2.5.1.6 2'-deoxymugineic acid phytosiderophore biosynthesis - - PWY-5912 2.5.1.6 Biosynthesis of secondary metabolites - 01110 - 2.5.1.6 Cysteine and methionine metabolism - 00270 - 2.5.1.6 ethene biosynthesis I (plants) - - ETHYL-PWY 2.5.1.6 L-methionine degradation I (to L-homocysteine) - - METHIONINE-DEG1-PWY 2.5.1.6 Metabolic pathways - 01100 - 2.5.1.6 methionine metabolism methionine metabolism - - 2.5.1.6 S-adenosyl-L-methionine biosynthesis - - SAM-PWY 2.5.1.6 S-adenosyl-L-methionine salvage I - - PWY-6151 2.5.1.6 S-adenosyl-L-methionine salvage II - - PWY-5041