RNA polymerase II holoenzyme from Saccharomyces cerevisiae

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Transferase other than ribonuclease

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530350, 530371, 536 2374, 536 232, 536 241, C12N 912, C12N 1554, C12N 1531

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059225858

ABSTRACT:
An RNA polymerase II holoenzyme that contains, in addition to RNA polymerase, a subset of the general transcription factors together with nine SRB proteins is described. This holoenzyme will selectively initiate transcription in vitro when supplemented with TATA-binding protein (TBP) and factor a (TFIIE). The SRB proteins act positively and negatively to regulate transcription initiation, at least in part, via functional interactions with RNA polymerase II.

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