Titin（肌联蛋白）是目前已知的最大的蛋白质，它的分子量为2700kDa（25,000多个氨基端），长度为1μm，约占肌节的一半，是高度弹性分子。根据IUPAC（国际理论和应用化学联合会）命名规则，该肌联蛋白的名字足足有189819个字母，是名副其实最大的单词……

一个坐在那啥事都不干快速读完也要读3个多少时。

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