Description_x000D_ General description_x000D_ Myokinase is an enzyme that can be found in skeletal muscle and acts as a phosphotransferase agitator._x000D_ Application_x000D_ Myokinase has been used in a study to assess its reaction with the mercurials p-hydroxymercuribenzoate and p-mercuribenzenesulfonate. It has also been used in a study to investigate the ligand-binding properties of its peptide fragments._x000D_ Biochem/physiol Actions_x000D_ Myokinase is a key enzyme involved with adenine nucleotide metabolism. The action of myokinase insures that the adenine nucleotides (ATP, ADP, and AMP) are maintained in equilibrium in the cytosol._x000D_ Myokinase catalyzes the following reaction:ADP + ADP → ATP + AMP_x000D_ Rabbit muscle myokinase can be inactivated by treatment with dithiobis-(2-nitrobenzoic) acid which alters methionine residues critical to myokinase activity._x000D_ Unit Definition_x000D_ One unit will convert 2.0 μmoles of ADP to ATP+AMP per min at pH 7.6 at 37°C._x000D_ Physical form_x000D_ Suspension in 3.2 M (NH4)2SO4 solution containing 0.001 M EDTA, pH 6.0