2OF7

Structural Genomics, the crystal structure of a tetR-family transcriptional regulator from Streptomyces coelicolor A3

• PDB DOI: https://doi.org/10.2210/pdb2OF7/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptomyces coelicolor
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2007-01-02 Released: 2007-01-30 
• Deposition Author(s): Tan, K., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.293 
• R-Value Work: 0.231 
• R-Value Observed: 0.234 

Literature

The crystal structure of a tetR-family transcriptional regulator from Streptomyces coelicolor A3

Tan, K., Xu, X., Zheng, H., Savchenko, A., Edwards, A., 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,PQS (software)

Macromolecule Content

• Total Structure Weight: 29.41 kDa 
• Atom Count: 1,542 
• Modelled Residue Count: 191 
• Deposited Residue Count: 260 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative tetR-family transcriptional regulator	A	260	Streptomyces coelicolor	Mutation(s): 6  Gene Names: SCO4977
UniProt
Find proteins for Q9EWH2 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9EWH2  Go to UniProtKB:  Q9EWH2

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: 2.30 Å
• R-Value Free: 0.293 
• R-Value Work: 0.231 
• R-Value Observed: 0.234 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.101	α = 90
b = 73.24	β = 107.27
c = 48.082	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-30 
Deposition Author(s): Tan, K., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2007-01-30
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations