Predicted to be a structural constituent of skin epidermis. Acts upstream of or within female gonad development and response to estradiol. Located in cytoplasm and nucleus. Is expressed in reproductive system and skin. Orthologous to several human genes including SPRR2A (small proline rich protein 2A); SPRR2B (small proline rich protein 2B); and SPRR2E (small proline rich protein 2E). [provided by Alliance of Genome Resources, Apr 2022]