ALLERGEN NOMENCLATURE
WHO/IUIS Allergen Nomenclature Sub-Committee

Financial contributions from IUIS, EAACI, and AAAAI

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Allergen Details

Allergen name: Cho a 2
Allergen source: Major taxonomic group: Animalia Arthropoda
Order: Sarcoptiformes
Species: Chortoglyphus arcuatus (Storage mite)
NCBI Taxomony ID: 66564
Biochemical name:NPC2 family; MD-2-related lipid recognition (ML) domain containing protein
Molecular mass:14 kDa
Allergenicity:Sera from 20 patients with respiratory symptoms and/or atopic dermatitis and positive ImmunoCAP (class >= 3) to Der p or Der f were tested. Of those, 14 sera (70%) had IgE to rCho a 2.0101 measured by ELISA.
Route of allergen exposure:Airway
Created:2026-05-21 18:51:20
Last Updated:2026-05-21 18:51:20
Submitter Info:
Name:Xiaoyu Liu; Qing Xiong
Institution:Shenzhen University; The Hong Kong Polytechnic University
City:Shenzhen, China; Hong Kong SAR, China
Email:lxy0901@szu.edu.cn; bear-qing.xiong@polyu.edu.hk
Submission Date:2026-02-06

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Table of Isoallergens

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Isoallergen and variants GenBank Nucleotide GenBank Protein UniProt PDB
Cho a 2.0101PX851515YCL22676