Orn8, Urotensin II, human

1971-1-1

Glu-Thr-Pro-Asp-Cys-Phe-Trp-Orn-Tyr-Cys-Val(Cys5&Cys10 bridge)

Urotensin I

1971-1-2

Asn-Asp-Asp-Pro-Pro-Ile-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Asn-Met-Ile-Glu-Met-Ala-Arg-Ile-Glu-Asn-Glu-Arg-Glu-Gln-Ala-Gly-Leu-Asn-Arg-Lys-Tyr-Leu-Asp-Glu-Val-NH2

Urotensin II , goby

1971-1-3

Ala-Gly-Thr-Ala-Asp-Cys-Phe-Trp-Lys-Tyr-Cys-Val(Cys6&Cys11 bridge)

Urotensin II , human

1971-1-4

Glu-Thr-Pro-Asp-Cys-Phe-Trp-Lys-Tyr-Cys-Val(Cys6&Cys22 bridge)