ALLERGEN NOMENCLATURE
WHO/IUIS Allergen Nomenclature Sub-Committee

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Allergen Details

Allergen name: Ara h 20
Allergen source: Major taxonomic group: Plantae Eudikotyledons
Order: Fabales
Species: Arachis hypogaea (Peanut, groundnut)
NCBI Taxomony ID: 3818
Biochemical name:Seed biotinylated protein SBP65
Molecular mass:57 kDa
Allergenicity:Sera from 52 peanut-allergic patients were tested (positive open oral food challenge with peanut butter + positive peanut ImmunoCAP). Sera from 12 non-allergic donors served as negative controls. In an IgE-ELISA, 5 peanut-allergic patients' sera (10%) had IgE to rAra h 20.0101 produced in E. coli.
Route of allergen exposure:Food
Created:2025-10-02 18:26:19
Last Updated:2025-10-02 18:26:19
Submitter Info:
Name:Naoshi Shimojo; Teruaki Matsui
Institution:Collaborative Department of Advanced Allergy and Immunology, Fujita Health University School of Medicine
City:Obu and Nagoya, Aichi, Japan
Email:naoshi_shimojo@hoyu.co.jp; terumatsu1981@hotmail.com and teruaki_matsui@sk00106.achmc.pref.aichi.jp
Submission Date:2025-05-22

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Table of Isoallergens

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Isoallergen and variants GenBank Nucleotide GenBank Protein UniProt PDB
Ara h 20.0101XM_025813898XP_025669683