β-Endorphin (1-27) (human) [CAS 76622-84-9]

β-Endorphin (1-27) (human) is an opioid antagonist that binds μ-, δ-, and κ-opioid receptors with Kis of 5.31, 6.17, and 39.82 nM, respectively. β-Endorphin (1-27) (human) inhibits β-Endorphin -induced and etorphine-induced analgesia[1][2].

[76622-84-9]

C139H217N33O40S

3022.47

O=C(NCC(NCC(N[C@@H](CC1=CC=CC=C1)C(N[C@@H](CCSC)C(N[C@@H]([C@H](O)C)C(N[C@@H](CO)C(N[C@@H](CCC(O)=O)C(N[C@@H](CCCCN)C(N[C@@H](CO)C(N[C@@H](CCC(N)=O)C(N[C@@H]([C@H](O)C)C(N2[C@@H](CCC2)C(N[C@@H](CC(C)C)C(N[C@@H](C(C)C)C(N[C@@H]([C@H](O)C)C(N[C@@H](CC(C)C)C(N[C@@H](CC3=CC=CC=C3)C(N[C@@H](CCCCN)C(N[C@@H](CC(N)=O)C(N[C@@H](C)C(N[C@@H]([C@@H](C)CC)C(N[C@@H]([C@@H](C)CC)C(N[C@@H](CCCCN)C(N[C@@H](CC(N)=O)C(N[C@@H](C)C(N[C@@H](CC4=CC=C(C=C4)O)C(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC5=CC=C(C=C5)O)N

Opioid Receptor

10 mM in DMSO

Room temperature