6req | pdb_00006req

METHYLMALONYL-COA MUTASE, 3-CARBOXYPROPYL-COA INHIBITOR COMPLEX

spinqualitylabelsall models 6req, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6req is a 4 chain structure with sequence from Propionibacterium freudenreichii subsp. shermanii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 3CP, B12, GOL Gene: MUTB (Propionibacterium freudenreichii subsp. shermanii), MUTA (Propionibacterium freudenreichii subsp. shermanii) Activity: Methylmalonyl-CoA mutase, with EC number 5.4.99.2 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 X-ray crystal structures of methylmalonyl-CoA mutase in complexes with substrate methylmalonyl-CoA and inhibitors 2-carboxypropyl-CoA and 3-carboxypropyl-CoA (substrate and product analogues) show that the enzyme-substrate interactions change little during the course of the rearrangement reaction, in contrast to the large conformational change on substrate binding. The substrate complex shows a 5'-deoxyadenine molecule in the active site, bound weakly and not attached to the cobalt atom of coenzyme B12, rotated and shifted from its position in the substrate-free adenosylcobalamin complex. The position of Tyralpha89 close to the substrate explains the stereochemical selectivity of the enzyme for (2R)-methylmalonyl-CoA. Crystal structure of substrate complexes of methylmalonyl-CoA mutase.,Mancia F, Smith GA, Evans PR Biochemistry. 1999 Jun 22;38(25):7999-8005. PMID:10387043 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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