Predicted to enable receptor ligand activity; receptor serine/threonine kinase binding activity; and telethonin binding activity. Involved in positive regulation of cardiac muscle hypertrophy and sarcomere organization. Predicted to be located in Z disc and cell surface. Predicted to be active in extracellular space. Orthologous to human BMP10 (bone morphogenetic protein 10). [provided by Alliance of Genome Resources, Apr 2022]