sulfur metabolic pathway metabolic pathway of other amino acids sulfur amino acid metabolic pathway 2023-03-27T14:29:14Z PW:0002653 Sulfur amino acid metabolism The chemical reactions and pathways involving the breakdown, interconversion and synthesis of amino acids containing sulfur, comprising cysteine, homocysteine, methionine and selenocysteine. Only plants and microorganisms employ all processes. gthayman pathway