Alteration of catalysis of CYP74C subfamily enzymes as a result of site-directed mutagenesis


287 Enzymes of the lipoxygenase signalling system— lipoxygenases and cytochromes P450 of the CYP74 family, which catalyze the formation of oxylipins, oxi dizing derivatives of fatty acids—play a key role in plant development and response to stressors [1–4]. There are three known kinds of CYP74 enzymes: two dehydrases, namely allene oxide synthase (AOS) and divinyl ether synthase (DES) and one isomerase, called hydroperoxide lyase (HPL).


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