3OB4

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

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.71 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.183 
  • R-Value Observed: 0.187 

wwPDB Validation   3D Report Full Report


This is version 2.1 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: https://doi.org/10.1111/j.1398-9995.2010.02532.x
  • Primary Citation of Related Structures:  
    3OB4

  • 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.

    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: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Maltose ABC transporter periplasmic protein,Arah 2A500Escherichia coli, Arachis hypogaea
This entity is chimeric		Mutation(s): 7 
Gene Names: HMPREF9530_03068, Ara h 2
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12))
Explore P0AEX9 
Go to UniProtKB:  P0AEX9
Find proteins for A5Z1Q8 (Arachis duranensis)
Explore A5Z1Q8 
Go to UniProtKB:  A5Z1Q8
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupsA5Z1Q8P0AEX9
Protein Feature View
Expand
  • Reference Sequence
Oligosaccharides

Help

Entity ID: 2
MoleculeChainsChain Length2D DiagramGlycosylation3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranoseB 3N/A Oligosaccharides Interaction
Glycosylation Resources
GlyTouCan:  G96370VA
GlyCosmos:  G96370VA
GlyGen:  G96370VA
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2
IDChainsNameType/Class2D Diagram3D Interactions
PRD_900009
Query on PRD_900009		Balpha-maltotrioseOligosaccharide / Nutrient Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.71 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.183 
  • R-Value Observed: 0.187 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 68.847α = 90
b = 87.381β = 103.93
c = 113.137γ = 90
Software Package:
Software NamePurpose
MAR345data collection
MOLREPphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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View more in-depth experimental data
Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-02-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-08-09
    Changes: Refinement description, Source and taxonomy
  • Version 1.3: 2017-11-08
    Changes: Refinement description
  • Version 1.4: 2020-02-26
    Changes: Database references
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
  • Version 2.1: 2021-02-17
    Changes: Database references, Source and taxonomy, Structure summary