3.2.1.122 additional information not activated by NADH 678328 3.2.1.122 additional information requires a divalent metal ion, e.g. Mn2+ 646681, 646684 3.2.1.122 NAD+ - 646684, 666935, 678328 3.2.1.122 NAD+ cofactor, requirement 646684 3.2.1.122 NAD+ dependent on NAD+, the glycosidic bond hydrolysis is initiated by oxidation of the glucopyranose ring at the 3-position to a keto group by the NAD+ molecule bound to the active site 716009 3.2.1.122 NAD+ NAD+-dependent 646685, 646686 3.2.1.122 NADH requirement 646681