we determined the urinary excretion of the enzymes aminopeptidase ( ec 3.4.11.2 ) , alkaline phosphatase ( ec 3.1.3.1 ) , gamma-glutamyltransferase ( ec 2.3.2.2 ) , and n-acetyl-beta-glucosaminidase ( ec 3.2.1.30 ) in two groups of renal-transplant recipients at different times after transplantation ( 1.8 months and 52 months , respectively ) .
C0002059
alkaline phosphatase
C0020289
ec