Labjournal

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Samples

Transformation of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Investigator: Jeff, Rosario

Aim of the experiment: Transformation of Phytochrome B for protein fusion.

Procedure:

CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.

2 µl of DNA was added to 100 µl of competent cells and gently mixed.

30 min incubation on ice

5 min. heat shock at 37 °C

Adding of 1 ml LB-medium to each tube.

Incubation for 45 min at 37 °C in the 180 rpm cell-culture shaker.

100 µl of the cell suspension was plated on one chloramphenicol plate.

The rest were centrifuged for 1 min at 13000 rpm and the supernatant was dicarded.

The pellet was resuspended in 100 µl of LB-medium and this concentrated cell suspension was plated again on a new chlorampenicol plate.

Miniprep of pTUM100 with pGAL, pTEF1, pTEF2, pADH and RFC25 compatible RFP generator

Investigator: Jeff, Rosario

Aim of the experiment: Miniprep of pTUM100 with pGAL, pTEF1, pTEF2, pADH and RFC25 compatible RFP generator

Procedure:

Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)

Sequencing of RFP-Generator (RFC25, pSB1C3)

Investigator: Jeff, Rosario

Aim of the experiment: Sequencing of RFP-Generator (RFC25, pSB1C3)

Procedure:

Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer)

Picking of of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Investigator: Jeff, Rosario, Florian

Aim of the experiment: Picking of of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Procedure:

pSB1C3 plasmid with BBa_K801031 (PhyB 2 - 908 aa, RFC25): Colonies were picked from chloramphenicol plates.

Picked pipette tips was transferred into cell-culture tubes with air-permeable, sterile cover. Each tube contain 4 mL of LB-medium + 4 µL chloramphenicol(1000x).

4 colonies were picked.

These tubes were transferred in a cell culture shaker at 37 °C and were incubated overnight

Analytical digestion and gelelectrophoresis of RFP-generator (RFC25, pSB1C3, P4 & P5)

Investigator: Jeff, Rosario, Florian

Aim of the experiment: Analytical digestion and gelelectrophoresis of RFP-generator (RFC25, pSB1C3, P4 & P5).

Procedure:

Batch for analytical digestion for P4 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P4
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Batch for analytical digestion for P5 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P5
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Incubation for 90 min at 37 °C.

Analytical gelelectrophoresis was performed at 90 V for 60 min.

Results:

1 kbp ladder DNA ladder	P4	P5
	Mutation successful	Mutation successful!

Parts are compliant and do not contain RFC25 forbidden restriction sites.

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Sequencing of pTUM vectors with pGAL, pADH, pTEF1, pTEF2

Investigator: Jeff, Rosario, Florian

Aim of the experiment: Sequencing of pTUM vectors with pGAL, pADH, pTEF1, pTEF2

Procedure:

Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer).

The different vectors we sequenced received the following barcodes:

- ADH in pTUM100: FR01002265

- TEF1 in pTUM100: FR01002266

- TEF2 in pTUM100: FR01002266

- GAL in pTUM100: FR01002268

Sequencing of TEF2 in pTUM100 was not interpretable. The other sequences were consistent with the sequences in the parts registry.

Miniprep of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Investigator: Jeff, Florian

Aim of the experiment: Miniprep of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3).

Procedure:

Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)

Analytical digestion and gelelectrophoresis of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3), P7 - P10

Investigator: Jeff, Florian

Aim of the experiment: Analytical digestion and gelelectrophoresis of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3), P7 - P10.

Procedure:

Batch for analytical digestion for P7 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P7
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Batch for analytical digestion for P8 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P8
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Batch for analytical digestion for P9 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P9
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Batch for analytical digestion for P10 with NgoMIV+AgeI-HF

volume	reagent
2.5 µl	Plasmid DNA P10
2 µl	NEBuffer 4 (10x)
0.25 µl	NgoMIV (10 U/µl)
0.25 µl	AgeI-HF (20 U/µl)
15 µl	ddH2O
=20 µl	TOTAL

Incubation for 90 min at 37 °C.

Analytical gelelectrophoresis was performed at 90 V for 60 min.

Results:

1 kbp ladder DNA ladder	P7	P8	P9	P10
	Part is correct	Part is correct	Part is correct	Part is correct

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Transformation of E. coli XL1 blue with

Investigator:

Aim of the experiment: Transformation of E. coli XL1 blue.

