Nitrogen metabolism -- Nitrogen balance and protein turnover : protein and amino acids in human nutrition -- The role of vitamin B6 in amino acid metabolism -- Glycine, serine, and the one-carbon pool -- Amino acids synthesised from glutamate : glutamine, proline, ornithine, citrulline, and arginine -- Amino acids synthesised from aspartate : lysine, methionine (and cysteine), threonine and isoleucine -- The branched-chain amino acids, leucine, isoleucine, and valine -- Histidine -- The aromatic amino acids, phenylalanine, tyrosine, and tryptophan

1. Amino Acids -- metabolism