Enables mRNA binding activity. Predicted to be involved in negative regulation of mRNA modification. Predicted to act upstream of or within RNA splicing and mRNA processing. Located in pronucleus. Is expressed in several structures, including alimentary system; cardiovascular system; central nervous system; genitourinary system; and sensory organ. Orthologous to several human genes including HNRNPC (heterogeneous nuclear ribonucleoprotein C). [provided by Alliance of Genome Resources, Apr 2022]