title: The chromatographic determination of cystine and cysteine residues in proteins as s-beta-(4-pyridylethyl)cysteine.
mesh_terms: D000478:Alkylation; D000596:Amino Acids / Q000032:analysis; D002852:Chromatography, Ion Exchange; D003545:Cysteine / Q000032:analysis*; D003553:Cystine / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D008623:Mercaptoethanol; D008722:Methods; D010084:Oxidation-Reduction; D011506:Proteins / Q000032:analysis*; D011725:Pyridines; D012639:Seeds / Q000032:analysis; D013440:Sulfides; D013997:Time Factors
chemical_list: D000596:Amino Acids; D011506:Proteins; D011725:Pyridines; D013440:Sulfides; D003553:Cystine; D008623:Mercaptoethanol; D003545:Cysteine