Predicted to enable cholesterol binding activity; cholesterol transfer activity; and enzyme binding activity. Predicted to be involved in cholesterol homeostasis; cholesterol transport; and response to virus. Predicted to be located in extracellular space and lysosome. Human ortholog(s) of this gene implicated in Niemann-Pick disease and Niemann-Pick disease type C2. Orthologous to human NPC2 (NPC intracellular cholesterol transporter 2). [provided by Alliance of Genome Resources, Apr 2022]