
pET-16b_DH10B #1 : 93.85 ng/ul of DNA. pET-16b_DH10B #2 : 39.60 ng/ul of DNA.
EcoRV digest of pET-16b_XL1B #1, pET-16b_XL1B #2, pET-16b_DH10B #1. Ran a 1% gel.
Insert Gel Here. Two bands present around 4.2 and 1.5 kb which corresponds to pET-16b vector cuts. Air bubble in gel may have caused lane shit upwards.
The next step since pET-16b was confirmed is to amplify the oxidaiton domain ordered from IDT with the set of Gibson primers and assemble it in the pET-16b vector using Gibson assembly.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Friday, 5/20/16
PCR Amplification of Codon Optimized Oxidation Domain (CO Ox Domain) with DDGibsFwd and DDGibsRev2. 50 ul PCR reaction was prepared.
CO Ox Domain
DDGibsOxRev2
DDGibsOxFwd
Insert Gel
The PCR product was cleaned up using a NucleoSpin PCR cleanup Kit (Insert Protocols)
The pET-16b Vetor was linearized using a double digest. It was digested using NdeI and BamHI. 5 ul of vector was used in order to meet the requirements of Gibson assembly after dilution by the digestion.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Monday, 5/23/16
Break Civic Holiday

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Tuesday, 5/24/16
Gibson Assembly was used in order to insert the oxidation domain into the pET-16b vector. 3ul of the double digest linearized solution and 0.658 ul of the PCR oxidation domain product was used.
2ul of the Gibson Assembly product was used to transform DH5α NEB Cells.
DH5α Chemical Transformation

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Wednesday, 5/25/16
Mixed up the control and the colony plates. Good colony growth was present on the plate.
8 colonies were picked and over night cultures were prepared. 4ml of LB was poured in each tube and 4ul of Amp was used.
Over Night Culture

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Thursday, 5/26/16
The ON cultures were cloudy in the morning signifying bacterial growth. All of the cultures were mini prepped.
Mini Prep
The mini prep was digested with EcoRV in order to verify the insert of the BpsA oxidation domain. The domain contains a EcoRV site so 3 bands were expected on the gel compared to the 2 seen for the regular pET-16b vector.
Insert EcoRV digest gel.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Friday, 5/27/16
No protein expression was induced, new parts were designed on Benchling and ordered through IDT.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Monday, 5/30/16
BL21 (DE3) cells were transformed using the mini prep product from miniprep #2 . a 1/10 dilution was also done
BL21 (DE3) Transformation

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Tuesday, 5/31/16
3 over night cultures were prepared using colonies form the 1/10 diluted transformation plate. Each on had a volume of 3.5 ml and 3.5 ul of Amp was added
Over Night Culture

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Wednesday, 6/1/16
The ON cultures were mixed and 0.5 ml was used to inoculate 25ml of LB in a 125ml flask.
The OD was checked periodically and 0.5 mM and 0.2 mM of IPTG were used to induce protein production when the cultures were at an OD600 level of 0.8. The cultures were left at 37 oC and 30oC over night (12 h)

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Thursday, 6/2/16
The cultures were sonnicated and protein levels were examined using an SDS-PAGE Gel.
The Gel was left to destain over night

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Friday, 6/3/16
No significant band was present at 52 KDa which would have been the mass of the oxidation domain and linker.
Future Steps:
1.
Use a higher level of IPTG for induction 1mM - 1.5 mM in order to stimulate protein production
2.
Take colony samples at 2, 4, and 6 hours after IPTG induction.
3.
Large band was present around 30 KDa. Using Phyre2 the conserved oxidation domain region was constructed through homology modeling. The oxidation domain itself would be 34.2 KDa. There might be some form of protease activity.
4.
Test will be re run again but using a larger 250/500 ml flask.

