O

Octaneuropeptide

H-Arg-Pro-Gly-Leu-Leu-Asp-Leu-Lys-OH
C41H74N12O11, M.W.: 911.1

Octreotide Acetate

H-D-Phe-Cys-Phe-D-Trp-Lys-Thr-Cys-Thr-OL(Cys2-Cys7)
C49H66N10O10S2, M.W.: 1019.2

Opioid receptor antagonist

Ac-Arg-Phe-Met-Trp-Met-Lys-NH2
C44H66N12O7S2, M.W.: 939.2

Orexin A, bovine, human, mouse, rat

pGlu-Pro-Leu-Pro-Asp-Cys-Cys-Arg-Gln-Lys-Thr-Cys-Ser-Cys-Arg-Leu-Tyr-Glu-Leu-Leu-His-Gly-Ala-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Leu-NH2(Cys6-Cys12, Cys7-Cys14)
C152H243N47O44S4, M.W.: 3561.19

Orexin B, canine

H-Arg-Pro-Gly-Pro-Pro-Gly-Leu-Gln-Gly-Arg-Leu-Gln-Arg-Leu-Leu-Gln-Ala-Ser-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Met-NH2
C125H214N44O34S1, M.W.: 2909.44

Orexin B, human

H-Arg-Ser-Gly-Pro-Pro-Gly-Leu-Gln-Gly-Arg-Leu-Gln-Arg-Leu-Leu-Gln-Ala-Ser-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Met-NH2
C123H212N44O35S1, M.W.: 2899.4

Orexin B, rat, mouse

H-Arg-Pro-Gly-Pro-Pro-Gly-Leu-Gln-Gly-Arg-Leu-Gln-Arg- Leu-Leu-Gln-Ala-Asn-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Met-NH2
C126H215N45O34S1, M.W.: 2936.46

Orphanin FQ, (Nociceptin)

H-Phe-Gly-Gly-Phe-Thr-Gly-Ala-Arg-Lys-Ser-Ala-Arg-Lys-Leu-Ala-Asn-Gln-OH
C79H129N27O22, M.W.: 1809.1

OVA 323-339

H-Ile-Ser-Gln-Ala-Val-His-Ala-Ala-His-Ala-Glu-Ile-Asn-Glu-Ala-Gly-Arg-OH
C74H120N26O25, M.W.: 1773.92

OVA peptide (257-264)

H-Ser-Ile-Ile-Asn-Phe-Glu-Lys-Leu-OH
C45H74N10O13, M.W.: 963.1

Oxytocin

H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2(Cys1-Cys6)
C43H66N12O12S2, M.W.: 1007.21