3gbe | pdb_00003gbe

Crystal structure of the isomaltulose synthase SmuA from Protaminobacter rubrum in complex with the inhibitor deoxynojirimycin

spinqualitylabelsall models 3gbe, resolution 1.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3gbe is a 1 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: EDO, FLC, NOJ Related: 3gbd Activity: Isomaltulose synthase, with EC number 5.4.99.11 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 The healthy sweetener isomaltulose is industrially produced from the conversion of sucrose by the sucrose isomerase SmuA from Protaminobacter rubrum. Crystal structures of SmuA in native and deoxynojirimycin complexed forms completed with modeling studies unravel the characteristics of the isomaltulose synthases catalytic pocket and their substrate binding mode. Comparison with the trehalulose synthase MutB highlights the role of Arg(298) and Arg(306) active site residues and surface charges in controlling product specificity of sucrose isomerases (isomaltulose versus trehalulose). The results provide a rationale for the specific design of optimized enzymes. Structural determinants of product specificity of sucrose isomerases.,Ravaud S, Robert X, Watzlawick H, Haser R, Mattes R, Aghajari N FEBS Lett. 2009 Jun 18;583(12):1964-8. Epub 2009 May 8. PMID:19427862 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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