3VA6

Crystal Structure of the extracellular domain of the putative hybrid two component system BT4673 from B. thetaiotaomicron

• PDB DOI: https://doi.org/10.2210/pdb3VA6/pdb

• Classification: TRANSCRIPTION
• Organism(s): Bacteroides thetaiotaomicron
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-12-28 Released: 2012-06-13 
• Deposition Author(s): Zhang, Z., Liu, Q., Hendrickson, W.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.274 
• R-Value Work: 0.216 
• R-Value Observed: 0.219 

Literature

The Extraellular Domain Structures of Two Potential Saccharide-sensing Two-component Systems from a Human Gut Symbiont

Zhang, Z., Liu, Q., Hendrickson, W.A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 174.6 kDa 
• Atom Count: 12,203 
• Modelled Residue Count: 1,490 
• Deposited Residue Count: 1,516 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Two-component system sensor histidine kinase	A, B	758	Bacteroides thetaiotaomicron	Mutation(s): 0  Gene Names: BT_4673
UniProt
Find proteins for Q89YQ8 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q89YQ8  Go to UniProtKB:  Q89YQ8

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.274 
• R-Value Work: 0.216 
• R-Value Observed: 0.219 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.883	α = 90
b = 87.883	β = 90
c = 430.06	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-13 
Deposition Author(s): Zhang, Z., Liu, Q., Hendrickson, W.A.

Revision History  

• Version 1.0: 2012-06-13
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Refinement description
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Refinement description