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利用 3次阳离子层析法从江西产银环蛇毒中分离得到 2个相对分子质量均为 6 50 0的K -神经毒素 进一步证实了K -神经毒素是银环蛇毒的基本成分 K -神经毒素是目前唯一的可用于烟碱受体分型的工具 它可高效地识别α3β2 亚型的神经元烟碱乙酰胆碱受体
Two K - neurotoxins with relative molecular mass of 6 50 0 were isolated from the silver snake venom in Jiangxi by 3 times of cation chromatography. It was further confirmed that K - neurotoxin was the basic component of the snakebite. K - neurotoxin was The only tool currently available for nicotine receptor typing that efficiently identifies the neuronal nicotinic acetylcholine receptor of the α3β2 subtype