Direct-MS analysis of antibody-antigen complexes.
Direct-MS analysis of antibody-antigen complexes.
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DOI:
10.1002/pmic.202000300
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发表时间:
2021-11
期刊:
影响因子:
3.4
通讯作者:
Sharon M
中科院分区:
文献类型:
--
作者:
Vimer S;Ben-Nissan G;Marty M;Fleishman SJ;Sharon M
In recent decades, antibodies (Abs) have attracted the attention of academia and the biopharmaceutical industry due to their therapeutic properties and versatility in binding a vast spectrum of antigens. Different engineering strategies have been developed for optimizing Ab specificity, efficacy, affinity, stability and production, enabling systematic screening and analysis procedures for selecting lead candidates. This quality assessment is critical but usually demands time-consuming and labor-intensive purification procedures. Here, we harnessed the direct-mass spectrometry (direct-MS) approach, in which the analysis is carried out directly from the crude growth media, for the rapid, structural characterization of designed Abs. We demonstrate that properties such as stability, specificity and interactions with antigens can be defined, without the need for prior purification. This ty.
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通讯作者:
Zhang, Zhongqi
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