Gamma-glutamyltransferase
CLASS OF ENZYMES
GGTP; Gamma-GT; Gamma glutamyl transferase; G-glutamyltransferase; Gamma GT; Gamma-glutamyl transferase; Gamma glutamyl transpeptidase; U-GTP; EC 2.3.2.2; Glutamyl transpeptidase; (5-L-glutamyl)-peptide:amino-acid 5-glutamyltransferase; Gamma-glutamyl transpeptidase; Γ-Glutamyltransferase; Glutamyltransferase; Χ-Glutamyl transpeptidase; Χ-glutamyl transpeptidase; GGT test
Gamma-glutamyltransferase (also γ-glutamyltransferase, GGT, gamma-GT, gamma-glutamyl transpeptidase; ) is a transferase (a type of enzyme) that catalyzes the transfer of gamma-glutamyl functional groups from molecules such as glutathione to an acceptor that may be an amino acid, a peptide or water (forming glutamate). GGT plays a key role in the gamma-glutamyl cycle, a pathway for the synthesis and degradation of glutathione as well as drug and xenobiotic detoxification.