2HXO

Structure of the transcriptional regulator SCO7222, a TetR from Streptomyces coelicolor

• PDB DOI: https://doi.org/10.2210/pdb2HXO/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptomyces coelicolor A3(2)
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-08-03 Released: 2006-08-22 
• Deposition Author(s): Singer, A.U., Skarina, T., Zhang, R.G., Onopriyenko, O., Edwards, A.M., Joachimiak, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 

Literature

Structure of the transcriptional regulator SCO7222, a TetR from Streptomyces coelicolor

Singer, A.U., Skarina, T., Zhang, R.G., Onopriyenko, O., Edwards, A.M., Joachimiak, A., Savchenko, 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: 50.5 kDa 
• Atom Count: 3,182 
• Modelled Residue Count: 414 
• Deposited Residue Count: 474 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative TetR-family transcriptional regulator	A, B	237	Streptomyces coelicolor A3(2)	Mutation(s): 3  Gene Names: sco7222
UniProt
Find proteins for Q9K463 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9K463  Go to UniProtKB:  Q9K463

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.088	α = 90
b = 97.479	β = 90
c = 100.971	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXCD	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-08-22 
Deposition Author(s): Singer, A.U., Skarina, T., Zhang, R.G., Onopriyenko, O., Edwards, A.M., Joachimiak, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-08-22
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description