3MQQ | pdb_00003mqq

The Crystal Structure of the PAS domain in complex with Ethanol of a Transcriptional Regulator in the LuxR family from Burkholderia thailandensis to 1.65A

• PDB DOI: https://doi.org/10.2210/pdb3MQQ/pdb

• Classification: Transcription regulator
• Organism(s): Burkholderia thailandensis E264
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-04-28 Released: 2010-06-23 
• Deposition Author(s): Stein, A.J., Tesar, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.257 (Depositor), 0.258 (DCC) 
• R-Value Work: 
  0.224 (Depositor), 0.226 (DCC) 
• R-Value Observed: 
  0.225 (Depositor) 

Literature

The Crystal Structure of the PAS domain in complex with Ethanol of a Transcriptional Regulator in the LuxR family from Burkholderia thailandensis to 1.65A

Stein, A.J., Tesar, C., Buck, K., 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: 27.38 kDa 
• Atom Count: 1,920 
• Modeled Residue Count: 231 
• Deposited Residue Count: 240 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, LuxR family	A, B	120	Burkholderia thailandensis E264	Mutation(s): 0  Gene Names: BTH_I2609
UniProt
Find proteins for Q2SVC5 (Burkholderia thailandensis (strain ATCC 700388 / DSM 13276 / CCUG 48851 / CIP 106301 / E264)) Explore Q2SVC5  Go to UniProtKB:  Q2SVC5

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	E [auth A], F [auth A], J [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
EOH	C [auth A], D [auth A], H [auth B], I [auth B]	ETHANOL C2 H6 O LFQSCWFLJHTTHZ-UHFFFAOYSA-N
NA	G [auth A], K [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

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: 1.65 Å
• R-Value Free:  0.257 (Depositor), 0.258 (DCC) 
• R-Value Work:  0.224 (Depositor), 0.226 (DCC) 
• R-Value Observed: 0.225 (Depositor) 

Space Group: P 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.438	α = 90
b = 35.726	β = 91.49
c = 66.986	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-23 
Deposition Author(s): Stein, A.J., Tesar, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-06-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2012-06-20
  Changes: Database references
• Version 1.3: 2017-11-08
  Changes: Refinement description
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary