label: free fatty acid 2-hydroxylase activity
label_lc: free fatty acid 2-hydroxylase activity
description: "Catalysis of the reaction: a 1,2-saturated fatty acid + 2 Fe(II)-[cytochrome b5] + 2 H+ + O2 = a (R)-2-hydroxy fatty acid + 2 Fe(III)-[cytochrome b5] + H2O. Note that the substrate is a free fatty acid, not a fatty acyl chain within a sphingolipid."