ArticleJACS Au2025
A Highly Reactive Cysteine-Targeted Acrylophenone Chemical Probe That Enables Peptide/Protein Bioconjugation and Chemoproteomics Analysis.
Article in JACS Au, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A cysteine reactive chloroalkane probe enables HaloTag ligation for downstream chemical proteomics analysis.RSC chemical biology · 2026Article
- A Global Ligandability Map of Tryptoline Butynamide Stereoprobes Identifies Covalent Inhibitors of the Actin Maturation Protease.Journal of the American Chemical Society · 2026Article
- A Global Ligandability Map of Tryptoline Butynamide Stereoprobes Identifies Covalent Inhibitors of the Actin Maturation Protease ACTMAP.bioRxiv : the preprint server for biology · 2026Article
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Authors and funding
14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
To date, a variety of covalent cysteine-reactive chemical probes have been reported. The most common ones include maleimide for bioconjugation and iodoacetamide alkyne (IAA) for chemoproteomics analyses. Their applicability, however, is limited due to, e.g., the hydrolytic lability of maleimide adducts and the slow reaction kinetics as well as the inability to record the entirety of the cysteinome with IAA. This is compounded by the missing potential to fine-tune their reactivity tailored to advanced applications. To generate a high-reactivity, cysteine-selective chemical probe with broad utility, we have performed an in-depth investigation into the acrylophenone scaffold. The aryl group connected to the vinyl ketone chemotype can be readily substituted, which provides the potential to fine-tune the reactivity and install a bioorthogonal handle. We took advantage of this feature by modifying acrylophenone-alkyne (APA) with two ortho chlorine groups to generate
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