2FQ4

The crystal structure of the transcriptional regulator (TetR family) from Bacillus cereus

• PDB DOI: https://doi.org/10.2210/pdb2FQ4/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Bacillus cereus ATCC 14579
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2006-01-17 Released: 2006-02-28 
• Deposition Author(s): Zhang, R., Wu, R., Moy, S., Cymborowski, M., Minor, W., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free: 
  0.262 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.235 (Depositor), 0.240 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Literature

The crystal structure of the transcriptional regulator (TetR family) from Bacillus cereus

Zhang, R., Wu, R., Moy, S., Cymborowski, M., Minor, W., Otwinowski, Z., 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: 21.78 kDa 
• Atom Count: 1,566 
• Modelled Residue Count: 184 
• Deposited Residue Count: 192 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, TetR family	A	192	Bacillus cereus ATCC 14579	Mutation(s): 2  Gene Names: GI:29896827
UniProt
Find proteins for Q81BJ4 (Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711)) Explore Q81BJ4  Go to UniProtKB:  Q81BJ4

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free:  0.262 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.235 (Depositor), 0.240 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.891	α = 90
b = 67.648	β = 90
c = 111.25	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-02-28 
Deposition Author(s): Zhang, R., Wu, R., Moy, S., Cymborowski, M., Minor, W., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-02-28
  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: 2022-04-13
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2024-10-16
  Changes: Data collection, Structure summary