3CRJ | pdb_00003crj

Crystal structure of a TetR transcription regulator from Haloarcula marismortui ATCC 43049

• PDB DOI: https://doi.org/10.2210/pdb3CRJ/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Haloarcula marismortui ATCC 43049
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2008-04-07 Released: 2008-04-22 
• Deposition Author(s): Tan, K., Zhou, M., Freeman, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.288 (Depositor), 0.284 (DCC) 
• R-Value Work: 
  0.234 (Depositor), 0.232 (DCC) 
• R-Value Observed: 
  0.236 (Depositor) 

Literature

The crystal structure of a TetR transcription regulator from Haloarcula marismortui ATCC 43049.

Tan, K., Zhou, M., Freeman, L., 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)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 92.11 kDa 
• Atom Count: 5,920 
• Modeled Residue Count: 746 
• Deposited Residue Count: 796 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription regulator	A, B, C, D	199	Haloarcula marismortui ATCC 43049	Mutation(s): 0  Gene Names: tetR, pNG7308
UniProt
Find proteins for Q5V649 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809)) Explore Q5V649  Go to UniProtKB:  Q5V649

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.288 (Depositor), 0.284 (DCC) 
• R-Value Work:  0.234 (Depositor), 0.232 (DCC) 
• R-Value Observed: 0.236 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.494	α = 90
b = 103.361	β = 90
c = 167.898	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-22 
Deposition Author(s): Tan, K., Zhou, M., Freeman, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2008-04-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary