| 20080318262 | Protein Cleavage at Aspartic Acid Using Chemical Reagents - The present invention relates to the methods of identifying and quantifying polypeptides in a given sample by mass spectrometric analysis. More specifically, the invention provides the methods for sample preparation for proteomic analysis: the methods for the fragmentation of proteins into peptides with the specific cleavage rule (cleavage at amino-terminal or carboxyl-terminal of aspartic acid), which are suitable for the analysis by mass spectrometry apparatus. | 12-25-2008 |
