4ckt | pdb_00004ckt

PIH1 N-terminal domain

spinqualitylabelsall models 4ckt, resolution 3.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4ckt is a 4 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MSE, SEP Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [PIHD1_MOUSE] Publication Abstract from PubMed Client protein recruitment to the Hsp90 system depends on cochaperones that bind the client and Hsp90 simultaneously and facilitate their interaction. Hsp90 involvement in the assembly of snoRNPs, RNA polymerases, PI3-kinase-like kinases, and chromatin remodeling complexes depends on the TTT (Tel2-Tti1-Tti2), and R2TP complexes-consisting of the AAA-ATPases Rvb1 and Rvb2, Tah1 (Spagh/RPAP3 in metazoa), and Pih1 (Pih1D1 in humans)-that together provide the connection to Hsp90. The biochemistry underlying R2TP function is still poorly understood. Pih1 in particular, at the heart of the complex, has not been described at a structural level, nor have the multiple protein-protein interactions it mediates been characterized. Here we present a structural and biochemical analysis of Hsp90-Tah1-Pih1, Hsp90-Spagh, and Pih1D1-Tel2 complexes that reveal a domain in Pih1D1 specific for binding CK2 phosphorylation sites, and together define the structural basis by which the R2TP complex connects the Hsp90 chaperone system to the TTT complex. Structural Basis for Phosphorylation-Dependent Recruitment of Tel2 to Hsp90 by Pih1.,Pal M, Morgan M, Phelps SE, Roe SM, Parry-Morris S, Downs JA, Polier S, Pearl LH, Prodromou C Structure. 2014 Apr 30. pii: S0969-2126(14)00105-1. doi:, 10.1016/j.str.2014.04.001. PMID:24794838 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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