3KNW | pdb_00003knw

Crystal structure of a putative transcriptional regulator (TetR/AcrR family member) from putative transcriptional regulator (TetR/AcrR family)

• PDB DOI: https://doi.org/10.2210/pdb3KNW/pdb

• Classification: transcription regulator
• Organism(s): Acinetobacter baylyi ADP1
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2009-11-12 Released: 2010-01-05 
• Deposition Author(s): Nocek, B., Bigelow, L., Cobb, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 
  0.263 (Depositor), 0.265 (DCC) 
• R-Value Work: 
  0.210 (Depositor), 0.225 (DCC) 
• R-Value Observed: 
  0.213 (Depositor) 

Literature

Crystal structure of a putative transcriptional regulator (TetR/AcrR family member) from putative transcriptional regulator (TetR/AcrR family)

Nocek, B., Bigelow, L., Cobb, G., 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: 49.11 kDa 
• Atom Count: 2,863 
• Modeled Residue Count: 359 
• Deposited Residue Count: 424 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator (TetR/AcrR family)	A, B	212	Acinetobacter baylyi ADP1	Mutation(s): 0  Gene Names: ACIAD2740
UniProt
Find proteins for Q6F8X8 (Acinetobacter baylyi (strain ATCC 33305 / BD413 / ADP1)) Explore Q6F8X8  Go to UniProtKB:  Q6F8X8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	C [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-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: 2.45 Å
• R-Value Free:  0.263 (Depositor), 0.265 (DCC) 
• R-Value Work:  0.210 (Depositor), 0.225 (DCC) 
• R-Value Observed: 0.213 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.741	α = 90
b = 73.768	β = 90
c = 106.921	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
Auto-Rickshaw	phasing
SHELX	model building
CCP4	model building
MLPHARE	phasing
NANtMRF	model building
DM	model building
RESOLVE	model building
SHARP	phasing
ARP/wARP	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
CCP4	phasing
NANtMRF	phasing
DM	phasing
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-01-05 
Deposition Author(s): Nocek, B., Bigelow, L., Cobb, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-01-05
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.2: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary