Predicted to enable double-stranded RNA binding activity and regulatory region RNA binding activity. Involved in myoblast differentiation. Acts upstream of or within several processes, including embryonic limb morphogenesis; mRNA splicing, via spliceosome; and skeletal muscle tissue development. Located in cytoplasm and nucleus. Is expressed in several structures, including branchial arch; central nervous system; early conceptus; genitourinary system; and limb bud. Used to study myotonic disease. Orthologous to human MBNL1 (muscleblind like splicing regulator 1). [provided by Alliance of Genome Resources, Apr 2022]