1los | pdb_00001los

crystal structure of orotidine monophosphate decarboxylase mutant deltaR203A complexed with 6-azaUMP

spinqualitylabelsall models 1los, resolution 1.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1los is a 4 chain structure with sequence from Methanothermobacter thermautotrophicus str. delta h. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: UP6 Related: 1lol, 1loq, 1lor, 1lp6 Activity: Orotidine-5'-phosphate decarboxylase, with EC number 4.1.1.23 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 The crystal structures of the enzyme orotidine-5'-monophosphate decarboxylase from Methanobacterium thermoautotrophicum complexed with its product UMP and the inhibitors 6-hydroxyuridine 5'-phosphate (BMP), XMP, and CMP are reported. A mutant version of the protein, in which four residues of the flexible phosphate-binding loop (180)Gly-Gly(190) were removed and Arg(203) was replaced by alanine, was also analyzed. The XMP and CMP complexes reveal a ligand-binding mode that is distinct from the one identified previously with the aromatic rings located outside the binding pocket. A potential pathway for ligand binding is discussed. Crystal structures of inhibitor complexes reveal an alternate binding mode in orotidine-5'-monophosphate decarboxylase.,Wu N, Pai EF J Biol Chem. 2002 Aug 2;277(31):28080-7. Epub 2002 May 13. PMID:12011084 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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