Sequence 54 from Patent WO2007061845. Sequence 90 from Patent WO2007061742. Sequence 54 from Patent WO2007127381. DELTA 15 DESATURASES SUITABLE FOR ALTERING LEVELS OF POLYUNSATURATED FATTY ACIDS IN OLEAGINOUS PLANTS AND YEAST. DELTA-9 ELONGASES AND THEIR USE IN MAKING POLYUNSATURATED FATTY ACIDS. Sequence 90 from patent US 7645604. Sequence 78 from patent US 7659120. Sequence 54 from patent US 7943823. Sequence 90 from patent US 8048653. Sequence 54 from patent US 8049062. Sequence 54 from patent US 8058517. Sequence 78 from patent US 8273957. Sequence 54 from Patent EP2405012.