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Glycosyl hydrolases are key enzymes of carbohydrate metabolism. Family 31 comprises of enzymes that are, or similar to, alpha- galactosidases. This entry represents the 3rd beta sandwich domain.
This entry represents the first of three common domains found in Glycosyl hydrolase 31 family proteins. It has a galactose mutarotase superfamily fold.
This entry represents a C-terminal domain of approximately 70 residues found in glycoside hydrolase family 31 (GH31) enzymes. The domain is found in both bacteria and eukaryotes, including Bacteroidota, Bacillota, Pseudomonadota and fungi. It occurs ...
This entry represents a C-terminal domain of approximately 70 residues found in glycoside hydrolase family 31 (GH31) enzymes. The domain is found in both bacteria and eukaryotes, including Bacteroidota, Bacillota, Pseudomonadota and fungi. It occurs downstream of the GH31 catalytic TIM barrel domain (Pfam:PF01055) and the proximal C-terminal domain (Pfam:PF21365). GH31 enzymes containing this domain include alpha-xylosidases involved in xyloglucan saccharification [1], alpha-glucosidases, and glucosidase II alpha subunits. In Saccharomyces cerevisiae, the glucosidase II alpha subunit ROT2 (Swiss:P38138) cleaves the two innermost alpha-1,3-linked glucose residues from the oligosaccharide precursor of immature glycoproteins in the endoplasmic reticulum (EC:3.2.1.207) [3]. Structural studies of the Chaetomium thermophilum glucosidase II alpha subunit show that the distal C-terminal domain stabilises the catalytic beta8-alpha8 barrel domain [2].
Glycosyl hydrolases are key enzymes of carbohydrate metabolism. Family 31 comprises of enzymes that are, or similar to, alpha- galactosidases. This entry corresponds to the second domain of family 31 enzymes and adopts a TIM-barrel fold.