Procedure:

CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.

µl of DNA was added to 100 µl of competent cells and gently mixed.

30 min incubation on ice

5 min. heat shock at 37 °C

Adding of µl LB-medium to each tube.

The cell suspension was plated on ampicillin plates (inclusive rescue plate) and incubated over night at 37 °C in the cell-culture shaker.

Week 1, May 16th - May 22nd

Monday, May 16th

Streptavidin plasmids control

Investigator: JB, LK, JH

Aim of the experiment: Verification of cloning

Procedure:

MiniPrep was performed after manufacturer's protocol (QIAprep MiniPrep, Qiagen) (4 clones each of pSA1, pSAm1 in pASK75)
analytic digestion with: 0,25 µl XbaI, 0,25 µl HindIII (HF), 1 µl SmartCut Buffer, 5 µl Plasmid-DNA, 3,5 µl H2O
5 µl on 1% agarose gel electrophoresis of digestion

Results: successful cloning verified, stored at -20 °C

1. Lane: 5 µl Thermo Fisher, 1kb Ladder

2. to 9. Lane: 5 µl digestions of P6 to P13, band of SA (mut1) at about 300 bp, band of digested plasmid at about 3.000 bp

Streptavidin expression_trafo BL21

Investigator: JB, JH

Aim of the experiment: expression of pSA1 and pSAm1 in E. Coli BL21

Procedure:

transformation according to protocol of P6 and P10 in competent E. Coli BL21

result: plates (LB Amp) in incubator for further processing (37 °C)

Tuesday, May 17th

SDS Gel Analysis

Investigator: CG

Aim of the experiment: SDS gel analysis of collagen 1/2, eGFP, fraction 30 of egg-precipitation

Procedure:

mixing of 80 µl samples with 20 µl SDS buffer and heating at 95°C for 10 min. 1 d staining, 1 d unstaining

Results: successful cloning verified, stored at -20 °C

1. Lane: 8 µl Marker (Thermo Fisher #26610)

2. Lane: fraction 30 (IEC), 3 µl, band at 35 kDa, Avidin expected at 16 kDa

3. Lane: eGFP, 12 µl, band at 27 kDa eGFP expected at 27 kDa, many impurities

4. Lane: Collagen 1, 12 µl, no sharp band

5. Lane: Collagen 1, 12 µl, no sharp band

Minipreps pSb1C3-AviTag, -A3C5, pASK75-(SA1), -(SAm1)

Investigator: CR, CG

Aim of the experiment: Verification of cloning

Procedure:

MiniPrep was performed after manufacturer's protocol (QIAprep MiniPrep, Qiagen)

analytic digestion with: 0,25 µl XbaI, 0,25 µl HindIII (HF) for pASK plasmids and 0,25 µl NgomIV, 0,25 µl AgeI (HF) for pSb1C3 plasmids, 1 µl SmartCut Buffer, 5 µl Plasmid-DNA, 3,5 µl H2O - 5 µl on 1% agarose gel electrophoresis of digestion

result: : successful cloning verified for pASK plasmids, repetition of pSb1C3 plasmids, stored at -20 °C

1. Lane: 5 µl Thermo Fisher, 1 kb Ladder

2. Lane: 5 µl digestion of pSb1C3-AviTag

3. Lane: 5 µl digestion of pSb1C3-A3C5

5. Lane: 5 µl digestion of pASK75(SA1), EB elution

6. Lane: 5 µl digestion of pASK75(SAmut1), EB elution

7. Lane: 5 µl digestion of pASK75(SAmut1), H2O elution

Inoculation of pre-culture with BL21 (pASK75 (SA1)) in LB-medium

Investigator: CR

Aim of the experiment: Preculture for streptavidin expression in TB-medium

Procedure:

Add 50 µL ampicillin in 50 mL LB-medium

Picking colonies from BL21 (pASK75 (SA1))

Inoculate LB-medium

Incubate at 30°C over night

Wednesday, May 18th

Repetition of analytical gel of pSb1C3-AviTag, -A3C5

Investigator: CG, CR

Aim of the experiment: Verification of cloning

Procedure:

analytic digestion with: 0,25 µl NgomIV, 0,25 µl AgeI (HF) for pSb1C3 plasmids, 1 µl SmartCut Buffer, 8,5 µl Plasmid-DNA
10 µl on 2% agarose gel electrophoresis of digestion

