3.1.1.3 Glycerolipid metabolism - 00561 - 3.1.1.3 lipid metabolism lipid metabolism - - 3.1.1.3 Metabolic pathways - 01100 - 3.1.1.3 retinol biosynthesis - - PWY-6857 3.1.1.3 triacylglycerol degradation - - LIPAS-PWY