TB 500 is a synthetic version of the active domain of Thymosin Beta-4 (Tβ4), a naturally occurring protein found in high concentrations in almost all human and animal cells.
TB 500 peptide is a synthetic peptide derived from the active site of naturally occurring peptide thymosin beta-4 (Tβ4), specifically the sequence LKKTETQ, with an artificial acetylation at the N-terminus.
