Alpha-N-Acetylglucosaminidase An enzyme with system name alpha-N-acetyl-D-glucosaminide N-acetylglucosaminohydrolase.[1][2][3][4] This enzyme catalyses the following chemical reaction: Hydrolysis of terminal non-reducing N-acetyl-D-glucosamine residues in N-acetyl-alpha-D-glucosaminides. Chemistry Wikipedia https://en.wikipedia.org/wiki/Alpha-N-acetylglucosaminidase ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables.