Predicted to enable mRNA 3'-UTR binding activity. Predicted to be involved in mRNA metabolic process; positive regulation of apoptotic process; and regulation of mRNA splicing, via spliceosome. Predicted to be located in nucleus. Predicted to be part of ASAP complex. Predicted to be active in cytoplasm and nucleoplasm. Orthologous to human RNPS1 (RNA binding protein with serine rich domain 1). [provided by Alliance of Genome Resources, Apr 2022]