<p>O-Glycosyl hydrolases <db_xref db="EC" dbkey="3.2.1."/> are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycosyl hydrolases, based on sequence similarity, has led to the definition of 85 different families [<cite idref="PUB00004870"/>, <cite idref="PUB00005266"/>]. This classification is available on the CAZy (CArbohydrate-Active EnZymes) web site.</p><p>Glycoside hydrolase family 1 <db_xref db="CAZY" dbkey="GH1"/> comprises enzymes with a number of known activities; beta-glucosidase (<db_xref db="EC" dbkey="3.2.1.21"/>); beta-galactosidase (<db_xref db="EC" dbkey="3.2.1.23"/>); 6-phospho-beta-galactosidase (<db_xref db="EC" dbkey="3.2.1.85"/>); 6-phospho-beta-glucosidase (<db_xref db="EC" dbkey="3.2.1.86"/>); lactase-phlorizin hydrolase (<db_xref db="EC" dbkey="3.2.1.62"/>), (<db_xref db="EC" dbkey="3.2.1.108"/>); beta-mannosidase (<db_xref db="EC" dbkey="3.2.1.25"/>); myrosinase (<db_xref db="EC" dbkey="3.2.1.147"/>). </p><p>This enzyme represents beta-glucosidase, which catalyses the hydrolysis of terminal, non-reducing beta-D-glucose residues with release of beta-D-glucose [<cite idref="PUB00023608"/>, <cite idref="PUB00042935"/>]. It has a wide substrate specificity for beta-D-glucosides.</p> Glycoside hydrolase, family 1, beta-glucosidase