The structure of the mite allergen Blo t 1 explains the limited antibody cross-reactivity to Der p 1
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The structure of the mite allergen Blo t 1 explains the limited antibody cross-reactivity to Der p 1. / Meno, Kåre H; Kastrup, Jette S; Kuo, I-Chun; Chua, Kaw Yan; Gajhede, Michael.
In: Allergy, Vol. 72, No. 4, 13111, 01.04.2017, p. 665-670.Research output: Contribution to journal › Journal article › Research › peer-review
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T1 - The structure of the mite allergen Blo t 1 explains the limited antibody cross-reactivity to Der p 1
AU - Meno, Kåre H
AU - Kastrup, Jette S
AU - Kuo, I-Chun
AU - Chua, Kaw Yan
AU - Gajhede, Michael
N1 - This article is protected by copyright. All rights reserved.
PY - 2017/4/1
Y1 - 2017/4/1
N2 - The Blomia tropicalis (Blo t) mite species is considered a storage mite in temperate climate zones and an important source of indoor allergens causing allergic asthma and rhinitis in tropical and subtropical regions. Here, we report the crystal structure of one of the allergens from Blo t, recombinant proBlo t 1 (rproBlo t 1), determined at 2.1 Å resolution. Overall, the fold of rproBlo t 1 is characteristic for the pro-form of cysteine proteases from the C1A class. Structural comparison of experimentally mapped Der f 1/Der p1 IgG epitopes to the same surface patch on Blo t 1, as well as of sequence identity of surface exposed residues, suggests limited cross-reactivity between these allergens and Blo t 1. This is in agreement with ELISA inhibition results showing that, although cross-reactive human IgE epitopes exist, there are unique IgE epitopes for both Blo t 1 and Der p 1. This article is protected by copyright. All rights reserved.
AB - The Blomia tropicalis (Blo t) mite species is considered a storage mite in temperate climate zones and an important source of indoor allergens causing allergic asthma and rhinitis in tropical and subtropical regions. Here, we report the crystal structure of one of the allergens from Blo t, recombinant proBlo t 1 (rproBlo t 1), determined at 2.1 Å resolution. Overall, the fold of rproBlo t 1 is characteristic for the pro-form of cysteine proteases from the C1A class. Structural comparison of experimentally mapped Der f 1/Der p1 IgG epitopes to the same surface patch on Blo t 1, as well as of sequence identity of surface exposed residues, suggests limited cross-reactivity between these allergens and Blo t 1. This is in agreement with ELISA inhibition results showing that, although cross-reactive human IgE epitopes exist, there are unique IgE epitopes for both Blo t 1 and Der p 1. This article is protected by copyright. All rights reserved.
U2 - 10.1111/all.13111
DO - 10.1111/all.13111
M3 - Journal article
C2 - 27997997
VL - 72
SP - 665
EP - 670
JO - Allergy: European Journal of Allergy and Clinical Immunology
JF - Allergy: European Journal of Allergy and Clinical Immunology
SN - 0105-4538
IS - 4
M1 - 13111
ER -
ID: 172100696