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Ａｇｎｏｒ(核仁形成区嗜银蛋白 )是一种相对分子量为 10 0 0 0 0的酸性非组蛋白 ,其本质是ＲＮＡ聚合酶的亚单位 ,在ｒＤＮＡ转录活性中起重要调控作用。Ａｇｎｏｒ含量高低可以反映细胞ｒＤ ＮＡ转录活性水平 ,显示细胞功能状态。Ａｇｎｏｒ最早主要被遗传学家用于某些遗传性
Agnor (nucleolus-forming region AgNOR) is an acidic non-histone with a relative molecular weight of 1000, which is essentially a subunit of RNA polymerase and plays an important regulatory role in the transcriptional activity of rDNA. The level of Agnor can reflect the level of cellular rD NA transcription activity, showing the state of cell function. Agnor was first used by geneticists for certain hereditary