1.13.11.77 alpha-linolenate + O2 - 1.13.11.77 linoleate + O2 - 1.13.11.77 linoleate + O2 100% activity 1.13.11.77 oleate + O2 - 1.13.11.77 oleate + O2 preferred substrate 1.13.11.77 oleate + O2 46% activity compared to linoleate