5cw5

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Structure of CfBRCC36-CfKIAA0157 complex (QSQ mutant)Structure of CfBRCC36-CfKIAA0157 complex (QSQ mutant)

Structural highlights

5cw5 is a 4 chain structure with sequence from Camponotus floridanus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.736Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

BRCC3_CAMFO Metalloprotease that specifically cleaves 'Lys-63'-linked polyubiquitin chains, leaving the last ubiquitin chain attached to its substrates. Catalytic subunit of the BRISC complex; does not have activity by itself, but needs to be associated into a heterotetramer with ABRAXAS2 for minimal in vitro activity (PubMed:26344097). Plays a role in regulating the onset of apoptosis via its role in modulating 'Lys-63'-linked ubiquitination of target proteins (By similarity). Required for normal mitotic spindle assembly and microtubule attachment to kinetochores via its role in deubiquitinating spindle assembly factors (By similarity).[UniProtKB:Q15018][UniProtKB:Q3TCJ1][1]

References

  1. Zeqiraj E, Tian L, Piggott CA, Pillon MC, Duffy NM, Ceccarelli DF, Keszei AF, Lorenzen K, Kurinov I, Orlicky S, Gish GD, Heck AJ, Guarne A, Greenberg RA, Sicheri F. Higher-Order Assembly of BRCC36-KIAA0157 Is Required for DUB Activity and Biological Function. Mol Cell. 2015 Sep 17;59(6):970-83. doi: 10.1016/j.molcel.2015.07.028. Epub 2015 , Sep 3. PMID:26344097 doi:http://dx.doi.org/10.1016/j.molcel.2015.07.028

5cw5, resolution 2.74Å

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OCA