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Table 2 N -glycan microheterogeneity of human GGT1 expressed in Pichia pastoris as determined by LC-MS/MS (see Figure 4 )

From: Detection of distinct glycosylation patterns on human γ-glutamyl transpeptidase 1 using antibody-lectin sandwich array (ALSA) technology

hGGT1     
N -glycosylation   Theoretical Mass MS/MS
Site N -glycan Mass Measured Support
   [M + 3H] + 3  
N120 Man8GlcNAc2 1131.1307 1131.1153
  Man9GlcNAc2 1185.1483 1185.1520
  Man10GlcNAc2 1239.1659 1239.1576
  Man11GlcNAc2 1293.1835 1293.1609
  Man12GlcNAc2 1347.2011 1347.1885
  Man13GlcNAc2 1401.2187 1401.2055
   [M + 3H] + 3  
N344 Man7GlcNAc2 985.7410 985.7221
  Man8GlcNAc2 1039.7586 1039.7490
  Man9GlcNAc2 1093.7762 1093.7745
  Man10GlcNAc2 1147.7938 1147.7869
  Man11GlcNAc2 1201.8114 1201.8104
  Man12GlcNAc2 1255.829 1255.8137
   [M + 3H] + 3  
N511 Man8GlcNAc2 1112.8331 1112.8189  
  Man9GlcNAc2 1166.8507 1166.8450
  Man10GlcNAc2 1220.8683 1220.8614
  Man11GlcNAc2 1274.8859 1274.8865
  Man12GlcNAc2 1328.9035 1328.8865
  Man13GlcnNAc2 1382.9211 1832.9140