E. coli RNA pol with Sigma
Not Sigma domain 3.2 (firebrick red) protruding into the interior of the enzyme to make contact with the nascent RNA (not shown).
Citation: Protein Database: PDF 4MEY
Transcription inhibition by the depsipeptide antibiotic salinamide A.
Degen, D., Feng, Y., Zhang, Y., Ebright, K.Y., Ebright, Y.W., Gigliotti, M., Vahedian-Movahed, H., Mandal, S., Talaue, M., Connell, N., Arnold, E., Fenical, W., Ebright, R.H.
(2014) Elife 3: e02451-e02451