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来自维基百科,自由的百科全书
核醣體的A位點(英語:A-site,A for aminoacyl)是蛋白質轉譯過程中帶有胺基酸的tRNA分子的結合位點。[1]A位點是tRNA在蛋白質合成過程中結合的第一個位點,另外兩個位點是P位點(peptidyl)和E位點(exit)。
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