期刊
CHEMISTRY & BIOLOGY
卷 22, 期 2, 页码 293-298出版社
CELL PRESS
DOI: 10.1016/j.chembiol.2014.11.019
关键词
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资金
- NSF [1151234]
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [1151234] Funding Source: National Science Foundation
There is a need for facile chemistries that allow for chemo-and regioselectivity in bioconjugation reactions. To address this need, we are pioneering site-specific bioconjugation methods that use formylglycine as a bioorthogonal handle on a protein surface. Here we introduce aldehyde-specific bioconjugation chemistry, the trapped-Knoevenagel ligation. The speed and stability of the trapped-Knoevenagel ligation further advances the repertoire of aldehyde-based bioconjugations and expands the toolbox for site-specific protein modifications. The trapped-Knoevenagel ligation reaction can be run at near neutral pH in the absence of catalysts to produce conjugates that are stable under physiological conditions. Using this new ligation, we generated an antibody-drug conjugate that demonstrates excellent efficacy in vitro and in vivo.
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