ALLERGEN NOMENCLATURE
WHO/IUIS Allergen Nomenclature Sub-Committee

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Allergen Details

Allergen name: Ana o 4
Allergen source: Major taxonomic group: Plantae Eudikotyledons
Order: Sapindales
Species: Anacardium occidentale (Cashew)
NCBI Taxomony ID: 171929
Biochemical name:Pathogenesis-related protein PR-10, Bet v 1-related protein
Molecular mass:17 kDa
Allergenicity:Sera from 23 patients with confirmed cashew allergy (symptoms + SPT + sIgE by ImmunoCAP + open food challenge) were tested. Of those, 19 (83%) had IgE to recombinant Ana o 4 as determined by ImmunoCAP.
Route of allergen exposure:Food
Created:2026-08-24 17:58:38
Last Updated:2026-08-25 16:52:57
Submitter Info:
Name:Ronald van Ree
Institution:Amsterdam University Medical Centers
City:Amsterdam, The Netherlands
Email:r.vanree@amsterdamumc.nl
Submission Date:2026-07-14

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Table of Isoallergens

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Isoallergen and variants GenBank Nucleotide GenBank Protein UniProt PDB
Ana o 4.0101MN258363QLB38125A0A7D9N402