7PP4 | pdb_00007pp4

Cryo-EM structure of Mycobacterium tuberculosis RNA polymerase holoenzyme comprising sigma factor SigB

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.84 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental
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This is version 1.1 of the entry. See complete history. 

Literature

Structural basis of the mycobacterial stress-response RNA polymerase auto-inhibition via oligomerization

Morichaud, Z., Trapani, S., Vishwakarma, R.K., Chaloin, L., Lionne, C., Lai-Kee-Him, J., Bron, P., Brodolin, K.

(2023) Nat Commun 14: 484

Macromolecule Content 

  • Total Structure Weight: 403.47 kDa 
  • Atom Count: 23,816 
  • Modeled Residue Count: 3,059 
  • Deposited Residue Count: 3,643 
  • Unique protein chains: 5

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit alphaA [auth a],
B [auth b]		347Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoA, Rv3457c, MTCY13E12.10c
EC: 2.7.7.6
UniProt
Find proteins for P9WGZ1 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGZ1 
Go to UniProtKB:  P9WGZ1
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UniProt GroupP9WGZ1
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit betaC [auth c]1,174Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoB, Rv0667, MTCI376.08c
EC: 2.7.7.6
UniProt
Find proteins for P9WGY9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGY9 
Go to UniProtKB:  P9WGY9
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UniProt GroupP9WGY9
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Reference Sequence
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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit beta'D [auth d]1,322Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoC, Rv0668, MTCI376.07c
EC: 2.7.7.6
UniProt
Find proteins for P9WGY7 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGY7 
Go to UniProtKB:  P9WGY7
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UniProt GroupP9WGY7
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit omegaE [auth e]110Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoZ, Rv1390, MTCY21B4.07
EC: 2.7.7.6
UniProt
Find proteins for P9WGY5 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGY5 
Go to UniProtKB:  P9WGY5
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Reference Sequence
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
RNA polymerase sigma factor SigBF [auth f]343Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: sigB, mysB, Rv2710
UniProt
Find proteins for P9WGI5 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGI5 
Go to UniProtKB:  P9WGI5
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UniProt GroupP9WGI5
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Reference Sequence

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.84 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX

Structure Validation

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Entry History 

& Funding Information

Deposition Data

  • Released Date: 2022-09-21 
    • Deposition Author(s): Brodolin, K.
Funding OrganizationLocationGrant Number
Agence Nationale de la Recherche (ANR)FranceANR-16-CE11-0025

Revision History  (Full details and data files)

  • Version 1.0: 2022-09-21
    Type: Initial release
  • Version 1.1: 2024-07-17
    Changes: Data collection, Database references, Refinement description