1ZK8

Crystal structure of transcriptional regulator from Bacillus cereus ATCC 14579

• PDB DOI: https://doi.org/10.2210/pdb1ZK8/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Bacillus cereus ATCC 14579
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-05-02 Released: 2005-06-14 
• Deposition Author(s): Nocek, B., Zhou, M., Holzle, D., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.239 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 

Literature

Crystal Structure Of TetR repressor from Bacillus cereus ATCC14579

Nocek, B., Zhou, M., Holzle, D., 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: 40.72 kDa 
• Atom Count: 2,954 
• Modelled Residue Count: 353 
• Deposited Residue Count: 366 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, TetR family	A, B	183	Bacillus cereus ATCC 14579	Mutation(s): 3
UniProt
Find proteins for Q815X4 (Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711)) Explore Q815X4  Go to UniProtKB:  Q815X4

Small Molecules

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: 2.15 Å
• R-Value Free: 0.239 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.268	α = 90
b = 95.64	β = 97.89
c = 45.986	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-06-14 
Deposition Author(s): Nocek, B., Zhou, M., Holzle, D., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-06-14
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary