Selank is a synthetic heptapeptide analog of the endogenous tuftsin peptide with an added glycine-proline-lysine (Gly-Pro-Lys) sequence at the C-terminus. With the molecular formula C₄₆H₇₃N₁₃O₁₃ and a molecular weight of 1046.2 g/mol (CAS: 129954-34-3), Selank consists of seven amino acids: Thr-Lys-Pro-Arg-Pro-Gly-Pro.
Thr-Lys-Pro-Arg-Pro-Gly-Pro


