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5 天
鼠工呼吸?研究人员惊讶发现 老鼠会为昏迷同伴“口对口急救”
(纽约5日讯)美国南加州大学(University of Southern ...
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14 天
Val9-Oxytocin;1021701-88-1;CYIQNCPLV
Val9-Oxytocin 是一种九肽,由九个氨基酸残基通过肽键连接而成。其中两个半胱氨酸残基通过二硫键形成一个六元环结构,这是其结构的重要特征,对维持多肽的空间构象和生物活性起着关键作用 。整个分子的氨基酸序列决定了其二级和三级结构,不同氨基酸的侧 ...
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