title: Purification of peptides that contain methionine residues.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D002852:Chromatography, Ion Exchange / Q000379:methods; D007460:Iodoacetamide; D008715:Methionine / Q000032:analysis*; D010446:Peptide Fragments / Q000302:isolation & purification*; D011506:Proteins; D000254:Sodium-Potassium-Exchanging ATPase; D014357:Trypsin
chemical_list: D000596:Amino Acids; D010446:Peptide Fragments; D011506:Proteins; D008715:Methionine; D014357:Trypsin; D000254:Sodium-Potassium-Exchanging ATPase; D007460:Iodoacetamide