Crystal structure of Aquifex aeolicus sigma (N) bound to promoter DNA and the structure of sigma (N)-holoenzyme.
Campbell, E.A., Kamath, S., Rajashankar, K.R., Wu, M., Darst, S.A.(2017) Proc Natl Acad Sci U S A 114: E1805-E1814
- PubMed: 28223493 
- DOI: 10.1073/pnas.1619464114
- Primary Citation of Related Structures:  
5UI5, 5UI8 - PubMed Abstract: 
The bacterial σ factors confer promoter specificity to the RNA polymerase (RNAP). One alternative σ factor, σ N , is unique in its structure and functional mechanism, forming transcriptionally inactive promoter complexes that require activ ...