2B02 | pdb_00002b02

Crystal Structure of ARNT PAS-B Domain

• PDB DOI: https://doi.org/10.2210/pdb2B02/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-09-12 Released: 2006-10-24 
• Deposition Author(s): Lee, J., Botuyan, M.V., Nomine, Y., Ohh, M., Thompson, J.R., Mer, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.188 (Depositor) 

Literature

Crystal Structure and Binding Properties of ARNT PAS-B Heterodimerization Domain

Lee, J., Botuyan, M.V., Nomine, Y., Ohh, M., Thompson, J.R., Mer, G.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 14.12 kDa 
• Atom Count: 1,112 
• Modeled Residue Count: 111 
• Deposited Residue Count: 119 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aryl hydrocarbon receptor nuclear translocator	A	119	Homo sapiens	Mutation(s): 4  Gene Names: ARNT
UniProt & NIH Common Fund Data Resources
Find proteins for P27540 (Homo sapiens) Explore P27540  Go to UniProtKB:  P27540
PHAROS:  P27540 GTEx:  ENSG00000143437

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: 1.50 Å
• R-Value Free:  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.188 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.321	α = 90
b = 61.61	β = 90
c = 76.711	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-24 
Deposition Author(s): Lee, J., Botuyan, M.V., Nomine, Y., Ohh, M., Thompson, J.R., Mer, G.

Revision History  

• Version 1.0: 2006-10-24
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.4: 2024-11-13
  Changes: Data collection, Structure summary