Enables acid phosphatase activity; choline binding activity; and protein homodimerization activity. Involved in dephosphorylation. Located in Golgi cisterna; apical part of cell; and cytoplasmic vesicle. Human ortholog(s) of this gene implicated in prostate cancer. Orthologous to human ACP3 (acid phosphatase 3). [provided by Alliance of Genome Resources, Apr 2022]