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Updated: Mar 31, 2026

Identification of Small Molecule-binding Proteins in a Native Cellular Environment by Live-cell Photoaffinity Labeling

Identification of Small Molecule-binding Proteins in a Native Cellular Environment by Live-cell Photoaffinity Labeling

Published on: September 20, 2016

Cell permeable affinity- and activity-based probes.

¹WorldWide Medicinal Chemistry, Pfizer, 610 Main Street, Cambridge, MA 02139, USA.

Future Medicinal Chemistry

|October 30, 2015

Summary

This summary is machine-generated.

Cell-permeable probes enable real-time monitoring of drug targets in living cells. This chemical biology approach offers a more accurate understanding of molecular pharmacology and disease mechanisms.

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Area of Science:

Chemical biology
Chemoproteomics
Molecular pharmacology

Background:

Chemical biology aids in discovering and validating therapeutic targets.
Activity- and affinity-based probes are promising tools in drug discovery.
Current methods often use cell lysates, which do not reflect intact cell biology.

Purpose of the Study:

Highlight advances in cell-permeable probes for studying drug targets.
Emphasize the application of these probes in living cells.
Showcase their utility in understanding molecular pharmacology and pathology.

Main Methods:

Review of recent developments in probe design.
Discussion of probe applications in living cell systems.
Focus on cell-permeable probes reporting on target activity and occupancy.

Main Results:

Cell-permeable probes allow for in vivo target engagement and selectivity assessment.
These probes provide a chemoproteomic approach for drug candidate validation.
Recent advances enable monitoring in a physiologically relevant cellular context.

Conclusions:

Cell-permeable probes offer a powerful method for studying drug targets in living cells.
This approach enhances the understanding of molecular pharmacology and pathology.
It represents a significant advancement over cell lysate-based methods for drug discovery.