Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Stepwise, RNA-driven displacement of the σ-finger: ECF σ-factor σH. Crystal structures of (A) σH-RPitc5 (this work; see SI Appendix, Table S4), (B) σH-RPitc6 (PDB 6JCX; ref. 6), (C) σH-RPitc7 (this work; see SI Appendix, Table S4), (D) σH-RPitc9 (this work; see SI Appendix, Table S4), and (E) σH-RPitc10 (this work; see SI Appendix, Table S4). Colors and contours as in Fig. 1.
