Predicted to enable RNA polymerase II complex binding activity and mRNA binding activity. Predicted to be involved in mRNA polyadenylation and termination of RNA polymerase II transcription. Predicted to be located in mitochondrion and nucleoplasm. Predicted to be part of mRNA cleavage factor complex. Predicted to be active in cytoplasm. Orthologous to human PCF11 (PCF11 cleavage and polyadenylation factor subunit). [provided by Alliance of Genome Resources, Apr 2022]