PC6-1 : Site-specific N-Glycan Profile Analysis

Test Introduction

PC6-2 is a test method for N-glycan structure analysis of glycoprotein. It defines a structure of glycan and glycan structure that linked each site of amino acids. In a case of glycoprotein that has more than two glycosylation sites, then it is possible to reveal details of the glycan of protein by confirming the structure of glycan in each glycosylation site.

Sample

  • Biosimilar
  • Biobetter
  • Antibody
  • Antibody-drug conjugates
  • Recombinant protein drug
  • Toxin
  • vaccine

Analysis Process

  • Protease Digestion
  • LC-MS, LC-MS/MS
  • Characterization
    of peaks
  • Site-specific N-glycan profile
    Data interpretation

Analysis Result

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Sample Modifiers Theoretical mass Obserced mass(Da) RT(Min) Intensity(Counts) Error(ppm) %
Modified
PROTEINWORKS G1F+1SA 2962.172 2962.181 11.3 3708 3.2 0.55
G2F+1SA 3124.172 3124.205 11.2 90396 10.7 13.33
G2F+2SA 3415.266 3415.307 11.3 270356 11.9 39.85
G3F 3198.208 3198.245 10.8 6548 11.7 0.97
G3F+1SA 3489.303 3489.356 11.0 31584 11.7 0.97
G3F+2SA 3780.398 3780.437 11.1 71436 10.5 10.53
G3F+3SA 4071.492 4071.533 11.5 66532 10.0 9.81
G4F+1SA 3854.434 3854.432 10.9 13188 -0.4 1.94
G4F+2SA 4145.529 4145.564 10.9 33468 8.6 4.93
G4F+3SA 4436.624 4436.675 11.1 41956 11.6 6.18
G4F+1LN+2SA 4510.660 4510.679 10.7 11920 4.3 1.76
G4F+1LN+3SA 4801.755 4801.811 10.8 20856 11.8 3.07
G4F+2LN+2SA 4875.791 4875.758 10.7 8500 -6.7 1.25
G4F+2LN+3SA 5166.886 5166.941 10.7 7912 10.7 1.17