Predicted to enable actin filament binding activity; filamin binding activity; and tropomyosin binding activity. Predicted to be involved in cardiac muscle thin filament assembly. Predicted to be located in stress fiber. Predicted to be active in Z disc. Is expressed in brain and genitourinary system. Human ortholog(s) of this gene implicated in dilated cardiomyopathy. Orthologous to human NEBL (nebulette). [provided by Alliance of Genome Resources, Apr 2022]