Orcokinin-2 Orcokinin-1 Orcoquinin Myotropic peptides (By similarity). 69 Orcokinin-3(1-11) MSFFYSSAYAADKRNFDEIDRSGFNSFIKKKKNFDEIDRSGFDGFVKRNFDEIDRVGFGSFIKKSEPHH Orcokinin peptides Orcokinin-2(1-12) Orcokinin-3 Orcokinin-1(1-10) ORCK_RHOPR