Results:

Inoculation of BL21 (pASK75 (SA1)) culture in 2 L TB-Medium and induction of streptavidin production by addition of tetracycline

Investigator: CR

Aim of the experiment: Production of streptavidin

Procedure:

Ampicillin (2 mL) was added to the Medium (1:1000)
The pre-culture (50 mL) was poured into the Medium
Culture was incubated at 37°C and 140 rpm until OD550 reached 0.5
To induce streptavidin expression anhydro-tetrazycline (200 µL) was added to the culture (1:10000)
The culture was incubated at 37°C and 140 rpm for 4 hours

Results:

Streptavidin expression by BL21

Expression and harvest of Streptavidin (pASK75 (SA1)) in BL21 in TB-medium

Investigator: CR, JB, JH

Aim of the experiment: Recombinant expression and purification of Streptavidin

Procedure:

After expression, cultures were transferred into centrifuge tubes and spun down in the centrifuge (4°C, 5000 rpm, 20 mins, F 4X1L rotor)
The supernatant was cast away and the pellet was transferred into a beaker of sufficient size and resuspended in fridge-cooled Tris Buffer B (50 mM Tris/HCl (pH = 8.0), 1 mM EDTA)
The solution was homogenized in the PANDA (ask supervisor)
The resulting lysate was transferred into centrifuge tubes and spun down (4°C, 18,000 rpm, 10 mins, XX34-rotor). The supernatant was cast away and the pellet was resuspended in 6M Gua-HCl (pH = 1.5) at 4°C overnight.

Dialysis of eGFP

Investigator: NA, JH, CR

Aim of the experiment: Purification of eGFP

Procedure:

eGFP was thawed on ice
eGFP was then poured in a dialysis hose (cut-off 14 kDa)
The hose was then placed in ice cold Tris/HCl 20 mM pH 8.0
The dialysis took place at 4°C over nightXX34-rotor). The supernatant was cast away and the pellet was

MiniPrep of quickchanged pNGAL146-A2

Investigator: NA

Aim of the experiment: Extraction of pNGAL146-A2 plasmid from XL1 blue

Procedure:

MiniPrep was performed after manufacturer's protocol (QIAprep MiniPrep, Qiagen)

Sequencing of P14, P15 & P19

Investigator: CR, NA

Aim of the experiment: Sequencing of P14, P15 & P19

Procedure:

Sequencing batches were prepared after manufacturer's protocol (15 µL plasmid DNA (50-100 µM) and 2 µL sequencing primer)
The different plasmids we prepared received the following barcodes:
P14 : FR11326653
P15 : FR11326655
P19 (K4): FR11326654
P16 (K1): FR11326652
P17 (K2): FR11326651
P18 (K3): FR11326650

Digestion of P16, P17, P18 & P19 with AgeI & HindIII + analytical gel

Investigator: NA, JH, CR

Aim of the experiment: Verification of success of quickchange

Procedure:

analytic digestion with: 0,25 µl HindIII (HF), 0,25 µl AgeI (HF), 1 µl SmartCut Buffer, 500 ng plasmid-DNA, fill up with ddH2O (Vtotal= 10µL)
10 µl on 2% agarose gel for electrophoresis

Results: No signal at 600 bp --> quickchange seems to be successful (waiting for sequencing)

Thursday, May 19th

Re-Sequencing of P19

Investigator: CR

Aim of the experiment: Re-Sequencing of P19

Procedure:Sequencing batches were prepared after manufacturer's protocol (15 µL plasmid DNA (50-100 µM) and 2 µL sequencing primer)

The different plasmids we prepared received the following barcodes:

P19 (K4): FR11326649

Cloning of A3C5 and Avi-Tag into pSB1C3

Investigator: CG

Aim of the experiment: Re-Trafo of pSB1C3 RFP for later on: digestion, dephosphorylation and cloning

Procedure: transformation according to protocol of P4 E. Coli XL1

Result: plates (LB Cam) in incubator for further processing (37 °C)

Streptavidin refolding

Investigator: JB

Aim of the experiment: Refolding of denaturated Streptavidin

Procedure: After the pellet had almost completely dissolved in 6M GdmCl, the solution was spun down (4°C, 20 mins, 18,000 rpm). The supernatant was transferred carefully into a falcon tube and the pellet was cast away. Via a hydraulic pump (flow rate: 2x10 ml/min) the lysate was transferred Into 5L PBS 1x. Afterwards the pump was cleaned with technical isopropanol and ELGA water. The solution was stirred overnight at 4°C for refolding.

