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单词 Transcription preinitiation complex
释义

Transcription preinitiation complex

英语百科

Transcription preinitiation complex

The preinitiation complex (abbreviated PIC) is a large complex of proteins that is necessary for the transcription of protein-coding genes in eukaryotes and archaea. The preinitiation complex helps position RNA polymerase II over gene transcription start sites, denatures the DNA, and positions the DNA in the RNA polymerase II active site for transcription.

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更新时间:2025/6/18 20:10:42