4uvk | pdb_00004uvk

Cohesin subunit Scc3 from Z. rouxii, 88-1035

spinqualitylabelsall models 4uvk, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4uvk is a 1 chain structure with sequence from Zygosaccharomyces rouxii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.6Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function C5DWM3_ZYGRC Publication Abstract from PubMed Sister chromatid cohesion involves entrapment of sister DNAs by a cohesin ring created through association of a kleisin subunit (Scc1) with ATPase heads of Smc1/Smc3 heterodimers. Cohesin's association with chromatin involves subunits recruited by Scc1: Wapl, Pds5, and Scc3/SA, in addition to Scc2/4 loading complex. Unlike Pds5, Wapl, and Scc2/4, Scc3s are encoded by all eukaryotic genomes. Here, a crystal structure of Scc3 reveals a hook-shaped protein composed of tandem alpha helices. Its N-terminal domain contains a conserved and essential surface (CES) present even in organisms lacking Pds5, Wapl, and Scc2/4, while its C-terminal domain binds a section of the kleisin Scc1. Scc3 turns over in G2/M while maintaining cohesin's association with chromosomes and it promotes de-acetylation of Smc3 upon Scc1 cleavage. Structure and function of cohesin's Scc3/SA regulatory subunit.,Roig MB, Lowe J, Chan KL, Beckouet F, Metson J, Nasmyth K FEBS Lett. 2014 Aug 27. pii: S0014-5793(14)00617-6. doi:, 10.1016/j.febslet.2014.08.015. PMID:25171859 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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