Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 21.33 kDa 
• Atom Count: 1,959 
• Modelled Residue Count: 190 
• Deposited Residue Count: 194 
• Unique protein chains: 1

 2G7S

The crystal structure of transcriptional regulator, TetR family, from Agrobacterium tumefaciens

• PDB DOI:  https://doi.org/10.2210/pdb2G7S/pdb

• Classification: TRANSCRIPTION
• Organism(s): Agrobacterium fabrum str. C58
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2006-02-28 Released: 2006-03-14 
• Deposition Author(s): Lunin, V.V., Chang, C., Xu, X., Gu, J., Joachimiak, A., Edwards, A.M., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.186 
• R-Value Work: 0.136 
• R-Value Observed: 0.139 

Literature

The crystal structure of transcriptional regulator, TetR family, from Agrobacterium tumefaciens

Lunin, V.V., Chang, C., Xu, X., Gu, J., Joachimiak, A., Edwards, A.M., Savchenko, A.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
transcriptional regulator, TetR family	A	194	Agrobacterium fabrum str. C58	Mutation(s): 4  Gene Names: Atu0279
UniProt
Find proteins for A9CKG4 (Agrobacterium fabrum (strain C58 / ATCC 33970)) Explore A9CKG4  Go to UniProtKB:  A9CKG4

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.186 
• R-Value Work: 0.136 
• R-Value Observed: 0.139 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.736	α = 90
b = 55.029	β = 90
c = 73.979	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SnB	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-14 
Deposition Author(s): Lunin, V.V., Chang, C., Xu, X., Gu, J., Joachimiak, A., Edwards, A.M., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-03-14
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description