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We present genome-wide occupancy profiles for RNA polymerase (Pol) II, its phosphorylated forms and transcription factors in proliferating yeast. Pol II exchanges initiation factors for elongation factors during a 5' transition that is completed 150 nucleotides downstream of the transcription start site (TSS). The resulting elongation complex is composed of(More)
To initiate gene transcription, RNA polymerase II (Pol II) requires the transcription factor IIB (B). Here we present the crystal structure of the complete Pol II-B complex at 4.3 A resolution, and complementary functional data. The results indicate the mechanism of transcription initiation, including the transition to RNA elongation. Promoter DNA is(More)
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