Predicted to enable RNA binding activity. Predicted to be located in nucleus. Is expressed in ectoderm; musculoskeletal system; nervous system; and pharyngeal arch. Human ortholog(s) of this gene implicated in Nager acrofacial dysostosis; cervical cancer; and hepatocellular carcinoma. Orthologous to human SF3B4 (splicing factor 3b subunit 4).