Automated description from the Alliance of Genome Resources (Release 5.2.2)
Enables cholesterol binding activity; cholesterol transfer activity; and phospholipid binding activity. Involved in cellular response to cholesterol and cholesterol homeostasis. Located in endoplasmic reticulum membrane; endoplasmic reticulum-plasma membrane contact site; and plasma membrane. Is expressed in several structures, including adrenal medulla; retina; and testis. Orthologous to human GRAMD1B (GRAM domain containing 1B).