2aig

ADAMALYSIN II WITH PEPTIDOMIMETIC INHIBITOR POL647

spinqualitylabelsall models 2aig, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2aig is a 1 chain structure with sequence from Crotalus adamanteus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 0GR, CA, SO4, ZN NonStd Res: PGA Activity: Adamalysin, with EC number 3.4.24.46 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT 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 Crotalus adamanteus snake venom adamalysin II is the structural prototype of the adamalysin or ADAM family comprising proteolytic domains of snake venom metalloproteinases, multimodular mammalian reproductive tract proteins, and tumor necrosis factor alpha convertase, TACE, involved in the release of the inflammatory cytokine, TNFalpha. The structure of adamalysin II in noncovalent complex with two small-molecule right-hand side peptidomimetic inhibitors (Pol 647 and Pol 656) has been solved using X-ray diffraction data up to 2.6 and 2.8 A resolution. The inhibitors bind to the S'-side of the proteinase, inserting between two protein segments, establishing a mixed parallel-antiparallel three-stranded beta-sheet and coordinate the central zinc ion in a bidentate manner via their two C-terminal oxygen atoms. The proteinase-inhibitor complexes are described in detail and are compared with other known structures. An adamalysin-based model of the active site of TACE reveals that these small molecules would probably fit into the active site cleft of this latter metalloproteinase, providing a starting model for the rational design of TACE inhibitors. Structures of adamalysin II with peptidic inhibitors. Implications for the design of tumor necrosis factor alpha convertase inhibitors.,Gomis-Ruth FX, Meyer EF, Kress LF, Politi V Protein Sci. 1998 Feb;7(2):283-92. PMID:9521103 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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