MS/MS spectrum  
 
 
 SRM transitions  
Transition ID Precursor m/z Precursor charge Fragment m/z Relative intensity
FSFccSPEPEAEAEAAAGPGPcER.2.y16.1 1313.54 2 1611.71 100
FSFccSPEPEAEAEAAAGPGPcER.2.y18.1 1313.54 2 1837.8 75
FSFccSPEPEAEAEAAAGPGPcER.2.y7.1 1313.54 2 772.341 60
FSFccSPEPEAEAEAAAGPGPcER.2.y6.1 1313.54 2 715.319 49
FSFccSPEPEAEAEAAAGPGPcER.2.y8.1 1313.54 2 843.378 44
FSFccSPEPEAEAEAAAGPGPcER.2.y10.1 1313.54 2 985.452 34
FSFccSPEPEAEAEAAAGPGPcER.2.y9.1 1313.54 2 914.415 32