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. Author manuscript; available in PMC: 2010 Jun 24.
Published in final edited form as: Brain Res. 2009 Feb 24;1277:24–36. doi: 10.1016/j.brainres.2009.02.026

Figure 5. Typical tandem mass spectrometry system.

Figure 5

A high performance liquid chromatography initial stage (HPLC) is followed by tandem mass spectrometers MS1 and MS2. MS1 gives peptide mass and MS2 give amino acid sequence of individual peptides. Analysis software and search engine assign multiple peptide sequences in protein identification.