Biotinylation of BSA

Investigator: JB

Aim of the experiment: Biotinylation of BSA

Procedure: A 100 µM (=6.8 mg/ml) solution of BSA (Albumin fraction V, pH=7, in the fridge in the central lab) was created (V=10 ml). 220 µl of a 100 mM Biotin stock were added. The mixture was stored overnight Iin the fridge (4°C).

Result: Hopefully biotinylated BSA mixture in the fridge (4°C).

Friday, May 20th

'''Friday, May 20'''^'''th'''

'''Qualitative analysis of streptavidin expression'''''''''

'''Investigator: '''CG

'''Aim of the experiment:''' SDS gel analysis of recombinant strepatividin expression

'''Procedure:''' mixing of 80 µl sample with 20 µl SDS buffer and heating at 95°C for 10 min. 1 h staining, 1 night unstaining

'''Result: '''

1. Lane: 8 µl Marker (Thermo Fisher #26610)
2. Lane: 12 µl culture aliquot, before induction
3. Lane: 12 µl culture aliquot, after induction
4. Lane: 3 µl culture aliquot of the lysed pelet, Strepatvidin expected at about 16 kDa
5. Lane: 3 µl culture aliquot of the supernatend after lysis, no Strepatvidin expected at about 16 kDa
6. Lane: 1.5 µl culture aliquot of the lysed pelet, Strepatvidin expected at about 16 kDa
7. Lane: 1.5 µl culture aliquot of the supernatend after lysis, no Streptavidin expected at about 16 kDa

'''Cloning of A3C5 and Avi-Tag into pSB1C3'''

'''Investigator: '''LK

'''Aim of the experiment:'''Inoculation of pre-culture with ''E. coli'' XL1 (pSb1C3 -RFP) in LB-Chloramphenicol-medium

'''Procedure:'''

Picking of colonies for ''E. coli'' XL1 (pSb1C3 -RFP)
Inoculate in 5 ml LB-Chloramphenicol-medium
Incubate at 37°C over night at 200 rpm

'''Transformation of Biobricks in XL1-blue'''''''''

'''Investigator: '''NA, JH

'''Aim of the experiment:''' Transformation

'''Procedure:'''

-10 µl dd H₂O in well of interest (standard distribution kit)

-1 µl Plasmid (out of well) to cells

-Transformation according to the SOP

Used bricks:

K577893, B0015, R0040, B0032, I14033, K747096

'''Ammonium sulfate precipitation of streptavidin'''

'''Investigator: '''JB

'''Aim of the experiment:''' Reduction of the protein solution volume and precipitation of streptavidin

'''Procedure:''' The 5 L protein solution was spun down (20 mins, 5,000 rpm) and the supernatant transferred into a beaker. In order to lower the volume of the solution for ammonium sulfate precipitation, the solution was first filtered via a membrane crossflow pump (membrane: Sartocon 0.45 µm, thick membrane).

'''Dialysis of biotinylated BSA'''

'''Investigator: '''NA

'''Aim of the experiment:''' purification of biotinylated BSA

'''Procedure:''' dialysis against Tris/HCl 20 mM, pH 8, 10 mM NaCl over night;

cut off : 14 kDa

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Week 1, May 16th - May 22nd

Week 2 (May 23rd - May 29th

Week 3 (May 30th - June 5th

Week 4 (June 6th - June 12th)

Week 5 (June 13th - June 19th)

Week 6 (June 20th - June 26th)

Thursday, June 23rd

Miniprep of E. coli Xl1-Blue transformed with ligation product P80/81 (mRuby3 K1/2), P82/83 (EspP K1/2), P84/85 (StrepTag K1/2) and Trafo of K157001

Investigator: Jan, Julian

Aim of the experiment: Miniprep of E. coli Xl1-Blue transformed with ligation product F50(K1,2), F51(K1,2), F52(K1,2) and Trafo of K157001 Procedure:

Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
Concentrations:

Plasmid	c [ng/µl]
P80	432,7
P81	294,8
P82	450,5
P83	479,0
P84	108,0
P85	356,0
P86	47,2

Friday, June 24th

Analytical digestion and gelelectrophoresis of P83 (EspP K2) and P83 (StrepTag K2)

Investigator: Julian, Niklas, Luisa

Aim of the experiment: Analytical digestion and gelelectrophoresis of P82/83 (EspP K1/2) and P84/85 (StrepTag K1/2).

