Predicted to enable oxysterol 7-alpha-hydroxylase activity. Involved in several processes, including circadian rhythm; memory; and response to cAMP. Predicted to be located in endoplasmic reticulum membrane. Predicted to be integral component of membrane. Human ortholog(s) of this gene implicated in congenital bile acid synthesis defect 3 and hereditary spastic paraplegia 5A. Orthologous to human CYP7B1 (cytochrome P450 family 7 subfamily B member 1). [provided by Alliance of Genome Resources, Apr 2022]