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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Transcriptional coactivator cAMP response element binding protein mediates induction of the human proliferating cell nuclear antigen promoter by the adenovirus E1A oncoprotein
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Transcriptional coactivator cAMP response element binding protein mediates induction of the human proliferating cell nuclear antigen promoter by the adenovirus E1A oncoprotein

机译:转录共激活因子cAMP反应元件结合蛋白介导腺病毒E1A癌蛋白诱导人增殖细胞核抗原启动子

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摘要

The proliferating cell nuclear antigen (PCNA), a crucial component of eukaryotic cell cycle and DNA replication complexes, is induced by the adenovirus E1A 243R oncoprotein through a cis-acting element termed the PERE (PCNA-E1A responsive element). The PERE contains a se- quence homologous to an activating transcription factor (ATF) motif, and ATF-1 is a major component of PERE- protein complexes. We have identified a second PERE-binding protein, the cAMP response element binding protein (CREB) transcription factor, which forms heterodimers with ATF-1 at this site.
机译:腺病毒E1A 243R癌蛋白通过称为PERE的顺式作用元件(PCNA-E1A响应元件)诱导了增殖细胞核抗原(PCNA),它是真核细胞周期和DNA复制复合物的重要组成部分。 PERE包含与激活转录因子(ATF)基序同源的序列,而ATF-1是PERE蛋白复合物的主要成分。我们已经鉴定出第二个PERE结合蛋白,即cAMP反应元件结合蛋白(CREB)转录因子,它在该位点与ATF-1形成异二聚体。

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