from Caribbean sea whip coral, Plexaura homomalla; bifunctional enzyme Hydroperoxidehydrase (EC 4.2.1.92) and Arachidonate 8-lipoxygenase (EC 1.13.11.40)enzymatic activities; responsible for allene oxide biosynthesis via a two-step reaction which involves conversion of arachidonic acid to a 8R-hydroperoxide intermediate followed by conversion of the hydroperoxide to allene oxide; the allene oxide is potential precursor of prostaglandin-like molecules; amino acid sequence in first source; GenBank AF003692
