CBR antimicrobials inhibit RNA polymerase via at least two bridge-helix cap-mediated effects on nucleotide addition.
Bae, B., Nayak, D., Ray, A., Mustaev, A., Landick, R., Darst, S.A.(2015) Proc Natl Acad Sci U S A 112: E4178-E4187
- PubMed: 26195788 
- DOI: 10.1073/pnas.1502368112
- Primary Citation of Related Structures:  
4XSX, 4XSY, 4XSZ - PubMed Abstract: 
RNA polymerase inhibitors like the CBR class that target the enzyme's complex catalytic center are attractive leads for new antimicrobials. Catalysis by RNA polymerase involves multiple rearrangements of bridge helix, trigger loop, and active-center ...