Predicted to enable RNA binding activity. Involved in embryo development. Predicted to be located in nuclear speck. Expressed in PVDL; PVDR; and gonad. Human ortholog(s) of this gene implicated in several diseases, including gastrointestinal system cancer (multiple); lung non-small cell carcinoma (multiple); and urinary system cancer (multiple). Is an ortholog of human SRSF1 (serine and arginine rich splicing factor 1).