RNA polymerase holoenzyme complex

GTFs and RNA polymerase with promoters—or in one step by the recognition of the promoter by a preformed GTF-RNA polymerase holoenzyme complex. 

Figure 29.5 RNA polymerase holoenzyme complex. Notice that the a subunit (orange) of the bacterial RNA polymerase holoenzyme makes sequence-specific contacts with the -10 and - 5 promoter sequences (yellow). [From K. S. Murakami, S. Masuda. E. A. Campbell. 0. Muzzin, and S, A. Darst. Science 296 2002) 1285-1290.]...

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