Predicted to enable mRNA binding activity. Predicted to be involved in RNA 3'-end processing. Predicted to act upstream of or within mRNA processing. Predicted to be located in nucleoplasm. Predicted to be active in nucleus. Is expressed in several structures, including ganglia; liver; submandibular gland primordium; thymus primordium; and vibrissa. Orthologous to human CSTF3 (cleavage stimulation factor subunit 3). [provided by Alliance of Genome Resources, Apr 2022]