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Table 4 List of precursor and product ions considered for glucagon quantitation

From: 13C15N: glucagon-based novel isotope dilution mass spectrometry method for measurement of glucagon metabolism in humans

Targeted-SIM

Label

m/z ions

Light glucagon

871.4214_MS1

871.41; 871.66

F22 (IS)

873.6634_MS1

873.67; 873.92; 874.17

FF

876.4232_MS1

876.17; 876.42; 876.68

FFLA

878.4269_MS1

878.68; 878.93; 879.18

PRM

 Glucagon (light)

871.4214_MS2

1002.14 (b253+); 1002.47 (b253+); 1039.83 (b263+); 1040.17 (b263+); 1083.51 (b273+); 1083.85 (b273+)

 F22 (IS)

873.6634_MS2

1005.48 (b253+); 1005.82 (b253+); 1043.18 (b263+); 1043.51 (b263+); 1086.86 (b273+); 1087.19 (b273+)

 FF

876.4232_MS2

1008.82 (b253+); 1009.16 (b253+); 1046.85 (b263+); 1047.18 (b263+); 1090.20 (b273+); 1090.87 (b273+)

 FFLA

878.4269_MS2

1012.17 (b253+); 1012.84 (b253+); 1049.86 (b263+); 1050.19 (b263+); 1093.88 (b273+); 1094.21 (b273+)