6m55 | pdb_00006m55

Crystal structure of the E496A mutant of HsBglA in complex with 4-galactosyllactose

spinqualitylabelsall models 6m55, resolution 3.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6m55 is a 2 chain structure with sequence from Hamamotoa singularis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3Å Ligands: GAL, GLC, MAN, NAG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q564N5_9BASI Publication Abstract from PubMed A GH1 beta-glucosidase from the fungus Hamamotoa singularis (HsBglA) has high transgalactosylation activity and efficiently converts lactose to galactooligosaccharides. Consequently, HsBglA is among the most widely used enzymes for industrial galactooligosaccharide production. Here, we present the first crystal structures of HsBglA with and without 4'-galactosyllactose, a tri-galactooligosaccharide, at 3.0 and 2.1 A resolutions, respectively. These structures reveal details of the structural elements that define the catalytic activity and substrate binding of HsBglA, and provide a possible interpretation for its high catalytic potency for transgalactosylation reaction. Crystal structure of a GH1 beta-glucosidase from Hamamotoa singularis.,Uehara R, Iwamoto R, Aoki S, Yoshizawa T, Takano K, Matsumura H, Tanaka SI Protein Sci. 2020 Jul 26. doi: 10.1002/pro.3916. PMID:32713015 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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