| Ac-Angiotensinogen (1-14), human |
| Ac-Angiotensinogen (1-14), porcine |
| Ac-Calpastatin (184-210) (human) |
| Ac-Choline Receptor α1(129-145) |
| Ac-D-E |
| Ac-d-Endorphin (bovine, camel, mouse, ovine) |
| Ac-Endothelin-1 (16-21), human |
| Acetalin 1, Opioid Receptor Antagonist 1 |
| Acetalin 3, Opioid Receptor Antagonist 3 |
| Acetyl Hexapeptide-3 |
| Acetyl, a-Endorphin |
| Ac-g-Endorphin |
| Ac-Glutamine |
| Ac-GPK(Ac)-PNA |
| Ac-GPK-PNA |
| Ac-GRP (20-26) (human, porcine, canine) |
| Achatin-1 |
| Ac-Hirudin (55-65) (desulfated) |
| Ac-IEAR-PNA |
| Ac-IETD-PNA |
| Ac-LEHD-PNA |
| Ac-MBP (4-14) Peptide |
| Ac-Neurotrophin Receptor (368-381) amide (human) |
| Ac-PACAP-38 (human, mouse, ovine, porcine, rat) |
| Ac-Pepstatin |
| Ac-P-G-A |
| Ac-Phe-Gly-pNA |
| Ac-RYYRIK-NH2 |
| Ac-S-D-K-P |
| ACTH (1-10), human |
| ACTH (11-24) |
| ACTH (1-13), human |
| ACTH (1-14) |
| ACTH (1-16), human |
| ACTH (1-17), human |
| ACTH (12-39), rat |
| ACTH (1-24), human |
| ACTH (1-39) (guinea pig) |
| ACTH (1-39), rat |
| ACTH (1-4) |
| ACTH (18-39) (human) (Adrenocorticotropic Hormone) (Biotin) |
| ACTH (18-39), human |
| ACTH (22-39) |
| ACTH (3-24), human |
| ACTH (34-39) |
| ACTH (4-10), human |
| ACTH (4-11) |
| ACTH (4-9) |
| ACTH (6-24), human |
| ACTH (7- 38), human |
| ACTH(1-39),human |
| ACTH(4-9), Tyr |
| ACTH（5-10） |
| Activated Protein C (390-404) (human) |
| Activity - Dependent Neurotrophic Factor, ADNF |
| Activity-Dependent Neurotrophic Factor-14 |
| Ac-VEID-PNA |
| Acyl Carrier Protein (65-74) (acid) |
| Acyl Carrier Protein (65-74) (amide) |
| Ac-YVAD-PNA |
| Ac-β- Endorphin, bovine, camel, ovine |
| Ac-β-Endorphin (human) |
| Adipokinetic Hormone |
| Adipokinetic Hormone (Apis mellifera ligustica, Bombyx mori, Heliothis zea, Manduca sexta) |
| Adipokinetic Hormone Ⅱ from Schistocera gregaria |
| Adipokinetic Hormone II Locusta Migratoria |
| Adipokinetic Hormone, AKH, locust |
| Adipokinetic Hormone, G (AKH-G) |
| Adipophilin |
| ADP - Ribosylation Factor 6, ARF6 (2 - 13) |
| ADP-Ribosylation Factor 1, ARF1 (2 - 17) |
| ADR1 - derived peptide |
| Adrenomedullin (1- 52), porcine |
| Adrenomedullin (1-12), human |
| Adrenomedullin (11-50) (rat) |
| Adrenomedullin (13-52), human |
| Adrenomedullin (1-50), rat |
| Adrenomedullin (1-52), human |
| Adrenomedullin (16-31) (human, pig) |
| Adrenomedullin (22-52), human |
| Adrenomedullin (26-52) (human) |
| Adrenorphin |
| Adrenorphin, Free Acid |
| AF-1 |
| AF-2, nematode |
| A-F-A |
| A-G-D-V |
| AGRP (25-51) |
| AGRP (54-82) |
| AGRP (87-132), human |
| A-H-A |
| A-K-R-R-R-L-S-S-L-R-A |
| Akt Specific Substrate Peptide, Akt/PKB |
| AKT/PKB/Rac - Protein Kinase Substrate |
| A-L-A |
| A-L-A-L |
| Alarelin Acetate |
| Aldosterone Secretion Inhibiting Factor (1-35) (bovine) |
| Allatostatin I |
| Allatostatin I (free acid) |
