Dynorphin A (Prodynorphin (207-223) (human),Prodynorphin (209-225) (porcine)) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln Biotinyl-Dynorphin A Biotin-Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln Dynorphin A amide Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln-NH2 Dynorphin A (1-12) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu Dynorphin A (1-11) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys Dynorphin A (1-13) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys [D-Ala2]-Dynorphin A (1-13) amide Tyr-D-Ala-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-NH2 [D-Arg6]-Dynorphin A (1-13) Tyr-Gly-Gly-Phe-Leu-D-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys [D-Arg8]-Dynorphin A (1-13) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-D-Arg-Arg-Pro-Lys-Leu-Lys Dynorphin A (1-10) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro Dynorphin A (1-10) amide Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-NH2 Dynorphin A (1-9) Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg