3dcr | pdb_00003dcr

X-ray structure of HIV-1 protease and hydrated form of ketomethylene isostere inhibitor

spinqualitylabelsall models 3dcr, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3dcr is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: KVS NonStd Res: ABA, NLE, YCM Related: 3dck Activity: HIV-1 retropepsin, with EC number 3.4.23.16 Resources: FirstGlance, OCA, PDBe, 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 Here we report the X-ray structures of chemically synthesized HIV-1 protease and the inactive [D25N]HIV-1 protease complexed with the ketomethylene isostere inhibitor Ac-Thr-Ile-Nle psi[CO-CH(2)]Nle-Gln-Arg.amide at 1.4 and 1.8A resolution, respectively. In complex with the active enzyme, the keto-group was found to be converted into the hydrated gem-diol, while the structure of the complex with the inactive D25N enzyme revealed an intact keto-group. These data support the general acid-general base mechanism for HIV-1 protease catalysis. Crystal structure of chemically synthesized HIV-1 protease and a ketomethylene isostere inhibitor based on the p2/NC cleavage site.,Torbeev VY, Mandal K, Terechko VA, Kent SB Bioorg Med Chem Lett. 2008 Aug 15;18(16):4554-7. Epub 2008 Jul 15. PMID:18657969 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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