Predicted to enable cholesterol binding activity and sterol transporter activity. Predicted to be involved in sterol transport. Predicted to act upstream of or within spermatid development. Predicted to be located in apical dendrite. Predicted to be active in cytosol; perinuclear endoplasmic reticulum; and plasma membrane. Orthologous to human OSBP2 (oxysterol binding protein 2). [provided by Alliance of Genome Resources, Apr 2022]