Title

Electron‐deficient p‐benzoyl‐L‐phenylalanine derivatives increase covalent chemical capture yields for protein–protein interactions

ACS Citation

Joiner, C. M.; Breen, M. E.; Mapp, A. K. Electron‐deficient p‐benzoyl‐l‐phenylalanine derivatives increase covalent chemical capture yields for protein–protein interactions. Protein Sci. 2019, 28, 1163-1170.

Abstract

The photoactivatable amino acid p‐benzoyl‐L‐phenylalanine (pBpa) has been used for the covalent capture of protein–protein interactions (PPIs) in vitro and in living cells. However, this technique often suffers from poor photocrosslinking yields due to the low reactivity of the active species. Here we demonstrate that the incorporation of halogenated pBpa analogs into proteins leads to increased crosslinking yields for protein–protein interactions. The analogs can be incorporated into live yeast and upon irradiation capture endogenous PPIs. Halogenated pBpas will extend the scope of PPIs that can be captured and expand the toolbox for mapping PPIs in their native environment.

Source Name

Protein Science

Publication Date

6-1-2019

Volume

28

Issue

6

Page(s)

1163-1170

Document Type

Citation

Citation Type

Article

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