Predicted to enable thiol-dependent deubiquitinase. Acts upstream of or within several processes, including neuron apoptotic process; response to auditory stimulus; and sensory perception of sound. Located in cell-cell junction. Is expressed in olfactory epithelium; submandibular gland primordium; and tooth. Orthologous to human USP53 (ubiquitin specific peptidase 53). [provided by Alliance of Genome Resources, Apr 2022]