Padanamide E + Oxidation Domain Fusion

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Date: 2016-06-05
Sunday, 6/5/16
The purpose of creating a PadE like module with an interrupted adenylation domain containing the Oxidation domain from BpsA is to demonstrate that the nature readily uses the hypervariable loop between A8 and A9 motifs in the adenylation domain as a place for inserting tailoring domains.
The module will be fused with the oxidation domain through Gibson assembly and expressed in BAP1 cells

Padanamide E Module Expression

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Date: 2016-06-05
Sunday, 6/5/16

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Monday, 6/6/16
Prepared 3 ON cultures using BL21 cells . Use 100 mg/ml of Amp for the resistance .
Over Night Culture

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Tuesday, 6/7/16
added 1 ml of ON culture to 50ml of LB with 100mg/ml Ampicillin. Cells contained pET-16b vector with oxdation domain gene
OD600 of 0.704 was reached in 1h 25 min and 1 mM of IPTG was ued to induce protein expression. flasks were swirled after IPTG addition and incubated at 30C
10ml sample of uninduced bacteria was taken. The sample was centrifuged at 4000 rpm for 15 min and the supernatent was discarded. Pellet was stored at -80 C
10ml samples were taken 2h, 4h, 6h after induction The samples were centrifuged at 4000 rpm for 15 min and the supernatent was discarded. Pellets were stored at -80C

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Wednesday, 6/8/16
ON sample was taken and centrifuged at 4000 rpm for 15 min and the supernatent was discarded. Pellet was stored at -80 C
Cells were resuspended in 1ml of lysis buffer and sonnicated at amplitude 4 for 2 min using 20 second pulses or until the samples became a a clear opal colour. (all samples)
Total cell lysate samples were taken. 50ul samples of the TCL were spun down and the supernatent was collected. The pellet was re suspended in 50ul of dH2O.
All samples were denatured along with SDS loading dye

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Thursday, 6/9/16
The denatured samples were ran on a SDS-PAGE and imaged.
Insert GEL HERE !
a small fraction of the protein was visible in the supernatant while the majority of the protein was in icclusion bodies and insoluble.
Protein in the supernatant peaked at the 4h mark. None of it was present in the supernatent in the ON culture.

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Monday, 6/13/16
Linor prepared a ON culture using the BL21 Cells containing the pET-16b oxidation domain construct.
2 5ml ON tubes contained LB and 100mg/ml of Amp

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Tuesday, 6/14/16
The 2 5ml ON samples were mixed and 1 ml was used to innoculate 50 ml of LB in a 250 ml Erlenmeyer flask.
OD 600 = 0.65 was reached 2h after the initial inoculation. The cells were induced with 1mM IPTG and grown at 30C for 4h.
50 ml of Cell samples were spun down and frozen at -80C

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Wednesday, 6/15/16
Small Scale Protein Purification
1 ml of lysis buffer was added to the cell pellet
the pellet was resuspended and sonnicated for 1 min using 10 seocnd intervals until the lysate was clear
Protease inhibitor was added to the cell lysate 400 ul
the cell lysate was centrifuged at 14.5k for 10 min
1000ul of Nm was taken from the product
the pellet was resuspended in 1 ml of lysis buffer
Ni resin was prepared: 150 ul of the resin slurry was added to a spin column. It was centrifuged at 13.3k for 1 min
it was washed with 10 volumes of dH2O
The SN was added to the column and rocked for 30 min @ 4C
The column was washed once with lysis buffer
it was washed 4 times with 500 ul of elution buffer
the column was eluted with 100ul of elution buffer
10ul samples of each were taken and mixed with 10 ul of SDS loading dye.
the samples were denatured at 97 C for 10 min

Oxidation Domain Purification

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-05-16 to 2016-07-20
Friday, 6/17/16
A 12% SDS-PAGE was ran using the columns. 90V for 15 min stack and then 120v until the elution line reached the bottom of the gel
INSERT GEL PIC HERE

BpsA Thioesterase Domain Purificiation

Made with Benchling
Project: QGEM 2016 Project
Authors: Dragos Chiriac
Dates: 2016-06-19 to 2016-07-05
Sunday, 6/19/16
Goal: Create and express the thioesterase domain of BpsA in order to determine if it is responsible for the cyclization of glutamine SNACs

Gibson assembly

Introduction

Get started by giving your protocol a name and editing this introduction.

