MS/MS spectrum  
 
 
 SRM transitions  
Transition ID Precursor m/z Precursor charge Fragment m/z Relative intensity
HGHFGWPGWEmGPPGNWSPRPPR.4.b6.1 664.561 4 722.316 100
HGHFGWPGWEmGPPGNWSPRPPR.4.y2.1 664.561 4 272.172 57
HGHFGWPGWEmGPPGNWSPRPPR.4.y1.1 664.561 4 175.119 54
HGHFGWPGWEmGPPGNWSPRPPR.4.b2.1 664.561 4 195.088 51
HGHFGWPGWEmGPPGNWSPRPPR.4.b8.1 664.561 4 876.39 33
HGHFGWPGWEmGPPGNWSPRPPR.4.y3.1 664.561 4 369.224 32
HGHFGWPGWEmGPPGNWSPRPPR.4.b5.1 664.561 4 536.236 21