Procedure:

Batch for analytical digestion for P82-P85 with EcoRI-HF

volume	reagent
0.5/1.0 µl	Plasmid DNA (-/P84)
1 µl	CutSmart buffer (10x)
0.5 µl	EcoRI-HF(10 U/µl)
8/7.5 µl	ddH2O (-/P84)
=10 µl	TOTAL

Sequencing of P80(mRuby3 K1), P83 (EspP K2) and P85 (StrepTag K2)

Investigator: Julian

Aim of the experiment: Sequencing of P80(mRuby3 K1), P83 (EspP K2) and P85 (StrepTag K2)

Procedure:

Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer). Sequencing primer VF2 was used

The different vectors we sequenced received the following barcodes:

mRuby3 in pSB1C3 (P80): FR11326590

EspP in pSB1C3 (P83): FR11326588

Streptag in pSB1C3 (P85): FR11326587

Transformation of E. coli XL1 blue with F64 (quickchanged P3(pSAm1))

Investigator: Niklas

Aim of the experiment: Transformation of E. coli XL1 blue.

Procedure:

CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.

10 µl of DNA was added to 100 µl of competent cells and gently mixed.

30 min incubation on ice

5 min. heat shock at 37 °C

Adding of 750 µl LB-medium to each tube.

The cell suspension was plated on ampicillin plates (inclusive rescue plate) and incubated over night at 37 °C in the cell-culture shaker.

--> Quickchange did not work, do again, than new transformation!

Gelextraction of F67(BirA), F68(mRuby), F69(EGFR-TMD), F70(pSB1C3) and F71(pSB1C3)

Investigator: Niklas

Aim of the experiment: Gelextraction of F67(BirA(Digest. F59 [EcoRI; SpeI])), F68(mRuby(Digest. F60 [NgoMIV; SpeI])), F69(EGFR-TMD(Digest. F60 [NgoMIV; SpeI]), F70(pSB1C3(digest. P74 [NgoMIV; SpeI]) and F71(pSB1C3(digest. P74 [EcoRI; SpeI])

Procedure:

Gelextraction was performed by manufacturers protocol (Qiagen).

Saturday, June 25th

Miniprep of E. coli Xl1-Blue transformed with P60 (mRuby/EGFR),F58 (Ligation pASK75 + Streptactin), F65 (CMV + CD4), F66 (CMV + EGFR), P70 (Short Linker)

Investigator: Niklas

Procedure:

Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
Concentrations:

Plasmid	c [ng/µl]
P87	81
P88	34,5
P89	86,3
P90	108,5
P91	417,4

Analytical digestion and gelelectrophoresis of F64 (quickchanged P3) for verification of succesful quickchange

Investigator: Niklas

Procedure:

Analytical digestion with NdeI and gelelectrophoresis. If quickchange worked there should be a band at about 3200 bp (only one restriction site left)

Incubation over night at room temperature.

Analytical gelelectrophoresis was performed at 90 V for 60 min.

Results:

Just a band showing a few bp (Primer), there is no plasmid band -> Quickchange did not work

Inoculation of colonies from Ligation of F69 + F70 (EGFR-TMD in pSB1C3)and F44 + F30 (mRuby in pSB1C3)

Investigator: Niklas

Procedure:

6x 4 ml LB+Cam media

Each culture was inoculated with one colony

Incubation at 37°C overnight

Sunday, June 26th

Miniprep of E. coli Xl1-Blue transformed with ligation product F44 + F30 (mRuby3 in pSB1C3), F66 + F70 (CMV+EGFR in pSB1C3)

Investigator: Luisa

Aim of the experiment: Extracting F44 + F30 (mRuby3 in pSB1C3), F66 + F70 (CMV+EGFR in pSB1C3) from E.coli XL-1-blue

Procedure:

Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
Concentrations:

Plasmid	c [ng/µl]
P92	162,9
P93	447,9

Repetition of Quick-Change PCR of P3 (pASK + SAm1)

Investigator: Luisa

Procedure:

The QC-PCR was performed according the SOP.

