Enables mRNA binding activity. Involved in regulation of myotube differentiation. Predicted to be located in cytoplasm. Predicted to be active in cytosol and nucleus. Is expressed in several structures, including central nervous system; early embryo; limb; oocyte; and sensory organ. Orthologous to human RBM38 (RNA binding motif protein 38). [provided by Alliance of Genome Resources, Apr 2022]