Predicted to act upstream of or within RNA splicing and mRNA processing. Predicted to be located in nucleus. Predicted to be part of precatalytic spliceosome. Is expressed in several structures, including central nervous system; gut; male reproductive gland or organ; thymus; and urinary system. Orthologous to human PRPF38B (pre-mRNA processing factor 38B). [provided by Alliance of Genome Resources, Apr 2022]