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. 2023 Jan 12;13:606. doi: 10.1038/s41598-023-27382-0

Table 1.

MS data collection parameters for a targeted PRM analysis, and the transitions used for quantitation of the tryptic glycopeptides of IgG and HPX.

Glycopeptide Glycan structure Mass [m/z] CS [z] Polarity Start (min) End (min) NCE Transitions
G0- EEQYN297STYR graphic file with name 41598_2023_27382_Figa_HTML.gif 830.001 3  +  1 2.5 12 1141.2–1143.2
G0N-EEQYN297STYR graphic file with name 41598_2023_27382_Figb_HTML.gif 897.694 3  +  1 2.5 12 1242.6–1244.6
G0FN-EEQYN297STYR graphic file with name 41598_2023_27382_Figc_HTML.gif 946.38 3  +  1 2.5 12 1317.3–1319.3
G0F-EEQYN297STYR graphic file with name 41598_2023_27382_Figd_HTML.gif 878.687 3  +  1 2.5 12 1215.7–1217.7
G1- EEQYN297STYR graphic file with name 41598_2023_27382_Fige_HTML.gif 884.018 3  +  1 2.5 12 1141.2–1143.2
G1N- EEQYN297STYR graphic file with name 41598_2023_27382_Figf_HTML.gif 951.712 3  +  1 2.5 12 1242.6–1244.6
G1FN- EEQYN297STYR graphic file with name 41598_2023_27382_Figg_HTML.gif 1000.398 3  +  1 2.5 12 1317.3–1319.3
G1F- EEQYN297STYR graphic file with name 41598_2023_27382_Figh_HTML.gif 932.704 3  +  1 2.5 12 1215.7–1217.7
HexNAc(1)Hex(1)Neu5Ac(1) T24PLPPTSAHGNVAEGETKPDPVTER graphic file with name 41598_2023_27382_Figi_HTML.gif 843.6 4  +  2.4 4 20 905.5–907.0
HexNAc(1)Hex(1)Neu5Ac(2) T24PLPPTSAHGNVAEGETKPDPVTER graphic file with name 41598_2023_27382_Figj_HTML.gif 916.4 4  +  2.4 4 20 905.5–907.0

IgG peptide

GPSVFPLAPSSK

593.8 2  +  2.6 4 35 417.9–419.9, 699.0–701.0, 846.0–848.0

*HexNAc: blue rectangle (GlcNAc), yellow rectangle (GalNAc).

Hex: green circle (Man), yellow circle (Gal).

Red triangle (Fuc).

Purple diamond (Neu5Ac).

The glycan structure of the peptides is shown.*