3C07 | pdb_00003c07

Crystal structure of a TetR family transcriptional regulator from Streptomyces coelicolor A3(2)

• PDB DOI: https://doi.org/10.2210/pdb3C07/pdb
• Entry: 3C07 supersedes: 2OFL

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


• Deposited: 2008-01-18 Released: 2008-02-05 
• Deposition Author(s): Tan, K., Xu, X., Zheng, H., 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: 2.70 Å
• R-Value Free: 
  0.289 (Depositor), 0.290 (DCC) 
• R-Value Work: 
  0.218 (Depositor), 0.215 (DCC) 
• R-Value Observed: 
  0.221 (Depositor) 

Literature

The structure of a TetR family transcriptional regulator from Streptomyces coelicolor A3(2).

Tan, K., Xu, X., Zheng, H., 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: 62.81 kDa 
• Atom Count: 3,529 
• Modeled Residue Count: 435 
• Deposited Residue Count: 546 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative tetR-family transcriptional regulator	A, B	273	Streptomyces coelicolor A3(2)	Mutation(s): 0  Gene Names: SCO4850, SC5G8.18c
UniProt
Find proteins for Q9KZ96 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9KZ96  Go to UniProtKB:  Q9KZ96

Small Molecules

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

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: 2.70 Å
• R-Value Free:  0.289 (Depositor), 0.290 (DCC) 
• R-Value Work:  0.218 (Depositor), 0.215 (DCC) 
• R-Value Observed: 0.221 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.947	α = 90
b = 74.947	β = 90
c = 208.075	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-05 
Deposition Author(s): Tan, K., Xu, X., Zheng, H., Savchenko, A., Edwards, A.M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)
• This entry supersedes: 2OFL

Revision History  

• Version 1.0: 2008-02-05
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary