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Correctly identifying candidate drugs for protein targets is crucial for drug discovery. Despite the importance of this problem for the pharmaceutical industry, chemical screening remains a challenging task, and drug–target misidentification may contribute to failures in drug development. In their recent study, Sauer and colleagues (Holbrook‐Smith et al, 2022) demonstrate proof‐of‐concept for a new way to identify drug–target interactions using high‐throughput metabolomics, potentially paving the way towards a universal method for predicting drug–target relationships.