1jop

YHCH protein (HI0227)

spinqualitylabelsall models 1jop, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1jop is a 4 chain structure with sequence from "bacterium_influenzae"_lehmann_and_neumann_1896 "bacterium influenzae" lehmann and neumann 1896. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: HG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The yhcH gene is part of the nan operon in bacteria that encodes proteins involved in sialic acid catabolism. Determination of the crystal structure of YhcH from Haemophilus influenzae was undertaken as part of a structural genomics effort in order to assist with the functional assignment of the protein. The structure was determined at 2.2-A resolution by multiple-wavelength anomalous diffraction. The protein fold is a variation of the double-stranded beta-helix. Two antiparallel beta-sheets form a funnel opened at one side, where a putative active site contains a copper ion coordinated to the side chains of two histidine and two carboxylic acid residues. A comparison to other proteins with a similar fold and analysis of the genomic context suggested that YhcH may be a sugar isomerase involved in processing of exogenous sialic acid. Crystal structure of the bacterial YhcH protein indicates a role in sialic acid catabolism.,Teplyakov A, Obmolova G, Toedt J, Galperin MY, Gilliland GL J Bacteriol. 2005 Aug;187(16):5520-7. PMID:16077096 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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