Predicted to enable signaling receptor binding activity. Predicted to be involved in animal organ development and intracellular signal transduction. Predicted to be located in extracellular region and plasma membrane. Predicted to be integral component of membrane. Predicted to be active in extracellular space. Is expressed in several structures, including connective tissue; embryo mesenchyme; integumental system; surface ectoderm; and uterus. Orthologous to human NRG4 (neuregulin 4). [provided by Alliance of Genome Resources, Apr 2022]