3OBF | pdb_00003obf

Crystal structure of putative transcriptional regulator, IclR family; targeted domain 129...302

• PDB DOI: https://doi.org/10.2210/pdb3OBF/pdb

• Classification: transcription regulator
• Organism(s): Paenarthrobacter aurescens TC1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-08-06 Released: 2010-08-25 
• Deposition Author(s): Chang, C., Tesar, C., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 
  0.224 (Depositor), 0.236 (DCC) 
• R-Value Work: 
  0.174 (Depositor), 0.183 (DCC) 
• R-Value Observed: 
  0.176 (Depositor) 

Literature

Crystal structure of putative transcriptional regulator, IclR family; targeted domain 129...302

Chang, C., Tesar, C., Clancy, S., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content 

• Total Structure Weight: 38.79 kDa 
• Atom Count: 2,876 
• Modeled Residue Count: 350 
• Deposited Residue Count: 352 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator, IclR family	A, B	176	Paenarthrobacter aurescens TC1	Mutation(s): 0  Gene Names: AAur_3821
UniProt
Find proteins for A1RB88 (Paenarthrobacter aurescens (strain TC1)) Explore A1RB88  Go to UniProtKB:  A1RB88

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: 2.16 Å
• R-Value Free:  0.224 (Depositor), 0.236 (DCC) 
• R-Value Work:  0.174 (Depositor), 0.183 (DCC) 
• R-Value Observed: 0.176 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.044	α = 90
b = 66.978	β = 90
c = 70.622	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
Coot	model building
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-08-25 
Deposition Author(s): Chang, C., Tesar, C., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-08-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-11-27
  Changes: Data collection, Database references, Derived calculations, Structure summary