SGD Paper 
Tian R, et al. (2008) Chemical proteomic study of isoprenoid chain interactome with a synthetic photoaffinity probe. Proteomics 8(15):3094-104
Abstract: A chemical proteomic approach was developed for profiling the noncovalent interactome of isoprenoid chain in the yeast proteome. A chemical probe that harbors a biotin moiety and a photoreactive benzophenone group linked to the terminal of geranyl group was synthesized. Photoaffinity labeling was performed by incubating the Saccharomyces cerevisiae proteome and the probe under 365 nm UV light. Thirty proteins were identified by immobilized NeutraAvidin enrichment, on-bead digestion, online 2-D nano-LC/MS/MS identification and semi-quantitative proteomic analysis. As noted by Gene Ontology annotation, the identified proteins demonstrate a wide range of catalytic activity in several biological processes, especially in metabolism and biosynthesis. Further data analysis shows that hydrophobic binding of the synthetic probe is potentially the major interaction force leading to covalent labeling. These results argue that intracellular allosteric interactions conferred by the isoprenoid chain of the corresponding chemical structures may be widespread at an interactomic level.
| Status: Published | Type: Journal Article | PubMed ID: 18615431 |
Topics addressed in this paper
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| Topics | Topics not linked to Genes |
|---|---|
| Large-scale protein detection | 
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| Omics |
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