Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa.
Specificity
Natural and recombinant Human Creatine kinase U-type, mitochondrial
Subcellular Location
Mitochondrion inner membrane Peripheral membrane protein Intermembrane side