7Q4U | pdb_00007q4u

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


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.39 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 7Q4U

This is version 1.2 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: 3,224.88 kDa 
  • Atom Count: 190,528 
  • Modeled Residue Count: 24,472 
  • Deposited Residue Count: 29,120 
  • Unique protein chains: 5

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit alpha347Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoARv3457cMTCY13E12.10c
EC: 2.7.7.6
UniProt
Find proteins for P9WGZ1 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WGZ1 
Go to UniProtKB:  P9WGZ1
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP9WGZ1
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit beta1,174Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoBRv0667MTCI376.08c
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
Find similar proteins by:|  3D Structure
Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit beta'1,319Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoCRv0668MTCI376.07c
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
Find similar proteins by:|  3D Structure
Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit omega110Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: rpoZRv1390MTCY21B4.07
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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UniProt GroupP9WGY5
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
RNA polymerase sigma factor SigB343Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: sigBmysBRv2710
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

Small Molecules

Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ZN
(Subject of Investigation/LOI)

Query on ZN



Download:Ideal Coordinates CCD File
AB [auth J]
CB [auth P]
DB [auth P]
FB [auth W]
GB [auth W]
AB [auth J],
CB [auth P],
DB [auth P],
FB [auth W],
GB [auth W],
IB [auth CA],
JB [auth CA],
LB [auth IA],
MB [auth IA],
OB [auth OA],
PB [auth OA],
RB [auth UA],
SB [auth UA],
WA [auth D],
XA [auth D],
ZA [auth J]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG
(Subject of Investigation/LOI)

Query on MG



Download:Ideal Coordinates CCD File
BB [auth J]
EB [auth P]
HB [auth W]
KB [auth CA]
NB [auth IA]
BB [auth J],
EB [auth P],
HB [auth W],
KB [auth CA],
NB [auth IA],
QB [auth OA],
TB [auth UA],
YA [auth D]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.39 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX
RECONSTRUCTIONcryoSPARC3.1

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data

  • Released Date: 2022-11-16 
  • 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: 2022-11-16
    Type: Initial release
  • Version 1.1: 2023-02-08
    Changes: Database references, Refinement description
  • Version 1.2: 2024-07-17
    Changes: Data collection, Refinement description