. "The product (9Z,12Z)-(11S)-11-hydroperoxyoctadeca-9,12-dienoate, is converted, more slowly, into (9Z,11E)-(13R)-13-hydroperoxyoctadeca-9,11-dienoate." . "The enzyme from the fungus Gaeumannomyces graminis requires Mn(2+)." . "It also acts on alpha-linolenate, whereas gamma-linolenate is a poor substrate." . "Oleate and arachidonate are not substrates." . . . "Linoleate 11-lipoxygenase" . "Linoleate dioxygenase" . "Manganese lipoxygenase" . "Linoleate + O(2) = (9Z,12Z)-(11S)-11-hydroperoxyoctadeca-9,12-dienoate." . .