CPR-4 is a thiol protease that exhibits activity against the fluorogenic substrate z-Arg-Arg-AMC.
Gene References Into Functions
Using *Caenorhabditis elegans* as a model system for studying radiation-induced bystander effects, CPR-4, a homologue of human cathepsin B, was identified as the first RIBE factor in nematodes. PMID: 28723894