Reaction Mix:

volume	reagent
1,25 µl	Primer O21
1,25 µl	Primer O22
1 µl	dNTP-mix
5 µl	Pfu-Ultra-II reaction buffer
1 µl	template DNA (1:10 dilution of p3)
0,5 µl	Pfu-Ultra-II Polymerase
40,5 µl	ddH2O

digestion of PCR-Product with DpnI for 1h at 37°C

now labeled P94

Transformation of E. coli XL1 blue with P94 (quickchanged P3(pSAm1))

Investigator: Luisa

Aim of the experiment: Transformation of E. coli XL1 blue.

Procedure:

CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.

10 µl of DNA was added to 100 µl of competent cells and gently mixed.

30 min incubation on ice

5 min. heat shock at 37 °C

Adding of 950 µl LB-medium to each tube.

The cell suspension was plated on ampicillin plates (inclusive rescue plate) for pASK (F72) and on chloramphenicol plates for P92 and P93 and incubated over night at 37 °C in the incubator.

Analytical digestion and gelelectrophoresis of P92 (mRuby), P93 (CMV + EGFR) and P94 (pASK75)

Investigator: Luisa

Aim of the experiment: Analytical digestion and gelelectrophoresis of P92 (mRuby), P93 (CMV + EGFR) and P94 (pASK75).

Procedure:

Batch for analytical digestion for P92 and P93 with EcoRI-HF and PstI-HF

volume	reagent
1 µl	Plasmid DNA
1 µl	CutSmart buffer (10x)
0.5 µl	EcoRI-HF(10 U/µl) and PstI-HF (10 U/µl) for P92/93, NdeI (10 U/µl) for P94
7.5/7 µl	ddH2O
=10 µl	TOTAL

Results:

1. band (P92): no mRuby at 700bp visible, only empty vector
2. band (P93): empty vector and EGFR --> perfect
3. band (P94): no signal at all --> repetition of QC-PCR

Week 7 (June 27th - July 3rd)

Monday, June 27th

Sequencing of P67 (EGFR-Signalpeptid)

Investigator: Niklas

Procedure:

Sequencing batch was prepared after manufacturer's protocol. (15 µl of plasmid DNA (100 ng) and 2 µl sequencing primer (VF2))

FR11326586

Repetition of Quick-Change PCR of P3 (pASK + SAm1)

Investigator: Luisa

Procedure:

The QC-PCR was performed according the SOP.

Reaction Mix:

volume	reagent
1,25 µl	Primer O21
1,25 µl	Primer O22
1 µl	dNTP-mix
5 µl	Pfu-Ultra-II reaction buffer
1 µl	template DNA (1:10 dilution of p3)
0,5 µl	Pfu-Ultra-II Polymerase
40,5 µl	ddH2O

Digestion of PCR-Product with DpnI for 1h at 37°C.

Transformation of 10µl into component E.coli XL-1-blue, according to SOP (1h incubation at 37°C necessary despite AmpR).

PCR of Genesynthesis 3 and 4

Investigator: Luisa

Aim of Experiment: Amplification of Genesynthesis 3 (contains BAP and IGKappa) and 4 (contains A3C5-tag and BM40)

Procedure:

The PCR was performed according the SOP.

Reaction Mix:

volume	reagent
2,5 µl	Primer VF2
2,5 µl	Primer VR2
1 µl	dNTP-mix
10 µl	Q5 Polymerase reaction buffer
1 µl	template DNA (1:10 dilution of p3)
0,5 µl	Q5-Polymerase
18 µl	ddH2O

Setup: iGEM_standard (Promega-cycler)

temperature	time
98°C	2min
98°C	10sec
66°C	30sec
72°C	30sec
72°C	2min
4°C	hold

the batches were then purified using the Quiagen PCR-Purification Kit.

Analytical digestion and gelelectrophoresis of P88 , P89 and P90

Investigator: Niklas

Aim of experiment: Analytical digestion and gelelectrophoresis of P88 (pASK75 + Streptactin, former F58), P89 (CMV + CD4, former F65) and P90 (CMV + EGFR-signal-peptide, former F66)

Procedure:

Batches for analytical digestions:

P88: EcoRI

P89: EcoRI and PstI

P90: EcoRI

volume	reagent
5,8/2,3/1,8 µl	Plasmid DNA (P88/P89/P90)
1 µl	CutSmart buffer (10x)
0.5 µl	EcoRI-HF(10 U/µl)/ PstI
required amount for total volume of 10 µl	ddH2O

Ligation of F67 and F71, Transformation of E. coli XL1 blue afterwards

Investigator: Niklas

Aim of the experiment: Ligation of F67 (BirA) and F71 (empty pSB1C3), Transformation of E. coli XL1 blue afterwards.

