label: plasmanylethanolamine desaturase activity
label_lc: plasmanylethanolamine desaturase activity
description: "Catalysis of the reaction:1-(1,2-saturated alkyl)-2-acyl-sn-glycero-3-phosphoethanolamine + 2 Fe(II)-[cytochrome b5] + 2 H+ + O2 = 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphoethanolamine + 2 Fe(III)-[cytochrome b5] + 2 H2O."