Predicted to be involved in positive regulation of phagocytosis. Located in collagen-containing extracellular matrix. Is expressed in lung. Human ortholog(s) of this gene implicated in lung disease (multiple) and respiratory syncytial virus infectious disease. Orthologous to human SFTPA1 (surfactant protein A1) and SFTPA2 (surfactant protein A2). [provided by Alliance of Genome Resources, Apr 2022]