Description
Thymosin β-4 is an N-terminally acetylated 43-residue peptide (residues 2–44 of the human TMSB4X gene product, UniProt P62328) and a G-actin-binding peptide. The lot COA identifies this material by mass spectrometry as synthetic thymosin β-4. It was previously listed on this store as TB-500.
Specifications
- Sequence: Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
- Molecular formula: C212H350N56O78S
- Molecular weight: 4963.44 g/mol (free peptide; lot supplied as the acetate salt per COA)
- CAS: 77591-33-4
- Purity: 99.44% (HPLC)
- Form: 10 mg lyophilized powder, sealed vial
- Storage: −20°C, lyophilized; keep dry and protected from light. Stability: 24 months as a lyophilized solid.
Quality documentation
A lot-specific certificate of analysis (COA) is provided for this product.




