oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water palmitoyl-[glycerolipid] 7-desaturase activity https://github.com/geneontology/go-ontology/issues/28070 https://github.com/geneontology/go-ontology/issues/28363 RHEA:46756 MetaCyc:RXN-1728 molecular_function Catalysis of the reaction: a 1-acyl-2-hexadecanoyl-glycerolipid + 2 H+ + O2 + 2 reduced [2Fe-2S]-[ferredoxin] = a 1-acyl-2-[(7Z)-hexadecenoyl]-glycerolipid + 2 H2O + 2 oxidized [2Fe-2S]-[ferredoxin]. MetaCyc:RXN-16048 GO:0102843 MetaCyc:RXN-8307 1-18:2-2-16:0-monogalactosyldiacylglycerol desaturase activity (SN2-16:1 forming) MetaCyc:RXN-8304 EC:1.14.19.42