Binds cholesterol and may regulate the distribution and homeostasis of cholesterol in hair cells (PubMed:36317962). May play a role in angiogenesis (PubMed:35727972). {ECO:0000269|PubMed:35727972, ECO:0000269|PubMed:36317962}. This is the function of MINAR2 (membrane integral NOTCH2 associated receptor 2, ENSG00000186367).