3MQO | pdb_00003mqo

The Crystal Structure of the PAS domain in complex with isopropanol of a Transcriptional Regulator in the LuxR family from Burkholderia thailandensis to 1.7A

• PDB DOI: https://doi.org/10.2210/pdb3MQO/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: 1.70 Å
• R-Value Free: 
  0.241 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.225 (Depositor), 0.225 (DCC) 
• R-Value Observed: 
  0.226 (Depositor) 

Literature

The Crystal Structure of the PAS domain in complex with isopropanol of a Transcriptional Regulator in the LuxR family from Burkholderia thailandensis to 1.7A

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: 27.44 kDa 
• Atom Count: 1,936 
• 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 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TRS	F [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
EDO	E [auth A], I [auth B], J [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
IPA	C [auth A], G [auth B]	ISOPROPYL ALCOHOL C3 H8 O KFZMGEQAYNKOFK-UHFFFAOYSA-N
NA	D [auth A], H [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: 1.70 Å
• R-Value Free:  0.241 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.225 (Depositor), 0.225 (DCC) 
• R-Value Observed: 0.226 (Depositor) 

Space Group: P 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.615	α = 90
b = 35.746	β = 91.99
c = 67.096	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
HKL-3000	phasing
SHELX	phasing
MLPHARE	phasing
DM	phasing
ARP/wARP	model building
Coot	model building

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: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary