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Figure 1 | Clinical Proteomics

Figure 1

From: O-GlcNAc profiling: from proteins to proteomes

Figure 1

Respective spectra from CID (A), ETD (B), HCD (C), and zoomed in HCD (D) of standard O -GlcNAc modified peptide CKII (PGGSTPV s SANMM, where ‘ s ’ represents the O -GlcNAc modified Ser). Note: “-HexNAc” or “-H2O” indicates the loss of HexNAc or H2O. Low m/z range HCD displays a distinctive pattern of HexNAc fragments (D). (Adapted from[53], with the permission from American Chemical Society)

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