Sequence 26 from Patent WO2007127381. MUTANT DELTA-8 DESATURASE GENES ENGINEERED BY TARGETED MUTAGENSIS AND THEIR USE IN MAKING POLYUNSATURATED FATTY ACIDS. Sequence 68 from Patent WO2008063340. Sequence 185 from Patent WO2008073271. Sequence 185 from Patent WO2008073275. Sequence 185 from patent US 7709239. Sequence 68 from patent US 7863502. Sequence 26 from patent US 7943823. Sequence 185 from patent US 8017838. Sequence 185 from patent US 8026089. Sequence 26 from patent US 8058517. Sequence 26 from Patent EP2405012.