A SI3-sigma; arch stabilizes cyanobacteria transcription initiation complex
L. Shen, G. Lai, L. You, J. Shi, X. Wu, M. Puiu, Z. Gu, Y. Feng, Y. Yuzenkova, Y. Zhang
The paper reports cryo-EM structures of cyanobacterial transcription initiation complexes and identifies an SI3-{sigma} arch that stabilizes the RNAP-promoter DNA open complex, essential for transcription initiation.
bioRxiv · Oct 6, 2022Biochemistry