title: Enzymatically active component of macro-creatine kinase appears to be BB isoenzyme.
mesh_terms: D003402:Creatine Kinase / Q000097:blood / Q000302:isolation & purification*; D006801:Humans; D007527:Isoenzymes; D008970:Molecular Weight
chemical_list: D007527:Isoenzymes; D003402:Creatine Kinase