Procedure:

volume	reagent
2,4 µl	Vektor
7,6 µl	Insert
2 µl	10X DNA-Ligase-buffer
1 µl	T4-Ligase
7 µl	ddH₂O
=20 µl	TOTAL

CaCl2 competent E. coli XL1-Blue cells were taken out of stock in -80 °C freezer and were gently thawed on ice.

7 µl of DNA was added to 100 µl of competent cells and gently mixed.

30 min incubation on ice

5 min. heat shock at 37 °C

Adding of 750 µl LB-medium to each tube.

Incubation for 1 hour at 37 °C

The cell suspension was plated on Cam-plates (inclusive rescue plate) and incubated over night at 37 °C in the cell-culture shaker.

next step: analytic digestion of transformation was successful

Digestion of PCR on genesynthesis 3 and 4, and pSB1C3

Investigator: Luisa

Aim of experiment: Division of Leptin, IGKappa, A3C5, BM40 and BAP using SapI, HindIII, XbaI, AgeI for both batches.

Procedure:

Batches for analytical digestions:

volume	reagent
1 µl each	enzyme (SapI, HindIII, XbaI, AgeI)
5 µl	CutSmart buffer (10x)
41 µl	DNA (purified PCR-products of GSY3 and 4)

Additionally 10µg of the vector P74 was digested with XbaI and AgeI in 100µl batch (2µl of each enzyme, 10µl of Cut-Smart buffer). Digestion was performed over night and purified via gelelectrophoresis and gelextraction according to the manufacturer's protocoll. --> Now labeled F80.

Analytical digestion and gelelectrophoresis of P80 , P78 and P85

Investigator: Julian

Aim of experiment: Analytical digestion and gelelectrophoresis of P80 (mRuby3), P78 (NanoLuc) and P85(Strep-Tag)

Procedure:

Batches for analytical digestions:

P80 and P78: EcoRI and AgeI

P85: EcoRI and NgoMIV

volume	reagent
10 µl	Plasmid DNA
32 µl	ddH2O
5 µl	CutSmart buffer (10x)
1.5 µl	each enzyme(10 U/µl)/ PstI
50 µl	TOTAL

File:Muc16 .JPG

Ligation of F75 (mRuby) and F76 (NanoLuc) into F74 (pSB1C3 with Strep-Tag) and Transformation into E. coli XL1 blue

Investigator: Luisa

Aim of the experiment: Ligation of F75 (mRuby) and F76 (NanoLuc) into F74 (pSB1C3+Strep-Tag), Transformation of E. coli XL1 blue afterwards.

Procedure:

volume	reagent
4,3µl(for F75), 8,2µl (for F76)	Vector
12,7µl (F75), 8,8 (F76)	Insert
2 µl	10X DNA-Ligase-buffer
1 µl	T4-Ligase
=20 µl	TOTAL

Ligation was incubated at RT for 1,5h.

CaCl2 competent E. coli XL1-Blue cells were taken out of stock in -80 °C freezer and were gently thawed on ice.

7 µl of DNA was added to 100 µl of competent cells and gently mixed.

15 min incubation on ice

5 min. heat shock at 37 °C

Adding of 950 µl LB-medium to each tube.

Incubation for 1 hour at 37 °C

The cell suspension was plated on Cam-plates (inclusive rescue plate) and incubated over night at 37 °C in the incubator.

