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. Author manuscript; available in PMC: 2012 Sep 2.
Published in final edited form as: J Proteome Res. 2011 Jul 25;10(9):4088–4104. doi: 10.1021/pr2002726

Table 4.

HexNAc Signature Ion Occurrence in HCD/ETD Analysis

204 186 168 144 138 126
O-GlcNAc Peptides 172 164 164 148 172 172
Corresponding Sites 83 76 77 70 83 83
Prevalence 100% 95.35% 93.02% 74.42% 100% 100%