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. Author manuscript; available in PMC: 2019 Apr 3.
Published in final edited form as: ACS Chem Biol. 2018 Mar 27;13(5):1137–1141. doi: 10.1021/acschembio.8b00021

Figure 1.

Figure 1.

A general strategy to capture PTM-triggered PPIs. a) PTM of proteins can directly or indirectly trigger new PPIs. b) Site-specific incorporation of both a PTM (such as AcK) and a photoaffinity probe (such as pBpA) will yield “protein probes” capable of covalently capturing such PTM-mediated PPIs.