Chapter title |
Probing proteomes with benzophenone photoprobes.
|
---|---|
Chapter number | 6 |
Book title |
Chemical Proteomics
|
Published in |
Methods in molecular biology, January 2012
|
DOI | 10.1007/978-1-61779-364-6_6 |
Pubmed ID | |
Book ISBNs |
978-1-61779-363-9, 978-1-61779-364-6
|
Authors |
Akira Kawamura, Doina M. Mihai, Kawamura, Akira, Mihai, Doina M. |
Abstract |
Benzophenone photoprobes represent powerful tools for chemical proteomics. Upon UV irradiation, a benzophenone photoprobe can selectively form a covalent bond with its target protein in complex protein mixtures. Thus, photoprobes can be used to profile a wide variety of proteins in complex proteomes. This chapter describes simple protocols to derivatize fluorenylmethyloxycarbonyl (Fmoc)-protected peptide-nucleic-acid adenine (PNA adenine) into a benzophenone photoprobe and its application in photolabeling its target proteins. The method as described does not require specialized equipment for probe synthesis and photolabeling. In addition, the strategy is applicable to recognition motifs other than PNA adenine, such as peptides, to profile their target proteins in complex proteomes. |
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