Thymosin beta-4 is a protein that in humans is encoded by the TMSB4X gene. Recommended INN for thymosin beta-4 is 'timbetasin', as published by the World Health Organization.
The protein consists of 43 amino acids and has a molecular weight of 4921 g/mol.
Thymosin-β₄ is a major cellular constituent in many tissues. Its intracellular concentration may reach as high as 0.5 mM. From Wikipedia
