pH-dependent conformational switch activates the inhibitor of transcription elongation.
Laptenko, O., Kim, S.-S., Lee, J., Starodubtseva, M., Cava, F., Berenguer, J., Kong, X.P., Borukhov, S.(2006) EMBO J 25: 2131-2141
- PubMed: 16628221 
- DOI: 10.1038/sj.emboj.7601094
- Primary Citation of Related Structures:  
2F23 - PubMed Abstract: 
Gfh1, a transcription factor from Thermus thermophilus, inhibits all catalytic activities of RNA polymerase (RNAP). We characterized the Gfh1 structure, function and possible mechanism of action and regulation. Gfh1 inhibits RNAP by competing with NTPs for coordinating the active site Mg2+ ion ...