| 1 | Dynorphin, Big   (Porcine) | 
     | 2 | Dynorphin   A (Porcine) | 
     | 3 | Dynorphin   A 1-6 (Porcine) | 
     | 4 | Dynorphin   A 1-13 (Porcine) | 
     | 5 | Dynorphin   A 2-13 (Porcine) | 
     | 6 | Dynorphin   A 2-17 (Porcine) | 
     | 7 | Dynorphin   B/Rimorphin (Porcine) | 
     | 8 | Endorphin,   Alpha-Neo (Porcine) | 
     | 9 | Endorphin,   Beta-Neo | 
     | 10 | Nociceptin/Orphanin   FQ (Ox, Mouse, Rat, Human) | 
     | 11 | Nocistatin-35   (Rat) | 
     | 12 | Orphanin   FG/Nociceptin [Prepro (141-157)] | 
     | 13 | [Phe=Gly]-Orphanin   FQ/Nociceptin 1-13-NH2 | 
     | 14 | Orphanin   FQ (1-13)-NH2 | 
     | 15 | Nocistatin/PNP-3   (Bovine) | 
     | 16 | Nocistatin-30   (Human) | 
     | 17 | PNP-3-8P   (Bovine) | 
     | 18 | Nocistaitn-41   (Mouse)/PNP-2/3 (Mouse) | 
     | 19 | Pro-Orphanin   FQ (154-181) (Rat) | 
     | 20 | Amidorphin   (Proenkephalin A 104-129-NH2) (Bovine) | 
     | 21 | BAM-18P | 
     | 22 | BAM-22P   (Bovine) | 
     | 23 | CTOP   (Somatostatin Analog ) | 
     | 24 | CTAP | 
     | 25 | DAGO | 
     | 26 | Enkephalin,   [D-Ala2,D-Leu5] | 
     | 27 | Enkephalin,   [D-Pen2,5] | 
     | 28 | Leu-Enkephalin | 
     | 29 | Delta-Receptor   Peptide | 
     | 30 | DTLET | 
     | 31 | Met-Enkephalin | 
     | 32 | [Des-Tyr1]-Met-Enkephalin | 
     | 33 | Enkephalin-Arg,   Met | 
     | 34 | Met-Enkephalin-Arg-Phe | 
     | 35 | Adrenorphin   (Metorphinamide) | 
     | 36 | 3200-dalton   Adrenal Peptide E (Bovine) | 
     | 37 | Thiorphan | 
     | 38 | Spinorphin   (Bovine) | 
     | 39 | Kyotorphin | 
     | 40 | Morphiceptin | 
     | 41 | Morphiceptin,   [N-MePhe3,D-Pro4] (PLO 17) | 
     | 42 | Endomorphin-1,   (Tyr-Pro-Trp-Phe-NH2) | 
     | 43 | Endomorphin-2,   (Tyr-Pro-Phe-Phe-NH2) | 
     | 44 | Deltorphin   (Dermenkephalin ) (Phylomedusa sauvagei) | 
     | 45 | Deltorphin   I, [D-Ala2] | 
     | 46 | Deltorphin   II, [D-Ala2]Dermaseptin | 
     | 47 | Hemorphin-4   (H-4) (Bovine, Human) | 
     | 48 | TIPP | 
     | 49 | MIF-1,Tyr-Trp | 
     | 50 | MIF-1,   Tyr | 
     | 51 | Casomorphin   1-5, Beta | 
     | 52 | Endorphin   1-26, Ac-Beta (Human) | 
     | 53 | Endorphin,   Beta (Human) | 
     | 54 | Endorphin,   (2-31) Beta (Human) | 
     | 55 | Endorphin   1-26, Beta (Human) | 
     | 56 | Endorphin   1-27, Beta (Human) | 
     | 57 | Endorphin,   Beta (Rat) | 
     | 58 | Endorphin,   Gamma (Beta-Lipotropin 61-77) |