Kisspeptin-10 is a decapeptide — a chain of ten amino acids — with the sequence Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH₂. It is the shortest bioactive fragment of the kisspeptin-54 protein, which is encoded by the KISS1 gene, first identified in 1996 at Pennsylvania State University. The peptide has the molecular formula C₆₃H₈₃N₁₇O₁₄, a molecular weight of 1302.45 g/mol, and CAS number 374675-21-5. The C-terminal…
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Selank is a synthetic heptapeptide based on tuftsin, a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) found as a fragment of the immunoglobulin G heavy chain. First described in the late 1990s, it extends tuftsin with a Pro-Gly-Pro tripeptide tail to resist enzymatic breakdown. The compound has the molecular formula C33H57N11O9, a weight of 751.87 g/mol, and CAS number 129954-34-3. Also designated TP-7,…
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TB-500 is the synthetic form of Thymosin Beta-4, a 43-amino-acid peptide first isolated from calf thymus tissue in the 1960s. It has the molecular formula C212H350N56O78S, a molecular weight of 4,963.4 g/mol, and is identified by CAS number 77591-33-4. The peptide is notable for containing a central actin-binding domain — a region structurally complementary to actin, a major structural protein…
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