Predicted to enable C-4 methylsterol oxidase activity and cholesterol 25-hydroxylase activity. Predicted to be involved in B cell chemotaxis; cholesterol metabolic process; and sterol biosynthetic process. Predicted to be integral component of membrane. Predicted to be active in endoplasmic reticulum membrane. Orthologous to human CH25H (cholesterol 25-hydroxylase). [provided by Alliance of Genome Resources, Apr 2022]