1.5.5.2 (5R)-carbapenem carboxylate biosynthesis (5R)-carbapenem carboxylate biosynthesis - - 1.5.5.2 Arginine and proline metabolism - 00330 - 1.5.5.2 Biosynthesis of secondary metabolites - 01110 - 1.5.5.2 Metabolic pathways - 01100 - 1.5.5.2 proline metabolism proline metabolism - - 1.5.5.2 L-citrulline biosynthesis - - CITRULBIO-PWY 1.5.5.2 L-proline degradation I - - PROUT-PWY 1.5.5.2 (5R)-carbapenem carboxylate biosynthesis - - PWY-5737 1.5.5.2 L-Ndelta-acetylornithine biosynthesis - - PWY-6922 1.5.5.2 proline to cytochrome bo oxidase electron transfer - - PWY0-1544