1.1.1.102 ceramide biosynthesis ceramide biosynthesis - - 1.1.1.102 ceramide de novo biosynthesis - - PWY3DJ-12 1.1.1.102 Metabolic pathways - 01100 - 1.1.1.102 sphingolipid biosynthesis (plants) - - PWY-5129 1.1.1.102 sphingolipid biosynthesis (yeast) - - SPHINGOLIPID-SYN-PWY 1.1.1.102 Sphingolipid metabolism - 00600 -