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Annotated CID MS/MS spectra of NCAM2 derived peptides. A, Phosphopeptide ITNHEDGSPVNEPNETTPLTEPEK [1006. 1420 m/z (3+, 3.02ppm)] with the underlined serine corresponding to phosphorylated Ser-786 and; B, Formerly sialylated N-linked glycopeptide NTTHLK [501.7949 m/z (2+, 0.22ppm)] with the underlined asparagine corresponding to the formerly glycosylated Asn-445. Inserts show iTRAQ reporter regions from the corresponding HCD MS/MS spectra.
