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. 2021 Sep 21;20:100150. doi: 10.1016/j.mcpro.2021.100150

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© 2021 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 1 — LC-MS base peak chromatograms of desialylated sulfated glycoforms, purified from serous ovarian tumor cyst fluids from patients with serous benignand malignant tumor.A, beningn tumor ("BEN") and B, malignant tumor ("MAL"). Major glycans are annotated using SNFG nomenclature. Sulfated glycans are annotated with name in black font and are listed in supplemental Table S1. Contaminants are labeled with ∗. In C, general structural theme of sulfated O-glycans from serous ovarian tumor cyst fluids is displayed. The GalNAc residue is linked to serine or threonine in the protein. Residues marked with arrows indicate identified sites for fucosylation or sulfation. Numbers in italics indicate that Gal-GlcNAc (highlighted in brackets) and NeuAc residues can occur 0, 1, 2, and 3 times in the molecule. Symbol key is according to the SNFG nomenclature for glycans (36).