EMD-50510
Cryo-EM structure of Mycobacterium tuberculosis sigma-B RNA polymerase bound to -10 promoter element ssDNA oligo - sigma-B docked conformation
EMD-50510
Single-particle3.43 Å
Deposition: 31/05/2024Map released: 07/05/2025
Last modified: 07/05/2025
Sample Organism:
Mycobacterium tuberculosis H37Rv,
Escherichia coli
Sample: RNA polymerase holoenzyme bound to -10 promoter element ssDNA oligo - sigB docked state
Fitted models: 9fjr
Deposition Authors: Brodolin K
,
Blaise M
Sample: RNA polymerase holoenzyme bound to -10 promoter element ssDNA oligo - sigB docked state
Fitted models: 9fjr
Deposition Authors: Brodolin K
,
Blaise M
Single-stranded DNA drives sigma subunit loading onto mycobacterial RNA polymerase to unlock initiation-competent conformations.
Vishwakarma RK,
Marechal N,
Morichaud Z,
Blaise M
,
Margeat E,
Brodolin K
(2025) Nucleic Acids Res , 53
,
Margeat E,
Brodolin K
(2025) Nucleic Acids Res , 53
Secondary citations:
- Morichaud Z, Trapani S, Vishwakarma RK, Chaloin L, Lionne C, Lai-Kee-Him J, Bron P & Brodolin K. (2023) Structural basis of the mycobacterial stress-response RNA polymerase auto-inhibition via oligomerization. Nat Commun, 14, 484
- Sudalaiyadum Perumal A, Vishwakarma RK, Hu Y, Morichaud Z & Brodolin K. (2018) RbpA relaxes promoter selectivity of M. tuberculosis RNA polymerase. Nucleic Acids Res, 46, 10106 - 10118
Grant Support:
