
The RNA polymerase bridge helix YFI motif in catalysis, fidelity and translocation
Keywords: Ec, Escherichia coli; Sc, Saccharomyces cerevisiae; Mj, Methanocaldococcus jannaschii; Tt, Thermus thermophilus; exonuclease III, Exo III; GMPcPP, α,β-methylene guanosine triphosphate; NTP, nucleoside triphosphate; PPi, pyrophosphate (diphosphate); RNAP,