Predicted to enable thiol-dependent deubiquitinase and ubiquitin binding activity. Predicted to be involved in protein catabolic process and protein deubiquitination. Predicted to act upstream of or within proteolysis. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in cytoplasm. Is expressed in several structures, including central nervous system; jaw; sensory organ; submandibular gland primordium; and thymus primordium. Orthologous to human UCHL3 (ubiquitin C-terminal hydrolase L3). [provided by Alliance of Genome Resources, Apr 2022]