Article
Tandem mass spectrometric analysis of (13)C-containing ions from a mixture of homologous peptides differing by one mass unit at a residue.
Journal of mass spectrometry : JMS - 1 Feb 2000
Wada Y, Hisada M, Kaneko R, Naoki H, Matsuo T
Abstract excerpt
Tandem mass spectrometry of a mixture of two peptides that differ from each other by a single mass unit due to mutation is presented. The mutant beta-globin of hemoglobin Hoshida is present along with the normal counterpart, and the amino acid substitution of glutamine for glutamic acid is located within tryptic peptide T5 of M(r) 2057. 9. The mass of the mutated peptide is 1 u lower. In the isotopic cluster for...
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