3BNI

Crystal structure of TetR-family transcriptional regulator from Streptomyces coelicolor

• PDB DOI: https://doi.org/10.2210/pdb3BNI/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Streptomyces coelicolor A3(2)
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2007-12-14 Released: 2007-12-25 
• Deposition Author(s): Osipiuk, J., Xu, X., Gu, J., Savchenko, A., Edwards, A.M., 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: 0.249 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Literature

X-ray crystal structure of TetR-family transcriptional regulator from Streptomyces coelicolor.

Osipiuk, J., Xu, X., Gu, J., Savchenko, A., Edwards, A.M., 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: 51.94 kDa 
• Atom Count: 2,832 
• Modelled Residue Count: 345 
• Deposited Residue Count: 458 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative TetR-family transcriptional regulator	A, B	229	Streptomyces coelicolor A3(2)	Mutation(s): 0  Gene Names: SCO1712, SCI11.01c, SCI30A.33c
UniProt
Find proteins for Q8CK21 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q8CK21  Go to UniProtKB:  Q8CK21

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4	C [auth A], D [auth B]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.249 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.091	α = 90
b = 66.354	β = 90
c = 125.083	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-2000	data reduction
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-12-25 
Deposition Author(s): Osipiuk, J., Xu, X., Gu, J., Savchenko, A., Edwards, A.M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2007-12-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations