Enables fatty acid alpha-hydroxylase activity. Involved in galactosylceramide biosynthetic process. Predicted to be located in membrane. Predicted to be active in endoplasmic reticulum. Human ortholog(s) of this gene implicated in hereditary spastic paraplegia 35. Orthologous to human FA2H (fatty acid 2-hydroxylase). [provided by Alliance of Genome Resources, Apr 2022]