期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 61, 期 1, 页码 61-67出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2006.11.004
关键词
immunoglobulin E; molten globule; fluorescence; CD; NMR; protein folding; protein-protein interactions
资金
- Medical Research Council [G0400503B] Funding Source: researchfish
- Medical Research Council [G0200486, G0001352] Funding Source: Medline
- MRC [G0200486, G0001352] Funding Source: UKRI
The interaction between IgE and its high affinity cellular receptor (Fc epsilon RI) is an essential step in the development of allergic responses. Studies have identified the third constant domain of IgE (C epsilon 3) as the receptor binding region. The C epsilon 3 domain has unusual structural features; it was found to be a 'molten globule' structure in an isolated form, only assuming a well structured form upon binding to Fc epsilon RL The conformational flexibility intrinsic to the receptor binding portion of the molecule may be useful to IgE in allowing the large allosteric changes postulated to be required for Fc epsilon RI engagement. If allosteric inhibitors can be developed then the dynamic properties of the C epsilon 3 domain may provide opportunities for therapeutic intervention in allergic disorders. (c) 2006 Elsevier Masson SAS. All rights reserved.
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