the three enzymes , na/k-atpase , glyceraldehyde-3-phosphate dehydrogenase and nadh-ferricyanide reductase , were found not to change with age , but significant age-dependent decreases were observed in the cases of acetylcholinesterase , phosphoglycerate kinase , purine nucleoside phosphorylase , adenylate kinase , mg-atpase and alkaline phosphatase .
C0001479
na/k-atpase
C0001473
atpase