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TB-500 is a synthetic fragment of thymosin beta-4 corresponding to its actin-binding domain. Preclinical research explores its roles in cell migration, actin regulation, and tissue repair processes.
TB-500: This is a shorter, man-made chain of only 7 amino acids. It is made in a lab to be easier to produce while keeping the main healing power of TB4.
TB4 Thymosin Beta-4 is a naturally occurring 43-amino acid peptide that serves as the primary actin-sequestering protein in most mammalian cells. Preclinical research in animal and in vitro models investigates its involvement in cell migration, wound repair mechanisms, and tissue regeneration processes.
| Product | TB-500 |
| CAS Number | 885340-08-9 |
| Molecular Formula | C38H68N10O14 |
| Molar Mass | 889.02 g/mol |
| Sequence | Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln |
| Synonyms | TB-500; Thymosin Beta-4 fragment; Ac-LKKTETQ |
| Purity | ≥99% (HPLC) |
| Form | Lyophilized powder |
| Storage | −20°C (−4°F) long-term; 2–8°C (36–46°F) reconstituted |
| Solubility | Bacteriostatic water for laboratory use |
