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Revision as of 04:57, 19 September 2015

BlcR, repressor of blcABC operon, with promoter and RBS

Usage and biology

BlcR, a gene of Agrobacterium tumefaciens, represses the blcABC-operon. The latter enables the bacterium to grow on γ-butyrolactone as carbon and energy source as depicted in the following figure(Pan et al. 2013).

catabolism of GBL in A. tumefaciens

The Blc-Operon and the catabolism of GBL in A. tumefaciens. GHB: γ-hydroxybutyrate; GBL: γ-butyrolactone; SSA: Succinic semialdehyde; SA: Succinate.


Characterization – BlcR function

We performed EMSA-shifts and verified: BlcR binds to the operator site described in Pan et al. 2013


Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    INCOMPATIBLE WITH RFC[12]
    Illegal NheI site found at 7
    Illegal NheI site found at 30
    Illegal NheI site found at 812
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal NgoMIV site found at 520
    Illegal NgoMIV site found at 761
  • 1000
    COMPATIBLE WITH RFC[1000]