Bridge, Thomas published the artcileSite-Specific Encoding of Photoactivity in Antibodies Enables Light-Mediated Antibody-Antigen Binding on Live Cells, Quality Control of 2418-95-3, the publication is Angewandte Chemie, International Edition (2019), 58(50), 17986-17993, database is CAplus and MEDLINE.
Antibodies found applications in several fields, including, medicine, diagnostics, and nanotechnol., yet methods to modulate antibody-antigen binding using an external agent remain limited. Here, the authors have developed photoactive antibody fragments by genetic site-specific replacement of single tyrosine residues with photocaged tyrosine, in an antibody fragment, 7D12. A simple and robust assay is adopted to evaluate the light-mediated binding of 7D12 mutants to its target, epidermal growth factor receptor (EGFR), on the surface of cancer cells. Presence of photocaged tyrosine reduces 7D12-EGFR binding affinity by over 20-fold in two out of three 7D12 mutants studied, and binding is restored upon exposure to 365 nm light. Mol. dynamics simulations explain the difference in effect of photocaging on 7D12-EGFR interaction among the mutants. Finally, the authors demonstrate the application of photoactive antibodies in delivering fluorophores to EGFR-pos. live cancer cells in a light-dependent manner.
Angewandte Chemie, International Edition published new progress about 2418-95-3. 2418-95-3 belongs to amides-buliding-blocks, auxiliary class Chiral,Carboxylic acid,Amine,Aliphatic hydrocarbon chain,Ester,Amino acide derivatives, name is H-Lys(Boc)-OH, and the molecular formula is C11H22N2O4, Quality Control of 2418-95-3.
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