Predicted to enable cholesterol binding activity and protein homodimerization activity. Predicted to be involved in vesicle tethering to endoplasmic reticulum. Predicted to be located in endoplasmic reticulum-endosome membrane contact site and late endosome membrane. Predicted to colocalize with endoplasmic reticulum membrane. Is expressed in respiratory system cartilage; sensory organ; skeleton; and tarsus. Orthologous to human STARD3NL (STARD3 N-terminal like). [provided by Alliance of Genome Resources, Apr 2022]