ω-Agatoxin IVA结构式
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常用名 | ω-Agatoxin IVA | 英文名 | ω-Agatoxin IVa trifluoroacetate salt |
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CAS号 | 145017-83-0 | 分子量 | N/A | |
密度 | N/A | 沸点 | N/A | |
分子式 | C217H360N68O60S10 | 熔点 | N/A | |
MSDS | 美版 | 闪点 | N/A |
ω-Agatoxin IVA用途ω-Agatoxin IVA 是一种有效的选择性 P/Q型 Ca2+ 通道阻滞剂,对于 P 型和 Q 型 Ca2+ 通道,IC50 分别为 2 nM 和 90 nM。ω-Agatoxin IVA (IC50,30-225 nM) 抑制高钾引起的谷氨酸胞吐作用和钙流入。ω-Agatoxin IVA 还可以阻止高钾诱导的 5-羟色胺和去甲肾上腺素的释放,对 L 型或 N 型钙通道没有影响。 |
中文名 | OMEGA-漏斗网蛛毒素 IVA |
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英文名 | ω-Agatoxin IVA |
描述 | ω-Agatoxin IVA 是一种有效的选择性 P/Q型 Ca2+ 通道阻滞剂,对于 P 型和 Q 型 Ca2+ 通道,IC50 分别为 2 nM 和 90 nM。ω-Agatoxin IVA (IC50,30-225 nM) 抑制高钾引起的谷氨酸胞吐作用和钙流入。ω-Agatoxin IVA 还可以阻止高钾诱导的 5-羟色胺和去甲肾上腺素的释放,对 L 型或 N 型钙通道没有影响。 |
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相关类别 | |
靶点 |
IC50: 2 nM (P-type Ca2+ channels), 90 nM (Q-type Ca2+ channels)[1] |
参考文献 |
分子式 | C217H360N68O60S10 |
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储存条件 | -20°C,密封,干燥,惰性气体 |
危险品运输编码 | NONH for all modes of transport |
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P-type calcium channels blocked by the spider toxin omega-Aga-IVA.
Nature 355 , 827-829, (1992) Voltage-dependent calcium channels mediate calcium entry into neurons, which is crucial for many processes in the brain including synaptic transmission, dendritic spiking, gene expression and cell dea... |
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P-type calcium channels in rat central and peripheral neurons.
Neuron 9 , 85-95, (1992) The peptide toxin omega-Aga-IVA blocked P-type Ca2+ channel current in rat Purkinje neurons (KD approximately 2 nM) but had no effect on identified T-type, L-type, or N-type currents in a variety of c... |
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Calcium channels coupled to glutamate release identified by omega-Aga-IVA.
Science 258 , 310-313, (1992) Presynaptic calcium channels are crucial elements of neuronal excitation-secretion coupling. In mammalian brain, they have been difficult to characterize because most presynaptic terminals are too sma... |