3EUP

The crystal structure of the transcriptional regulator, TetR family from Cytophaga hutchinsonii

• PDB DOI: https://doi.org/10.2210/pdb3EUP/pdb

• Classification: Transcription regulator
• Organism(s): Cytophaga hutchinsonii ATCC 33406
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-10-10 Released: 2008-11-25 
• Deposition Author(s): Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 0.229 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 

Literature

The crystal structure of the transcriptional regulator, TetR family from Cytophaga hutchinsonii

Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 45.2 kDa 
• Atom Count: 3,387 
• Modelled Residue Count: 403 
• Deposited Residue Count: 408 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, TetR family	A, B	204	Cytophaga hutchinsonii ATCC 33406	Mutation(s): 0  Gene Names: CHU_2862, envR, gi:110639243

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 0.229 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.595	α = 90
b = 53.4	β = 90
c = 178.005	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-11-25 
Deposition Author(s): Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2008-11-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Source and taxonomy, Version format compliance
• Version 1.2: 2023-12-27
  Changes: Data collection, Database references, Derived calculations