The Structural Basis and Functional Consequences of Interactions Between Tetrodotoxin and Voltage-Gated Sodium Channels

The Structural Basis and Functional Consequences of Interactions Between Tetrodotoxin and Voltage-Gated Sodium Channels
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河豚毒素与电压门控钠通道相互作用的结构基础和功能后果

DOI:
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发表时间:
2006
期刊:
影响因子:
5.4
通讯作者:
P. Ruben
P. Ruben
中科院分区:
医学2区
文献类型:
--
作者:
S. Geffeney;P. Ruben

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河豚毒素(TTX)是一种高度特异性的电压门控钠通道阻滞剂。阻断的解离常数随不同的通道亚型而变化。直到最近,通道抗性被认为主要由结构域I中单个位置的氨基酸取代赋予。最近的工作揭示了一个新的网站河豚毒素抗性的P-区的结构域IV。
Tetrodotoxin (TTX) is a highly specific blocker of voltage-gated sodium channels. The dissociation constant of block varies with different channel isoforms. Until recently, channel resistance was thought to be primarily imparted by amino acid substitutions at a single position in domain I. Recent work reveals a novel site for tetrodotoxin resistance in the P-region of domain IV.
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