Creatine kinase

Creatine-phosphocreatine interconversions are most important in cells that go back and forth ... and low levels of metabolic activity, such as in resting vs active muscle cells. Creatine kinase operates at near equilibrium making the net reaction very sensitive to metabolic flux. ...

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... reaction with regards to CK activity and the addition of pyruvate kinase and lactate dehydrogenase. Also how is the removal of NADH related to the Creatine Kinase activity? Any help would be great thanks. ATP + creatine <--(reversibly)--> ...

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... (i hope) the following type of enzyme is used in ox'dn/rd'n reactions -kinase -none are involved in oxidation/reduction reactions -isomerase -phosphatase ... any info. in my notes only the order it goes down in...eg: muscle atp...creatine phosphate...muscle glycogen to lactate etc etc...but how ...

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