Decorsin, Leech (AA: Ala-Pro-Arg-Leu-Pro-Gln-Cys-Gln-Gly-Asp-Asp-Gln-Glu-Lys-Cys-Leu-Cys-Asn-Lys-Asp-Glu-Cys-Pro-Pro-Gly-Gln-Cys-Arg-Phe-Pro-Arg-Gly-Asp-Ala-Asp-Pro-Tyr-Cys-Glu) (MW: 4383.87)