utilizing the backward ck-catalyzed reaction of creatine phosphate + adp in equilibrium creatine + atp , km values for heart and skeletal muscle ck mm ( 3.7 mmol/l ) were significantly ( p less than 0.05 ) greater than ck mb ( 2.1 mmol/l ) which were significantly ( p less than 0.05 ) greater than mitochondrial ck ( 1.8 mmol/l ) at variable creatine phosphate and fixed adp concentrations .
C0010287
ck
C0010291
ck mm