kinases that phosphorylate creatine , 3-phosphoglycerate , and acetate did not exhibit atpase activities in the presence of keto or aldehyde analogues ( n-methylhydantoic acid , d-glyceraldehyde 3-phosphate , and acetaldehyde , respectively ) , possibly because of the absence of an acid-base catalytic group in the latter two cases .
C0001992
aldehyde
C0000966
acetaldehyde