GO:0102549:   1-18:1-2-16:0-monogalactosyldiacylglycerol lipase activity
Catalysis of the reaction: 1-18:1-2-16:0-monogalactosyldiacylglycerol + H2O <=> sn-1-lyso-2-16:0-monogalactosyldiacylglycerol + oleate + H+