Materials

  • Vector
    • Insert
      • Gibson Master Mix

      Procedure

      • Assembley Protocol
      1. Set up the following reaction on ice: use http://nebiocalculator.neb.com/#!/ calculate the pmol of each fragment
      A
      B
      C
      D
      1
      2
      		Recommended Amount of Fragments Used for Assembly2-3 Fragment Assembly4-6 Fragment AssemblyPositive Control**
      3
      		Total Amount of Fragments0.02–0.5 pmols*X μl0.2–1 pmols*X μl10 μl
      4
      		Gibson Assembly Master Mix (2X)10 μl10 μl10 μl
      5
      		Deionized H2O10-X μl10-X μl0
      6
      		Total Volume20 μl***20 μl***20 μl
      Table1
      1. Use 2-3 times more insert than vector
      1. Incubate samples in a thermocycler at 50°C for 15 minutes when 2 or 3 fragments are being assembled or 60 minutes when 4-6 fragments are being assembled. Following incubation, store samples on ice or at –20°C for subsequent transformation.
      01:00:00
      00:15:00
      1. Transfor DH5α competent E. coli with 2 μl of the assembly reaction, following the transformation protocol.

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Sunday, 6/19/16
      Goal: Create and express the thioesterase domain of BpsA in order to determine if it is responsible for the cyclization of glutamine SNACs

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Monday, 6/20
      Rehydrate primers as well as BpsA domain. Linearized pET16b vector has a concentration of 23.46 ng/ul after digest
      To rehydrate primers add 10x ul of H2O where x is primer amount in uM. Concentration is now 100 uM, Make a 1/10 dilution in order to get a concentration of 10 uM.
      Rehydrate gene in 100ul of H20. Prepare a 1/10 dilution and use 1ul for PCR.
      PCR Amplification of TE domain with gibson primers
      PCR
      TM temp : 64 C
      BpsA T-TE Codon Optimized
      DDGibsTEFwd2
      DDGibsTERev2
      Prepare a Gel, run the product on a gel and perform a gel extraction
      Agarose Gel Electrophoresis
      Nanodrop PCR product to determine the concentration
      Prepare Gibson using pET16b backbone vector.
      Gibson assembly
      18.67 pM is the DD pET16 amount to use 46.7 pM of gene
      Transform into DH5a cells
      DH5α Chemical Transformation
      Accidentally left the cells in for 2 min 20 sec in water bath

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Monday, 6/20
      Rehydrate primers as well as BpsA domain. Linearized pET16b vector has a concentration of 23.46 ng/ul after digest
      To rehydrate primers add 10x ul of H2O where x is primer amount in uM. Concentration is now 100 uM, Make a 1/10 dilution in order to get a concentration of 10 uM.
      Rehydrate gene in 100ul of H20. Prepare a 1/10 dilution and use 1ul for PCR.
      PCR Amplification of TE domain with gibson primers
      PCR
      TM temp : 64 C
      BpsA T-TE Codon Optimized
      DDGibsTEFwd2
      DDGibsTERev2
      Prepare a Gel, run the product on a gel and perform a gel extraction
      Agarose Gel Electrophoresis
      Nanodrop PCR product to determine the concentration
      Prepare Gibson using pET16b backbone vector.
      Gibson assembly
      18.67 pM is the DD pET16 amount to use 46.7 pM of gene
      Transform into DH5a cells
      DH5α Chemical Transformation
      Accidentally left the cells in for 2 min 20 sec in water bath

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 6/21
      Large amount of colonies observed. Run ON at the end of the day
      Prepared 5 ON cultures, 5ml of LB with 5ul of 100mg/ul of Amp
      Over Night Culture

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 6/21
      Large amount of colonies observed. Run ON at the end of the day
      Prepared 5 ON cultures, 5ml of LB with 5ul of 100mg/ul of Amp
      Over Night Culture

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Monday, 6/27
      Prepared an ON culture with 50 ml of LB broth in a 250ml flask. Added 50ul of 100mg/ul of Amp to a total concentration of 100 ug/ul
      A pipette tip was used to pick a BL21 colony containing the pET-16b and oxidation domain construct

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 6/28
      Mini Prepped the ON cultures using Quiagen Miniprep Kit
      Mini Prep
      Checked the concentration of all 5 samples : 1. 2. 3. 4. 5.
      Digested the peET -16b BpsA TE DRE assembled vector with EcoRV. Expected to see 3 bands based off of virtual digest.
      Restriction Digest
      Ran 20ul of the digested product on a 1% Agarose Gel. Mixed
      Agarose Gel Electrophoresis
      Gel Pic

