L-VALINE CATABOLISM, L-ISOLEUCINE CATABOLISM, L-LEUCINE CATABOLISM, L-LYSINE CATABOLISM,
L-METHIONINE CYCLE, L-METHIONINE SALVAGE PATHWAY,
L-CYSTEINE BIOSYNTHESIS, L-PROLINE BIOSYNTHESIS
L-SERINE BIOSYNTHESIS, GLYCINE BIOSYNTHESIS,
GLYCINE CLEAVAGE SYSTEM,
L-PHENYLALANINE AND L-TYROSINE METABOLISM, L-ASPARTATE AND L-ASPARAGINE METABOLISM, L-GLUTAMATE AND L-GLUTAMINE METABOLISM,



