2rfh | pdb_00002rfh

Crystal Structure Analysis of CPA-2-benzyl-3-nitropropanoic acid complex

spinqualitylabelsall models 2rfh, resolution 1.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2rfh is a 1 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 23N, ZN Activity: Carboxypeptidase A, with EC number 3.4.17.1 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 2-Substituted 3-nitropropanoic acids were designed and synthesized as inhibitors against carboxypeptidase A (CPA). (R)-2-Benzyl- 3-nitropropanoic acid showed a potent inhibition against CPA (K(i)=0.15 microM). X-ray crystallography discloses that the nitro group well mimics the transition state occurred in the hydrolysis catalyzed by CPA, that is, an O,O'-bidentate coordination to the zinc ion and the two respective hydrogen bonds with Glu-270 and Arg-127. Because the nitro group is a planar species, we proposed (R)-2-benzyl-3-nitropropanoic acid as a pseudo-transition-state analog inhibitor against CPA. Nitro as a novel zinc-binding group in the inhibition of carboxypeptidase A.,Wang SH, Wang SF, Xuan W, Zeng ZH, Jin JY, Ma J, Tian GR Bioorg Med Chem. 2008 Apr 1;16(7):3596-601. Epub 2008 Feb 8. PMID:18289863 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Carboxypeptidase

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