Work

Assessing Enzyme Activities Using Stable Isotope Labeling and Mass Spectrometry

Year: 2007

Type: article

Abstract: Activity-based protein profiling has emerged as a valuable technology for labeling, enriching, and assessing protein activities from complex mixtures. This is primarily accomplished via a two-step identification and quantification process. Here we show a highly quantitative and streamlined method, termed catch-and-release activity profiling of enzymes (CAPE), which reduces this procedure to a single step. Furthermore the CAPE approach has the ability to detect small quantitative changes that may have been missed by alternative mass spectrometry-based techniques.

Source: Molecular & Cellular Proteomics

DOI: 10.1074/mcp.m700057-mcp200