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Free keywords:
Littoralis sex-pheromone; delta(9) desaturase; (z;e)-9;11-
tetradecadienoic acid; (e)-11-tetradecenoic acid; diiron
proteins; fatty-acids; biosynthesis; cryptoregiochemistry;
stereospecificity; oxidation
Abstract:
The simultaneous formation of E and Z double bonds results from the syn elimination of H and/or D atoms from different conformations of 4‐hydroxysphinganine [D4]1. Δ8‐Sphingolipid desaturase from Helianthus annuus is heterologously expressed in yeast and catalyzes the transformation to E olefin 2 (88%) and Z olefin 3 (12%).