首页> 外文期刊>Molecular and Cellular Biology >Synergy between the NF-E1 erythroid-specific transcription factor and the CACCC factor in the erythroid-specific promoter of the human porphobilinogen deaminase gene.
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Synergy between the NF-E1 erythroid-specific transcription factor and the CACCC factor in the erythroid-specific promoter of the human porphobilinogen deaminase gene.

机译:人卟啉胆原原脱氨酶基因的红系特异性启动子中的NF-E1红系特异性转录因子和CACCC因子之间的协同作用。

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摘要

A 114-base-pair promoter fragment of the human porphobilinogen deaminase gene functioned in an erythroid-specific manner in transient transfection experiments. Site-directed mutagenesis of the binding site for the erythroid-specific transcription factor (NF-E1) or an adjacent CACCC motif abolished the promoter activity. Increasing the spacing between these sites progressively reduced promoter activity, but there was no evidence that a critical alignment of the two factors on the DNA helix was required.
机译:在短暂的转染实验中,人血胆色素原脱氨酶基因的114个碱基对的启动子片段以类红细胞特异性的方式起作用。红细胞特异性转录因子(NF-E1)或相邻的CACCC基序的结合位点的定点诱变消除了启动子的活性。增加这些位点之间的间隔会逐渐降低启动子活性,但是没有证据表明需要对DNA螺旋上的两个因子进行严格的比对。

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