Predicted to enable ABC-type sterol transporter activity; protein heterodimerization activity; and protein homodimerization activity. Predicted to be involved in cholesterol efflux and cholesterol homeostasis. Predicted to act upstream of or within cellular response to leukemia inhibitory factor. Predicted to be located in endosome membrane. Predicted to be active in plasma membrane. Orthologous to human ABCG4 (ATP binding cassette subfamily G member 4). [provided by Alliance of Genome Resources, Apr 2022]