Predicted to enable RNA binding activity. Acts upstream of or within negative regulation of mRNA splicing, via spliceosome. Predicted to be located in cytoplasm and nucleus. Predicted to be part of ribonucleoprotein complex. Is expressed in several structures, including genitourinary system; heart; liver; lung; and spleen. Orthologous to human RBM42 (RNA binding motif protein 42). [provided by Alliance of Genome Resources, Apr 2022]