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. Author manuscript; available in PMC: 2019 Jul 9.
Published in final edited form as: Nature. 2019 Jan 9;565(7739):382–385. doi: 10.1038/s41586-018-0840-5

Figure 2 |. Protein/transcription bubble interactions.

Figure 2 |

DNAs are colored as in Fig. 1C. RNAP, CarD and RbpA residues that contact the DNA (< 4.5 Å) between −12 to +3 are shown as surfaces and labeled (FL2, fork loop 2; Sw2, switch 2; BH, bridge helix; AS, RNAP active site region). The double-arrowed black line denotes the shortest distance between the RNAP active site Mg2+ and an atom of the +1 t-strand DNA.

A. RPo.

B. RP2.