Predicted to be a structural constituent of eye lens. Predicted to be involved in intermediate filament organization and lens fiber cell development. Predicted to act upstream of or within cell maturation. Predicted to be located in plasma membrane. Predicted to be active in cytoplasm and intermediate filament. Human ortholog(s) of this gene implicated in cataract 33. Orthologous to human BFSP1 (beaded filament structural protein 1). [provided by Alliance of Genome Resources, Apr 2022]