The use of an Escherichia coli Lys- auxotroph to assay nutritionally available lysine in biological materials.
D004044:Dietary Proteins / Q000032:analysis* / Q000378:metabolism; D004926:Escherichia coli / Q000254:growth & development / Q000378:metabolism*; D005504:Food Analysis / Q000379:methods*; D008239:Lysine / Q000032:analysis* / Q000378:metabolism; D009154:Mutation; D010447:Peptide Hydrolases / Q000378:metabolism; D010455:Peptides / Q000378:metabolism; D010940:Plant Proteins / Q000032:analysis* / Q000378:metabolism; D012710:Serum Albumin, Bovine / Q000032:analysis / Q000378:metabolism
D004044:Dietary Proteins; D010455:Peptides; D010940:Plant Proteins; D012710:Serum Albumin, Bovine; D010447:Peptide Hydrolases; D008239:Lysine