α-Conotoxin AuIB TFA 是一种有效的选择性 α3β4 烟碱乙酰胆碱受体 (nAChR) 拮抗剂，α-Conotoxin AuIB 阻断非洲爪蟾卵母细胞中表达的 α3β4 nAChRs，IC50 为 0.75 μM。
α-Conotoxin AuIB TFA, a potent and selective α3β4 nicotinic acetylcholine receptor (nAChR) antagonist, blocks α3β4 nAChRs expressed in Xenopus oocytes with an IC50 of 0.75 μM[1].
α-Conotoxin AuIB blocks the α3β4 receptor with >100-fold higher potency than other receptor subunit combinations, including α2β2, α2β4, α3β2, α4β2, α4β4, and α1β1γδ[1].
[1]. Siqin Luo, et al. α-Conotoxin AuIB Selectively Blocks α3β4 Nicotinic Acetylcholine Receptors and Nicotine-Evoked Norepinephrine Release.Journal of Neuroscience. 1998 Nov 1, 18 (21): 8571-8579.
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