α-Conotoxin AuIB - CAS 216299-21-7

Selective antagonist of α3β4 nicotinic acetylcholine receptors. Displays > 100-fold selectivity over other receptor subunit combinations including α2β2, α2β4, α3β2, α4β2, α4β4 and α1β1γδ.

AChR

Neuroscience

216271

C65H89N17O21S4

1572.76

O=C1[C@]2(N(C(=O)[C@H](CC3=CC=C(O)C=C3)NC(=O)[C@H](CO)NC(=O)[C@]4(NC(=O)[C@@H](NC(CN)=O)CSSC[C@](NC(=O)[C@]5(N1CCC5)[H])(C(=O)N[C@@H](CC6=CC=CC=C6)C(=O)N[C@@H](C)C(=O)N[C@@]([C@@H](C)O)(C(=O)N[C@@H](CC(N)=O)C(=O)N7[C@](C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(N)=O)CSSC4)(CCC7)[H])[H])[H])[H])CCC2)[H]

-20°C

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Peptide