[EN] PHOTOAFFINITY PROBES<br/>[FR] SONDES DE PHOTOAFFINITÉ
申请人:PROMEGA CORP
公开号:WO2020191339A1
公开(公告)日:2020-09-24
Provided herein are compositions and methods for photoaffinity labeling of molecular targets. In particular, probes that specifically interact with cellular targets based on their affinity and are then covalently linked to the cellular target via a photoreactive group (PRG) on the probe.
Azido Push−Pull Fluorogens Photoactivate to Produce Bright Fluorescent Labels
作者:Samuel J. Lord、Hsiao-lu D. Lee、Reichel Samuel、Ryan Weber、Na Liu、Nicholas R. Conley、Michael A. Thompson、Robert J. Twieg、W. E. Moerner
DOI:10.1021/jp907080r
日期:2010.11.18
Dark azido push-pull chromophores have the ability to be photoactivated to produce bright fluorescent labels suitable for single-molecule imaging Upon illumination, the aryl azide functionality in the fluorogens participates in a photochemical conversion to an aryl amine thus restoring charge-transfer absorption and fluorescence Previously we reported that one compound DCDHF-V-P-azide was photoactivatable Here we demonstrate that the azide-to amine photoactivation process is generally applicable to a variety of push-pull chromophores, and we characterize the photophysical parameters including photoconversion quantum yield photostability and turn-on ratio Azido push-pull fluorogens provide a new class of photoactivatable single molecule probes for flourescent labeling and super-resolution microscopy Lastly we demonstrate that photoactivated push-pull dyes can insert into bonds of nearby biomolecules, simultaneously forming a covalent bond and becoming fluorescent (fluorogenic photoaffinity labeling)
PHOTOAFFINITY PROBES
申请人:Promega Corporation
公开号:US20200340982A1
公开(公告)日:2020-10-29
Provided herein are compositions and methods for photoaffinity labeling of molecular targets. In particular, probes that specifically interact with cellular targets based on their affinity and are then covalently linked to the cellular target via a photoreactive group (PRG) on the probe.