Chemoproteomic profiling by a bioorthogonal probe reveals cell growth inhibition by histone H4 dopaminylation
Xi Mo,
Yinfeng Zhang,
Yaqi Yang
et al.
Abstract:Dopaminylation, the covalent attachment of dopamine to the side chain of glutamine (Gln, Q) in proteins, has been identified as a class of posttranslational modification. Due to the limited number of substrates, the functions and underlying molecular mechanisms of dopaminylation are not fully characterized. Utilizing an alkyne-functionalized dopamine probe, we have developed a method to selectively enrich dopaminylated proteins in the whole-cell context. We identified 4,133 proteins potentially modified with d… Show more
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