has role is protonated form of secondary allylic alcohol dihydroxydocosahexaenoic acid protectin D1 A dihydroxydocosahexaenoic acid that is (4<i>Z</i>,7<i>Z</i>,11<i>E</i>,13<i>E</i>,15<i>Z</i>,19<i>Z</i>)-docosahexaenoic acid in which the two hydroxy substituents are located at positions 10 and 17 (the 10<i>R</i>,17<i>S</i>-stereoisomer). Protectin D1 is one of the specialised proresolving mediators. When produced in neural tissues, it is called neuroprotectin D1 CHEBI:138655 specialised pro-resolving mediator protectin protectin D1(1-) hepatoprotective agent neuroprotective agent apoptosis inhibitor PPARgamma agonist human xenobiotic metabolite