Site Sequence Modification m/z r.t.(min)
396 SNATTDEHGLVQF GlcNAc 811.4(+2) 25.76
    GlcNac-Fuc 884.6(+2) 25.60
410 SINTTNVMGTSL GlcNAc 720.9(+2) 28.62
    GlcNac-Fuc 794.0(+2) 28.55
869 AVTPKSLGNVNF GlcNAc 725.4(+2) 26.89
991 DYLNETQQL GlcNAc 664.1(+2) 26.79
1424 LDKVSNQTL GlcNAc 611.0(+2) 19.12
    GlcNac-Fuc 684.0(+2) 19.07
1424 IYLDKVSNQTL GlcNAc 749.0(+2) 25.65
    GlcNac-Fuc 822.0(+2) 25.70
Table 2: Glycosylation sites identified by CID MS/MS of Endo F3 treated chymotryptic N-glycopeptides of alpha-2-macroglobulin.