8H5V

Crystal structure of the FleQ domain of Vibrio cholerae FlrA

• PDB DOI: https://doi.org/10.2210/pdb8H5V/pdb

• Classification: TRANSCRIPTION
• Organism(s): Vibrio cholerae O395
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-10-14 Released: 2022-11-02 
• Deposition Author(s): Dasgupta, J., Chakraborty, S.
• Funding Organization(s): Department of Science & Technology (DST, India)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.219 
• R-Value Work: 0.170 
• R-Value Observed: 0.174 

Literature

FleQ domain of flagellar Master regulato FlrA is indispensable for oligomerization, nucleotide binding and enhancer recognition in Vibrio cholerae

Dasgupta, J., Chakraborty, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: homology

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Macromolecule Content

• Total Structure Weight: 57.14 kDa 
• Atom Count: 4,006 
• Modelled Residue Count: 487 
• Deposited Residue Count: 508 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
flagellar regulatory protein A	A, B, C, D	127	Vibrio cholerae O395	Mutation(s): 0  Gene Names: EYB64_02180
UniProt
Find proteins for A0A0H3AM86 (Vibrio cholerae serotype O1 (strain ATCC 39541 / Classical Ogawa 395 / O395)) Explore A0A0H3AM86  Go to UniProtKB:  A0A0H3AM86

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	J [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	E [auth A], F [auth A], G [auth A], H [auth B], I [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.219 
• R-Value Work: 0.170 
• R-Value Observed: 0.174 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 97.059	α = 90
b = 66.471	β = 92.51
c = 68.044	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-02 
Deposition Author(s): Dasgupta, J., Chakraborty, S.

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Funding Organization	Location	Grant Number
Department of Science & Technology (DST, India)	India	--

Revision History  

• Version 1.0: 2022-11-02
  Type: Initial release