2ux8

Crystal Structure of Sphingomonas elodea ATCC 31461 Glucose-1- phosphate uridylyltransferase in Complex with glucose-1-phosphate.

spinqualitylabelsall models 2ux8, resolution 2.65Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2ux8 is a 8 chain structure with sequence from "pseudomonas_elodea"_kang_et_al._1982 "pseudomonas elodea" kang et al. 1982. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: G1P Activity: UTP--glucose-1-phosphate uridylyltransferase, with EC number 2.7.7.9 Resources: FirstGlance, OCA, RCSB, PDBsum 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 Gellan gum is a widely used commercial material, available in many different forms. Its economic importance has led to studies into the biosynthesis of exopolysaccharide gellan gum, which is industrially prepared in high yields using Sphingomonas elodea ATCC 31461. Glucose-1-phosphate uridylyltransferase mediates the reversible conversion of glucose-1-phosphate and UTP into UDP-glucose and pyrophosphate, which is a key step in the biosynthetic pathway of gellan gums. Here we present the X-ray crystal structure of the glucose-1-phosphate uridylyltransferase from S. elodea. The S. elodea enzyme shares strong monomeric similarity with glucose-1-phosphate thymidylyltransferase, several structures of which are known, although the quaternary structures of the active enzymes are rather different. A detailed comparison between S. elodea glucose-1-phosphate uridylyltransferase and available thymidylyltransferases is described and shows remarkable structural similarities, despite the low sequence identities between the two divergent groups of proteins. The complex of Sphingomonas elodea ATCC 31461 glucose-1-phosphate uridylyltransferase with glucose-1-phosphate reveals a novel quaternary structure, unique among nucleoside diphosphate-sugar pyrophosphorylase members.,Aragao D, Fialho AM, Marques AR, Mitchell EP, Sa-Correia I, Frazao C J Bacteriol. 2007 Jun;189(12):4520-8. Epub 2007 Apr 13. PMID:17434970 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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