4u6b | pdb_00004u6b

Zg3597, a family 117 glycoside hydrolase, produced by the marine bacterium Zobellia galactanivorans

spinqualitylabelsall models 4u6b, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4u6b is a 4 chain structure with sequence from Zobellia galactanivorans. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.3Å Ligands: ACY, CA, EDO, NA, PEG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function F0V1E1_ZOBGA Publication Abstract from PubMed The family 117 glycoside hydrolase (GH117) enzymes have exo-alpha-1,3-(3,6-anhydro)-L-galactosidase activity, removing terminal nonreducing alpha-1,3-linked 3,6-anhydro-L-galactose residues from their red algal neoagarose substrate. These enzymes have previously been phylogenetically divided into clades, and only the clade A enzymes have been experimentally studied to date. The investigation of two GH117 enzymes, Zg3615 and Zg3597, produced by the marine bacterium Zobellia galactanivorans reveals structural, biochemical and further phylogenetic diversity between clades. A product complex with the unusual beta-3,6-anhydro-L-galactose residue sheds light on the inverting catalytic mechanism of the GH117 enzymes as well as the structure of this unique sugar produced by hydrolysis of the agarophyte red algal cell wall. Biochemical and structural investigation of two paralogous glycoside hydrolases from Zobellia galactanivorans: novel insights into the evolution, dimerization plasticity and catalytic mechanism of the GH117 family.,Ficko-Blean E, Duffieux D, Rebuffet E, Larocque R, Groisillier A, Michel G, Czjzek M Acta Crystallogr D Biol Crystallogr. 2015 Feb;71(Pt 2):209-23. doi:, 10.1107/S1399004714025024. Epub 2015 Jan 23. PMID:25664732 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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