Translational_Unit

Part:BBa_K4951072:Design

Designed by: Julia Vu   Group: iGEM23_Stanford   (2023-10-11)


pTwist Amp Med Copy mStayGold + LacZ - Insert (Switch)


Assembly Compatibility:
  • 10
    INCOMPATIBLE WITH RFC[10]
    Illegal EcoRI site found at 263
    Illegal EcoRI site found at 955
    Illegal XbaI site found at 236
    Illegal PstI site found at 224
  • 12
    INCOMPATIBLE WITH RFC[12]
    Illegal EcoRI site found at 263
    Illegal EcoRI site found at 955
    Illegal PstI site found at 224
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal EcoRI site found at 263
    Illegal EcoRI site found at 955
    Illegal BamHI site found at 242
  • 23
    INCOMPATIBLE WITH RFC[23]
    Illegal EcoRI site found at 263
    Illegal EcoRI site found at 955
    Illegal XbaI site found at 236
    Illegal PstI site found at 224
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal EcoRI site found at 263
    Illegal EcoRI site found at 955
    Illegal XbaI site found at 236
    Illegal PstI site found at 224
  • 1000
    INCOMPATIBLE WITH RFC[1000]
    Illegal SapI site found at 608
    Illegal SapI.rc site found at 23


Design Notes

The insert was ordered in a pTwist backbone with an AmpR selection marker from Twist Biosciences. The medium copy origin of replication is intended to minimize the metabolic strain on the cells when cotransformed with BBa_K4951070 for switch testing purposes. mStayGold was chosen to serve as a reporter because of its exceptionally high fluorescent signal. The LacZ operon is intended to allow for the switch plasmid to be inducible.

The mStayGold gene is driven by a T7 promoter and a strong RBS, retrieved from Dr. Nils Averesch. The insert has contains 11 random basepairs between the promoter and the RBS and 7 basepairs of spacing between the RBS and the open reading frame. We received advice and guidance from Dr. Alex Engel and Dr. Nils Averesch regarding the design of this plasmid.


Source

This plasmid insert was ordered from Twist Biosciences into a pTwist backbone.

References