5UXX

Co-crystal structure of the sigma factor RpoE in complex with the anti-sigma factor NepR from Bartonella quintana

• PDB DOI: https://doi.org/10.2210/pdb5UXX/pdb

• Classification: dna binding protein/unknown function
• Organism(s): Bartonella quintana str. Toulouse
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-02-23 Released: 2018-02-28 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.223 
• R-Value Work: 0.191 
• R-Value Observed: 0.192 

Literature

Co-crystal structure of the sigma factor RpoE in complex with the anti-sigma factor NepR from Bartonella quintana

Seattle Structural Genomics Center for Infectious Disease (SSGCID), Fairman, J.W., Dranow, D.M., Sullivan, A.H., Lorimer, D., Edwards, T.E.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 53.46 kDa 
• Atom Count: 3,394 
• Modelled Residue Count: 417 
• Deposited Residue Count: 462 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA polymerase sigma factor	A, C	164	Bartonella quintana str. Toulouse	Mutation(s): 0  Gene Names: sigH, BQ10960
UniProt
Find proteins for A0A0H3M3R8 (Bartonella quintana (strain Toulouse)) Explore A0A0H3M3R8  Go to UniProtKB:  A0A0H3M3R8

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Anti-sigma factor NepR	B, D	67	Bartonella quintana str. Toulouse	Mutation(s): 0  Gene Names: BQ10970
UniProt
Find proteins for A0A0H3LV19 (Bartonella quintana (strain Toulouse)) Explore A0A0H3LV19  Go to UniProtKB:  A0A0H3LV19

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A], F [auth C], G [auth C]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, C	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.223 
• R-Value Work: 0.191 
• R-Value Observed: 0.192 
• Space Group: P 3₂ 2 1
• Diffraction Data: https://doi.org/10.18430/M35UXX

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.42	α = 90
b = 92.42	β = 90
c = 127.74	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
RESOLVE	phasing
PHENIX	phasing
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-02-28 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2018-02-28
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Data collection, Database references, Structure summary