Your body produces the enzyme creatine kinase (CK) or creatine phosphokinase to keep your muscles functioning properly. Healthcare providers use the CK test to check levels of this protein in your ...

What Is Thymidine Kinase 2 Deficiency (TK2d)? Thymidine kinase 2 deficiency (TK2d) mainly causes muscle weakness – it’s a very rare mitochondrial disease. Mitochondria are tiny organ-like ...

What regulates protein kinase activity during cell division? Interestingly, protein kinases phosphorylate each other as well as act on common targets. Aa Aa Aa The cell cycle allows faithful ...

All the ERBB receptors except ERBB2 have known ligands, and all except ERBB3 have relatively active kinase domains. Although ERBB2 is minimally active in ligand binding, it is the preferred ...