LASIC: Light Activated Site-Specific Conjugation of Native IgGs.
LASIC: Light Activated Site-Specific Conjugation of Native IgGs.
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DOI:
10.1021/acs.bioconjchem.5b00275
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发表时间:
2015-08-19
影响因子:
4.7
通讯作者:
Tsourkas A
中科院分区:
文献类型:
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作者:
Hui JZ;Tamsen S;Song Y;Tsourkas A
Numerous biological applications, from diagnostic assays to immunotherapies, rely on the use of antibody-conjugates. The efficacy of these conjugates can be significantly influenced by the site at which Immunoglobulin G (IgG) is modified. Current methods that provide control over the conjugation site, however, suffer from a number of shortfalls and often require large investments of time and cost. We have developed a novel adapter protein that, when activated by long wavelength UV light, can covalently and site-specifically label the Fc region of nearly any native, full-length IgG, including all human IgG subclasses. Labeling occurs with unprecedented efficiency and speed (>90% after 30 min), with no effect on IgG affinity. The adapter domain can be bacterially expressed and customized to contain a variety of moieties (e.g. biotin, azide, fluorophores), making reliable and efficient conjugation of antibodies widely accessible to researchers at large.
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影响因子:
7.4
作者:
Warden-Rothman, Robert;Caturegli, Ilaria;Popik, Vladimir;Tsourkas, Andrew
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