Team:Hong Kong HKUST/tourDebug

pTet Module



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Promoter, Repressor and Inducer Specification


pTet promoter
  • Promoter name: pTet (Tet repressible promoter)
  • Length: 54 base pairs
  • Strength with:
    • Weak RBS (BBa_B0032): 5.6 - 517.5 (+17) RPU
    • Medium RBS (BBa_B0030): 25.5 - 2323.1 (+259.5) RPU
    • Strong RBS (BBa_B0034): 39.6 - 4041.5 (+247.8) RPU
  • Repressor name: TetR (Tet repressor)
  • Part Length: 685 base pairs
  • Structure: Homodimer of alpha-helices
  • Binding affinity: To pTet, very light, 0-1 µl/ml has been shown to cause a 5 order of magnitude change in fluorescent protein production
  • Inducer name: ATc (Anhydrotetracycline)
  • Binding Affinity: (to TetR) Ka ~ 109 M-1
  • Effective range: 250 - 25000 ng/ml

Mechanism of pTet - TetR - ATc Interaction