Chemical biotinylation of BSA

Investigator: Niklas

Procedure:

BSA was chemically biotinylated with a 20x and 40x molar excess:

10 ml of 100 mM borate buffer with 50 mM NaCl (pH 8.85)

dissolve BSA (10 mg/ml)

Add biotin-NHS-ester: 20,5 mg for 40x molar excess

reaction over night

Team:LMU-TUM Munich/Labjournal

Labjournal

Samples

Transformation of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Miniprep of pTUM100 with pGAL, pTEF1, pTEF2, pADH and RFC25 compatible RFP generator

Sequencing of RFP-Generator (RFC25, pSB1C3)

Picking of of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Analytical digestion and gelelectrophoresis of RFP-generator (RFC25, pSB1C3, P4 & P5)

Sequencing of pTUM vectors with pGAL, pADH, pTEF1, pTEF2

Miniprep of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)

Analytical digestion and gelelectrophoresis of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3), P7 - P10

Transformation of E. coli XL1 blue with

Week 1, May 16th - May 22nd

Monday, May 16th

Streptavidin plasmids control

Streptavidin expression_trafo BL21

Tuesday, May 17th

SDS Gel Analysis

Minipreps pSb1C3-AviTag, -A3C5, pASK75-(SA1), -(SAm1)

Inoculation of pre-culture with BL21 (pASK75 (SA1)) in LB-medium

Wednesday, May 18th

Repetition of analytical gel of pSb1C3-AviTag, -A3C5

Inoculation of BL21 (pASK75 (SA1)) culture in 2 L TB-Medium and induction of streptavidin production by addition of tetracycline

Expression and harvest of Streptavidin (pASK75 (SA1)) in BL21 in TB-medium

Dialysis of eGFP

MiniPrep of quickchanged pNGAL146-A2

Sequencing of P14, P15 & P19

Digestion of P16, P17, P18 & P19 with AgeI & HindIII + analytical gel

Thursday, May 19th

Re-Sequencing of P19

Cloning of A3C5 and Avi-Tag into pSB1C3

Streptavidin refolding

Biotinylation of BSA

Friday, May 20th

Week 1, May 16th - May 22nd

Week 2 (May 23rd - May 29th

Week 3 (May 30th - June 5th

Week 4 (June 6th - June 12th)

Week 5 (June 13th - June 19th)

Week 6 (June 20th - June 26th)

Thursday, June 23rd

Miniprep of E. coli Xl1-Blue transformed with ligation product P80/81 (mRuby3 K1/2), P82/83 (EspP K1/2), P84/85 (StrepTag K1/2) and Trafo of K157001

Friday, June 24th

Analytical digestion and gelelectrophoresis of P83 (EspP K2) and P83 (StrepTag K2)

Sequencing of P80(mRuby3 K1), P83 (EspP K2) and P85 (StrepTag K2)

Transformation of E. coli XL1 blue with F64 (quickchanged P3(pSAm1))

Gelextraction of F67(BirA), F68(mRuby), F69(EGFR-TMD), F70(pSB1C3) and F71(pSB1C3)

Saturday, June 25th

Miniprep of E. coli Xl1-Blue transformed with P60 (mRuby/EGFR),F58 (Ligation pASK75 + Streptactin), F65 (CMV + CD4), F66 (CMV + EGFR), P70 (Short Linker)

Analytical digestion and gelelectrophoresis of F64 (quickchanged P3) for verification of succesful quickchange

Inoculation of colonies from Ligation of F69 + F70 (EGFR-TMD in pSB1C3)and F44 + F30 (mRuby in pSB1C3)

Sunday, June 26th

Miniprep of E. coli Xl1-Blue transformed with ligation product F44 + F30 (mRuby3 in pSB1C3), F66 + F70 (CMV+EGFR in pSB1C3)

Repetition of Quick-Change PCR of P3 (pASK + SAm1)

Transformation of E. coli XL1 blue with P94 (quickchanged P3(pSAm1))

Analytical digestion and gelelectrophoresis of P92 (mRuby), P93 (CMV + EGFR) and P94 (pASK75)

Week 7 (June 27th - July 3rd)

Monday, June 27th

Sequencing of P67 (EGFR-Signalpeptid)

Repetition of Quick-Change PCR of P3 (pASK + SAm1)

PCR of Genesynthesis 3 and 4

Analytical digestion and gelelectrophoresis of P88 , P89 and P90

Ligation of F67 and F71, Transformation of E. coli XL1 blue afterwards

Digestion of PCR on genesynthesis 3 and 4, and pSB1C3

Analytical digestion and gelelectrophoresis of P80 , P78 and P85

Ligation of F75 (mRuby) and F76 (NanoLuc) into F74 (pSB1C3 with Strep-Tag) and Transformation into E. coli XL1 blue

Chemical biotinylation of BSA

Tuesday, June 28th

Wednesday, June 29th