Predicted to enable mRNA binding activity. Predicted to be involved in mRNA splicing, via spliceosome. Predicted to be located in nuclear speck. Predicted to be part of U2-type catalytic step 2 spliceosome. Human ortholog(s) of this gene implicated in pontocerebellar hypoplasia. Orthologous to human CDC40 (cell division cycle 40). [provided by Alliance of Genome Resources, Apr 2022]