Amino acid sequences of B1 and B2 BK receptor ligands
| Ligand | Sequence1-a |
|---|---|
| Agonists | |
| BK | Arg - Pro - Pro - Gly - Phe - Ser - Pro - Phe - Arg |
| desArg9BK | Arg - Pro - Pro - Gly - Phe - Ser - Pro - Phe |
| desArg10Lys-BK | Lys - Arg - Pro - Pro - Gly - Phe - Ser - Pro - Phe |
| Lys-BK | Lys - Arg - Pro - Pro - Gly - Phe - Ser - Pro - Phe - Arg |
| Antagonists | |
| NPC17731 | D -Arg - Arg - Pro - Hyp - Gly - Phe - Ser - X - Oic - Arg |
| NPC18565 | D -Arg - Arg - Pro - Hyp - Gly - Phe - Ser - X - Oic |
| desArg10[Leu9]Lys-BK | Lys - Arg - Pro - Pro - Gly - Phe - Ser - Pro - Leu |
↵1-a Oic is L-[(3aS,7aS)-octahydroindol-2-yl-carbonyl]; X, D-Hype(trans-propyl).