MS/MS spectrum  
 
 
 SRM transitions  
Transition ID Precursor m/z Precursor charge Fragment m/z Relative intensity
GTGLYELWK.2.y2.1 554.787 2 333.192 100
GTGLYELWK.2.y5.1 554.787 2 738.382 98
GTGLYELWK.2.y7.1 554.787 2 908.488 61
GTGLYELWK.2.y3.1 554.787 2 446.276 53
GTGLYELWK.2.y4.1 554.787 2 575.319 48
GTGLYELWK.2.y6.1 554.787 2 851.466 15
GTGLYELWK.2.y4.2 554.787 2 288.163 12