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

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

Opioid Receptor

Neuroscience, Endocrinology/Hormones, GPCR/G Protein

76529

C139H217N33O40S

3022.47

C([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CC1=CC=CC=C1)NC(CNC(CNC([C@H](CC2=CC=C(O)C=C2)N)=O)=O)=O)=O)CCSC)=O)[C@@H](C)O)=O)CO)=O)CCC(O)=O)=O)CCCCN)=O)CO)=O)CCC(N)=O)=O)[C@@H](C)O)(=O)N3[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](CC4=CC=CC=C4)C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](CC5=CC=C(O)C=C5)C(O)=O)=O)C)=O)CC(N)=O)=O)CCCCN)=O)[C@H](CC)C)=O)[C@H](CC)C)=O)C)=O)CC(N)=O)=O)CCCCN)=O)=O)CC(C)C)=O)[C@@H](C)O)=O)C(C)C)=O)CC(C)C)=O)CCC3

-20°C

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Peptide