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EMD-50511
Cryo-EM structure of Mycobacterium tuberculosis sigma-B RNA polymerase bound to -10 promoter element ssDNA oligo - sigma-B udocked conformation
EMD-50511
Single-particle3.48 Å
Deposition: 31/05/2024Map released: 02/04/2025
Last modified: 07/05/2025
Sample Organism:
Mycobacterium tuberculosis H37Rv,
Escherichia coli
Sample: RNA polymerase holoenzyme bound to -10 promoter element ssDNA oligo
Fitted models: 9fjs
Deposition Authors: Brodolin K
,
Blaise M
Sample: RNA polymerase holoenzyme bound to -10 promoter element ssDNA oligo
Fitted models: 9fjs
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
(2025) Nucleic Acids Res , 53
Secondary citations:
- Afonine PV, Poon BK, Read RJ, Sobolev OV, Terwilliger TC, Urzhumtsev A & Adams PD. (2018) Real-space refinement in PHENIX for cryo-EM and crystallography. Acta Crystallogr D Struct Biol, 74, 531 - 544
- 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:
