obsolete 1-18:1-2-16:2-monogalactosyldiacylglycerol synthase activity (obsolete GO:0102841)
OBSOLETE. Catalysis of the reaction: 1-18:1-2-16:1-monogalactosyldiacylglycerol + O2 + a reduced electron acceptor = 1-18:1-2-16:2-monogalactosyldiacylglycerol + 2 H2O + an oxidized electron acceptor.