2HYJ

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

• PDB DOI: https://doi.org/10.2210/pdb2HYJ/pdb

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


• Deposited: 2006-08-06 Released: 2006-09-05 
• Deposition Author(s): Zhang, R., 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: 2.19 Å
• R-Value Free: 
  0.247 (Depositor), 0.245 (DCC) 
• R-Value Work: 
  0.191 (Depositor), 0.193 (DCC) 
• R-Value Observed: 
  0.194 (Depositor) 

Literature

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

Zhang, R., 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: 21.9 kDa 
• Atom Count: 1,607 
• Modelled Residue Count: 193 
• Deposited Residue Count: 200 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative tetR-family transcriptional regulator	A	200	Streptomyces coelicolor A3(2)	Mutation(s): 0  Gene Names: GI:32141251
UniProt
Find proteins for Q8CJS4 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q8CJS4  Go to UniProtKB:  Q8CJS4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CA	B [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free:  0.247 (Depositor), 0.245 (DCC) 
• R-Value Work:  0.191 (Depositor), 0.193 (DCC) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.864	α = 90
b = 82.678	β = 90
c = 178.933	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-05 
Deposition Author(s): Zhang, R., Xu, X., Zheng, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-09-05
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-12-25
  Changes: Advisory, Data collection, Database references, Derived calculations, Structure summary