Predicted to enable RNA lariat debranching enzyme activator activity. Predicted to be involved in mRNA splicing, via spliceosome. Predicted to be part of post-mRNA release spliceosomal complex. Human ortholog(s) of this gene implicated in autosomal recessive spinocerebellar ataxia 17. Orthologous to human CWF19L1 (CWF19 like cell cycle control factor 1). [provided by Alliance of Genome Resources, Apr 2022]