2.6.1.4 Biosynthesis of secondary metabolites - 01110 - 2.6.1.4 glycine metabolism glycine metabolism - - 2.6.1.4 Glycine, serine and threonine metabolism - 00260 - 2.6.1.4 Glyoxylate and dicarboxylate metabolism - 00630 - 2.6.1.4 Metabolic pathways - 01100 - 2.6.1.4 photorespiration I - - PWY-181 2.6.1.4 photorespiration II - - PWY-8362 2.6.1.4 photorespiration III - - PWY-8363