1con | pdb_00001con

THE REFINED STRUCTURE OF CADMIUM SUBSTITUTED CONCANAVALIN A AT 2.0 ANGSTROMS RESOLUTION

spinqualitylabelsall models 1con, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1con is a 1 chain structure with sequence from Canen. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CA, CD Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Function [CONA_CANEN] D-mannose specific lectin. 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 three-dimensional structure of cadmium-substituted concanavalin A has been refined using X-PLOR. The R factor on all data between 8 and 2 A is 17.1%. The protein crystallizes in space group I222 with cell dimensions a = 88.7, b = 86.5 and c = 62.5 A and has one protein subunit per asymmetric unit. The final structure contains 237 amino acids, two Cd ions, one Ca ion and 144 water molecules. One Cd ion occupies the transition-metal binding site and the second occupies an additional site, the coordinates of which were first reported by Weinzierl & Kalb [FEBS Lett. (1971), 18, 268-270]. The additional Cd ion is bound with distorted octahedral symmetry and bridges the cleft between the two monomers which form the conventional dimer of concanavalin A. This study provides a detailed analysis of the refined structure of saccharide-free concanavalin A and is the basis for comparison with saccharide complexes reported elsewhere. Refined structure of cadmium-substituted concanavalin A at 2.0 A resolution.,Naismith JH, Habash J, Harrop S, Helliwell JR, Hunter WN, Wan TC, Weisgerber S, Kalb AJ, Yariv J Acta Crystallogr D Biol Crystallogr. 1993 Nov 1;49(Pt 6):561-71. PMID:15299493 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Concanavalin A

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