Predicted to enable ATP binding activity; actin binding activity; and cytoskeletal motor activity. Predicted to act upstream of or within cardiac muscle cell development; in utero embryonic development; and vasculogenesis. Predicted to be located in Z disc. Predicted to be part of filamentous actin and unconventional myosin complex. Human ortholog(s) of this gene implicated in Klippel-Feil syndrome 4. Orthologous to human MYO18B (myosin XVIIIB). [provided by Alliance of Genome Resources, Apr 2022]