Delta-8 Desaturases and Their Use in Making Polyunsaturated Fatty Acids. Delta-8 Desaturases and Their Use in Making Polyunsaturated Fatty Acids. Sequence 155 from Patent WO2008100545. Sequence 477 from Patent WO2008124048. Sequence 30 from Patent WO2008124194. Sequence 31 from Patent WO2008124194. Sequence 30 from patent US 7790156. Sequence 31 from patent US 7790156. Sequence 155 from patent US 8013215. Sequence 30 from patent US 8188338. Sequence 31 from patent US 8188338. Sequence 30 from Patent WO2008124806. Sequence 31 from Patent WO2008124806.