Ac-Ser-Asp-Lys-Pro-Asp-Met- Ala -Glu-Ile-Glu- Lys- Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln- Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu- Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH