3OB4

MBP-fusion protein of the major peanut allergen Ara h 2


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.706 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.183 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Ara h 2: crystal structure and IgE binding distinguish two subpopulations of peanut allergic patients by epitope diversity.

Mueller, G.A.Gosavi, R.A.Pomes, A.Wunschmann, S.Moon, A.F.London, R.E.Pedersen, L.C.

(2011) Allergy 66: 878-885

  • DOI: 10.1111/j.1398-9995.2010.02532.x

  • PubMed Abstract: 
  • Peanut allergy affects 1% of the population and causes the most fatal food-related anaphylactic reactions. The protein Ara h 2 is the most potent peanut allergen recognized by 80-90% of peanut allergic patients.

    Peanut allergy affects 1% of the population and causes the most fatal food-related anaphylactic reactions. The protein Ara h 2 is the most potent peanut allergen recognized by 80-90% of peanut allergic patients.


    Organizational Affiliation

    Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA. mueller3@niehs.nih.gov




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Maltose ABC transporter periplasmic protein, Arah 2
A
500Arachis duranensisEscherichia coli (strain K12)
This entity is chimeric
Mutation(s): 8 
Gene Names: Ara d 2.01 (ara d 2, Ara h 2), malE
Find proteins for A5Z1Q8 (Arachis duranensis)
Go to UniProtKB:  A5Z1Q8
Find proteins for P0AEX9 (Escherichia coli (strain K12))
Go to UniProtKB:  P0AEX9
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MLR
Query on MLR

Download SDF File 
Download CCD File 
A
MALTOTRIOSE
AMYLOTRIOSE
C18 H32 O16
FYGDTMLNYKFZSV-PXXRMHSHSA-N
 Ligand Interaction
SO4
Query on SO4

Download SDF File 
Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
CL
Query on CL

Download SDF File 
Download CCD File 
A
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.706 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.183 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 68.847α = 90.00
b = 87.381β = 103.93
c = 113.137γ = 90.00
Software Package:
Software NamePurpose
MAR345data collection
MOLREPphasing
PHENIXrefinement
HKL-2000data scaling
HKL-2000data reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-02-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2017-08-09
    Type: Refinement description, Source and taxonomy
  • Version 1.3: 2017-11-08
    Type: Refinement description
  • Version 1.4: 2020-02-26
    Type: Database references