Predicted to enable mRNA binding activity. Predicted to be involved in pre-mRNA cleavage required for polyadenylation. Predicted to act upstream of or within mRNA processing. Predicted to be located in cleavage body. Predicted to be part of mRNA cleavage and polyadenylation specificity factor complex. Orthologous to human CSTF2 (cleavage stimulation factor subunit 2). [provided by Alliance of Genome Resources, Apr 2022]