Predicted to enable several functions, including STAT family protein binding activity; alpha-catenin binding activity; and beta-catenin binding activity. Involved in regulation of synapse organization. Is active in glutamatergic synapse. Is integral component of postsynaptic density membrane. Human ortholog(s) of this gene implicated in colorectal cancer and esophagus squamous cell carcinoma. Orthologous to human PTPRT (protein tyrosine phosphatase receptor type T). [provided by Alliance of Genome Resources, Apr 2022]