Part:BBa_K3610022
FKBP
The FK506 binding protein, or FKBP, is a protein belonging to the immunophilin family and has proven to be a useful tool in biological research. Functionally, the protein is a peptidyl-prolyl cis-trans isomerase (PPI).
Responsible for its prominent role in research is the ability of FKBP to bind to rapamycin, an antifungal antibiotic macrolide. What makes this interaction interesting is the fact that rapamycin binds to FKBP and the FKBP–rapamycin binding (FRB) domain of the mammalian target of rapamycin (mTOR) simultaneously, inducing a dimerization of these two components. These properties of FKBP and FRB have been exploited for conditional dimerization of proteins of interest, which offers many possibilities to artificially manipulate cellular processes, by fusing them to FKBP and FRB.
Usage
FKBP can be used for many dimerization experiments, like the dimerization of split reporter proteins (e.g.: the LargeBit and SmallBit proteins from the NanoLuc luciferase).
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21COMPATIBLE WITH RFC[21]
- 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000COMPATIBLE WITH RFC[1000]
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