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 6/28
      Mini Prepped the ON cultures using Quiagen Miniprep Kit
      Mini Prep
      Checked the concentration of all 5 samples : 1. 2. 3. 4. 5.
      Digested the peET -16b BpsA TE DRE assembled vector with EcoRV. Expected to see 3 bands based off of virtual digest.
      Restriction Digest
      Ran 20ul of the digested product on a 1% Agarose Gel. Mixed
      Agarose Gel Electrophoresis
      Gel Pic

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Tuesday, 6/28
      Protein purification with 1L of LB.
      measured out 1L of water and 20g of LB into large flask. Mixed with magnetic stir bar and autoclaved.
      Inoculated with 10 ml of ON culture and 500ul of Amp in a sterile environemnet
      Incubated until OD reached 0.7
      Induced expression with 1 mM of IPTG
      Incubated at 20C over ngiht

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Wednesday, 6/29
      Used peET -16b BpsA TE DRE Sample # 3 in order to transform BL21 (DE3 ) Cells
      BL21 (DE3) Transformation

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Wednesday, 6/29
      Used peET -16b BpsA TE DRE Sample # 3 in order to transform BL21 (DE3 ) Cells
      BL21 (DE3) Transformation

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Wednesday, 6/29
      Spun down 1L of culture with large centrifuge 4000 RPM for 30 min
      Re suspended in a small amount of supernatent and discarded the rest
      Added 30 mL of Lysis Buffer w/ Lysozyme
      ADD BUFFER RECIPE
      incubated on ice for 30 min
      Sonicated for 50 seconds 2 min rest. Amplitude 7 for 5 rounds
      Spun down cell lysis for 16k RPM @ 4C for 35 min
      Filled an equilibrated nickle column with Ni resin. Filled with the supernatent from centrifugation,
      Rocked back and forth for 1h at $C
      Washed 4 times with wash Buffer
      Eluted with 50,100,...,30 mM of imidazole
      Elutions 2 and 3 were yellow possibly flavin co-purifying with the oxidation domain
      Elution 2 and 3 placed in a dialysis tube. SDS-PAGE showed the majority of the protein was in fraction 4 and 5.
      SDS-PAGE HERE

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Thursday, 6/30
      Used half plating method there were small colonies on the control side.
      Redoing the transformation next week

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Thursday, 6/30
      Used half plating method there were small colonies on the control side.
      Redoing the transformation next week

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Thursday, 6/30
      Concentrated fractions 4,5, and 6.
      Fractions were placed in dialysis for 6 hours with a buffer exchange at 3 hours
      Protein concentrated, total concentration of 5.7 mg/mL

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Monday, 7/4
      Used peET -16b BpsA TE DRE Sample # 3 in order to transform BL21 (DE3 ) Cells
      BL21 (DE3) Transformation

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Monday, 7/4
      Used peET -16b BpsA TE DRE Sample # 3 in order to transform BL21 (DE3 ) Cells
      BL21 (DE3) Transformation

      BpsA Thioesterase Domain Purificiation

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 7/5
      Colony growth on the plate was adeuate, No colonies present on the control plate

      BpsA Thioesterase Domain Purificiation 6/29/2016 9:50 AM - RECOVERED

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-06-19 to 2016-07-05
      Tuesday, 7/5
      Colony growth on the plate was adeuate, No colonies present on the con

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Tuesday, 7/5
      Beginning of enzymatic assay
      We believe that the oxidation domain is responsible for oxidizing the cyclized glutamine, or pyroglutamine
      Pyro-Gln was ordered from Astatech. It was resuspended in dH2O. It had a blue colour when suspended in solution. Auto oxidation of Pyro-Gln might occur creating indigoidine.

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Thursday, 7/7
      5 mg was suspended in deuterated ethanol. The compound was insoluble in DMSO.
      H NMR was performed in order to verify compound.
      INSERT NMR HERE

      Oxidation Domain Purification

      Made with Benchling
      Project: QGEM 2016 Project
      Authors: Dragos Chiriac
      Dates: 2016-05-16 to 2016-07-20
      Wednesday, 7/20
      Protein Assay
      Pyro-Gln has a peak of absorption at 595nm due to the blue colour. Indigoidine also has the same OD in H2O.
      Protein in phosphate buffer was used as a reference
      800 ul Protein and 200 ul of Pyro-Gln was the reaction
      Pyro-Gln with phosphate buffer used as a secondary reaction
      incubated at 30C checked back every 20 min,
      No apparent change in OD