Predicted to enable RNA binding activity. Predicted to be involved in mRNA splicing, via spliceosome. Predicted to act upstream of or within RNA splicing and mRNA processing. Predicted to be located in nucleus. Predicted to be part of U2 snRNP and U2-type precatalytic spliceosome. Orthologous to human RBMX2 (RNA binding motif protein X-linked 2). [provided by Alliance of Genome Resources, Apr 2022]