label: 1-(9Z,12Z-octadecadienoyl)-2-acyl-3-[beta-D-galactosyl]-sn-glycerol + 2 reduced [2Fe-2S]-[ferredoxin] + O2 + 2 H(+) <=> 1-(9Z,12Z,15Z-octadecatrienoyl)-2-acyl-3-[beta-D-galactosyl]-sn-glycerol + 2 oxidized [2Fe-2S]-[ferredoxin] + 2 H2O
label_lc: 1-(9z,12z-octadecadienoyl)-2-acyl-3-[beta-d-galactosyl]-sn-glycerol + 2 reduced [2fe-2s]-[ferredoxin] + o2 + 2 h(+) <=> 1-(9z,12z,15z-octadecatrienoyl)-2-acyl-3-[beta-d-galactosyl]-sn-glycerol + 2 oxidized [2fe-2s]-[ferredoxin] + 2 h2o