Beta-primeverosidase

beta-primeverosidase
Identifiers
EC number 3.2.1.149
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO

In enzymology, a beta-primeverosidase (EC 3.2.1.149) is an enzyme that catalyzes the chemical reaction

a 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside + H2O 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose + an alcohol

Thus, the two substrates of this enzyme are 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside and H2O, whereas its two products are 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose and alcohol.

This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside 6-O-(beta-D-xylosyl)-beta-D-glucohydrolase.

References

    • Nagata T; Sakata K (1998). "Characterization of beta-primeverosidase, being concerned with alcoholic aroma formation in tea leaves to be processed into black tea, and preliminary observations on its substrate specificity". J. Agric. Food Chem. 46 (5): 1712&ndash, 1718. doi:10.1021/jf970576g.
    • Tong Q; Sakata K (1997). "Purification of a beta-primeverosidase concerned with alcoholic aroma formation in tea leaves (cv. Shuxian) to be processed to oolong tea". J. Agric. Food Chem. 45 (3): 877&ndash, 882. doi:10.1021/jf960543l.
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