Predicted to enable inositol monophosphate 1-phosphatase activity and protein homodimerization activity. Predicted to be involved in inositol metabolic process; inositol phosphate dephosphorylation; and signal transduction. Predicted to be located in cytoplasm. Human ortholog(s) of this gene implicated in bipolar disorder and schizophrenia. Orthologous to human IMPA2 (inositol monophosphatase 2). [provided by Alliance of Genome Resources, Apr 2022]