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[摘要]:Archaeal and eukaryotic RNAPs (DNA-dependent RNA polymerases) are complex multi-subunit enzymes. Two of the subunits, F and E, which together form the F/E complex, have been hypothesized to associate with RNAP in a reversible manner during the transcription cycle. We have characterized the molecular interactions between the F/E complex and the RNAP core. F/E binds to RNAP with submicromolar affinity and is not in a dynamic exchange with unbound F/E. |
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