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Comparative Study
. 1978 Jun 15;172(3):533-7.
doi: 10.1042/bj1720533.

The role of creatine kinase and arginine kinase in muscle

E A Newsholme, I Beis, A R Leech, V A Zammit
Comparative Study

The role of creatine kinase and arginine kinase in muscle

E A Newsholme et al. Biochem J. .

Abstract

Arginine and creatine kinase activities in different muscles are compared with calculated maximum rates of ATP turnover. The magnitude of the kinase activities decreases in the following order: anaerobic muscles and vertebrate skeletal muscles greater than heart muscle greater than insect flight muscle. The maximum activity of phosphagen kinases (i.e. creatine kinase and arginine kinase), in the direction of phosphagen formation, is lower than the calculated maximum rate of ATP turnover in insect flight muscle or rat heart.

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