label: 9,10-dihydroxystearate hydroxylase activity
label_lc: 9,10-dihydroxystearate hydroxylase activity
description: "Catalysis of the reaction: H+ + (9R,10S)-dihydroxystearate + O2 + NADPH = 9,10,18-trihydroxystearate + H2O + NADP."