3vue | pdb_00003vue

Crystal Structure of Rice Granule bound Starch Synthase I Catalytic Domain

spinqualitylabelsall models 3vue, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3vue is a 1 chain structure with sequence from Japanese rice. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: SO4 Related: 3vuf Gene: WAXY, WX, WX-B, Os06g0133000, LOC_Os06g04200, 134P10.7, P0679C08.19 (Japanese rice) Activity: NDP-glucose--starch glucosyltransferase, with EC number 2.4.1.242 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [SSG1_ORYSJ] Required for the synthesis of amylose in endosperm.[HAMAP-Rule:MF_00484] Publication Abstract from PubMed The catalytic domain of rice (Oryza sativa japonica) granule bound starch synthase I (OsGBSSI-CD) was overexpressed and the three-dimensional structures of the ligand-free and ADP-bound forms were determined. The structures were similar to those reported for bacterial and archaeal glycogen synthases, which belong to glycosyltransferase family 5. They had Rossmann fold N- and C-domains connected by canonical two-hinge peptides, and an interdomain disulfide bond that appears to be conserved in the Poaceae plant family. The presence of three covalent linkages might explain why both OsGBSSI-CD structures adopted only the closed domain arrangement. Interdomain Disulfide Bridge in the Rice Granule Bound Starch Synthase I Catalytic Domain as Elucidated by X-Ray Structure Analysis.,Momma M, Fujimoto Z Biosci Biotechnol Biochem. 2012 Aug 7. PMID:22878205 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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