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Proxygen GmbH is a startup company with the mission to develop therapies against cancer and other life-threatening diseases by reprogramming the cellular protein quality control system. Proxygen is focused on particular small molecules called “molecular glue degraders” which induce proximity between a disease-causing protein and an ubiquitin ligase. Consequently, the target protein is ubiquitinated and directed to the proteasome for degradation. Instead of merely blocking the function of harmful proteins, molecular glue degraders enable their complete, targeted and selective elimination. This outlines a clear avenue towards targeting otherwise undruggable proteins and is therefore seen as one of the most promising therapeutic innovations of the last decades.