title: Identification of phosphopeptides by chemical modification with an isotopic tag and ion trap mass spectrometry.
authors.forename: Maciej
authors.initials: M
authors.lastname: Adamczyk
authors.forename: John C
authors.initials: JC
authors.lastname: Gebler
authors.forename: Jiang
authors.initials: J
authors.lastname: Wu
mesh_terms: D000595:Amino Acid Sequence; D002364:Caseins / Q000737:chemistry; D008969:Molecular Sequence Data; D010748:Phosphopeptides / Q000737:chemistry*; D010766:Phosphorylation; D011492:Protein Hydrolysates / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization; D014357:Trypsin
chemical_list: D002364:Caseins; D010748:Phosphopeptides; D011492:Protein Hydrolysates; D014357:Trypsin