3eqa | pdb_00003eqa

Catalytic domain of glucoamylase from aspergillus niger complexed with tris and glycerol

spinqualitylabelsall models 3eqa, resolution 1.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3eqa is a 1 chain structure with sequence from Aspergillus niger. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: BMA, GOL, MAN, TRS, NAG Activity: Glucan 1,4-alpha-glucosidase, with EC number 3.2.1.3 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 Glucoamylase from Aspergillus niger is an industrially important biocatalyst that is utilized in the mass production of glucose from raw starch or soluble oligosaccharides. The G1 isoform consists of a catalytic domain and a starch-binding domain connected by a heavily glycosylated linker region. The amino-terminal catalytic domain of the G1 isoform generated by subtilisin cleavage has been crystallized at pH 8.5, which is a significantly higher pH condition than used for previously characterized glucoamylase crystals. The refined structure at 1.9 A resolution reveals the active site of the enzyme in complex with both Tris and glycerol molecules. The ligands display both unique and analogous interactions with the substrate-binding site when compared with previous structures of homologous enzymes bound to inhibitors. Structure of the catalytic domain of glucoamylase from Aspergillus niger.,Lee J, Paetzel M Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Feb 1;67(Pt, 2):188-92. Epub 2011 Jan 21. PMID:21301084 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Alpha-glucosidase 3D structures

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