Term Name:	acyl-lipid (11-3)-desaturase activity
Synonyms:	acyl-lipid 8-desaturase, Delta(8)-desaturase, Delta8-sphingolipid desaturase activity
Definition:	Catalysis of the reaction: an (11Z,14Z)-icosadienoyl-containing glycerolipid + 2 Fe(II)-[cytochrome b5] + 2 H+ + O2 = an (8Z,11Z,14Z)-icosatrienoyl-containing glycerolipid + 2 Fe(III)-[cytochrome b5] + 2 H2O or an (11Z,14Z,17Z)-icosatrienoyl-containing glycerolipid + 2 Fe(II)-[cytochrome b5] + 2 H+ + O2 = an (8Z,11Z,14Z,17Z)-eicosatetraenoyl-containing glycerolipid + 2 Fe(III)-[cytochrome b5] + 2 H2O.
Ontology:	GO: Molecular Function [GO:0102003]    QuickGO    AmiGO