ALLERGEN NOMENCLATURE
WHO/IUIS Allergen Nomenclature Sub-Committee

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Allergen Details:

Allergen name: Hor v 20
Lineage: Source: Plantae Liliopsida
Order: Poales
Species: Hordeum vulgare (Barley)
Obsolete name:Hor v 21
Biochemical name:Gamma-hordein 3
MW(SDS-PAGE):34
Allergenicity:In ELISA, 21 out of 23 (91%) patients with wheat-dependent, exercise-induced anaphylaxis had IgE antibodies to purified gamma-3 hordein. Skin prick testing gave positive reactions to gamma-3 hordein in 7 out of 15 (47%) patients tested.
Allergenicity reference:1284070411260160
Route of allergen exposure:Food
Date Created:12-02-2003
Last Updated:2014-11-13 18:17:08
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Comments

Posted: 30 Aug 2012

Hor v 21 was renamed to Hor v 20 as it is related to Sec c 20 (gamma-secalin) from rye and not to Tri a 21 (alpha/beta-gliadin) from wheat.

Table of IsoAllergens Click +/- for additional information
Isoallergen and variants GenBank Nucleotide GenBank Protein UniProt PDB
Hor v 20.0101X72628CAA51204P80198