1gvg | pdb_00001gvg

CRYSTAL STRUCTURE OF CLAVAMINATE SYNTHASE WITH NITRIC OXIDE

spinqualitylabelsall models 1gvg, resolution 1.54Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1gvg is a 1 chain structure with sequence from Streptomyces clavuligerus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: AKG, FE, HOA, PCX, SO4 Related: 1drt, 1dry, 1ds0, 1ds1 Activity: Clavaminate synthase, with EC number 1.14.11.21 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 Clavaminate synthase (CAS), a 2-oxoglutarate (2OG) dependent dioxygenase, catalyses three steps in the biosynthesis of clavulanic acid. Crystals of CAS complexed with Fe(II), 2OG and deoxyguanidinoproclavaminate were exposed to nitric oxide (NO) acting as a dioxygen analogue. Prior to exposure with NO, the active site Fe(II) is octahedrally coordinated by a water molecule, the 2-oxo and 1-carboxylate groups of 2OG, and the side-chains of an aspartyl and two histidinyl residues. NO binds to the position previously occupied by the 2OG 1-carboxylate concomitant with rearrangement of the latter to the position previously occupied by the displaced water. Crystal structure of a clavaminate synthase-Fe(II)-2-oxoglutarate-substrate-NO complex: evidence for metal centered rearrangements.,Zhang Z, Ren J, Harlos K, McKinnon CH, Clifton IJ, Schofield CJ FEBS Lett. 2002 Apr 24;517(1-3):7-12. PMID:12062399 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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