Characterization of sialylated and fucosylated glycopeptides of beta2-glycoprotein I by a combination of HILIC LC and MALDI MS/MS.


Characterization of low microgram levels of glycoprotein remains a challenge due to extensive heterogeneity of the conjugated N-glycans at each individual glycosylation site. We present an optimized, sensitive workflow for glycopeptide isolation and characterization that exploits the complementary features of RP (Poros R2) and hydrophilic (zwitter-ionic… (More)
DOI: 10.1002/jssc.200900802


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