Predicted to enable ATP binding activity; actin filament binding activity; and cytoskeletal motor activity. Predicted to be involved in muscle contraction. Predicted to act upstream of or within actin-mediated cell contraction; plasma membrane repair; and response to activity. Predicted to be located in several cellular components, including A band; Golgi apparatus; and actomyosin contractile ring. Predicted to be part of protein-containing complex. Human ortholog(s) of this gene implicated in inclusion body myositis and proximal myopathy and ophthalmoplegia. Orthologous to human MYH2 (myosin heavy chain 2). [provided by Alliance of Genome Resources, Apr 2022]