H-Ser-Val-Ser-Glu-Ile-Gln-Leu-Met-His-Asn-Leu-Gly-Lys-His-Leu-Asn-Ser-Met-Glu-Arg-Val-cyclo(-Glu-Trp-Leu-Arg-Lys)-Leu-Leu-Gln-Asp-Val-NH2 (cyclized between γ-Glu²² and ε-Lys²⁶)