2m6n

Structural highlights

Function

FBX5_HUMAN Regulates progression through early mitosis by inhibiting the anaphase promoting complex/cyclosome (APC). Binds to the APC activators CDC20 and FZR1/CDH1 to prevent APC activation. Can also bind directly to the APC to inhibit substrate-binding.^{[1] [2]}

References

1. ↑ Hsu JY, Reimann JD, Sorensen CS, Lukas J, Jackson PK. E2F-dependent accumulation of hEmi1 regulates S phase entry by inhibiting APC(Cdh1). Nat Cell Biol. 2002 May;4(5):358-66. PMID:11988738 doi:10.1038/ncb785
2. ↑ Miller JJ, Summers MK, Hansen DV, Nachury MV, Lehman NL, Loktev A, Jackson PK. Emi1 stably binds and inhibits the anaphase-promoting complex/cyclosome as a pseudosubstrate inhibitor. Genes Dev. 2006 Sep 1;20(17):2410-20. Epub 2006 Aug 18. PMID:16921029 doi:gad.1454006