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. 2016 Sep 9;11(9):e0162824. doi: 10.1371/journal.pone.0162824

Table 1. Mass spectrometric data for selected 27 O-glycans obtained from human saliva.

UHPLC Peak Id	Average GU (PROC)	HILIC-UHPLC-ESI-MS
		Composition				Calculated [m/z]⁺	Registered [m/z]⁺	Probable structures
		Hex (H)	HexNAc (N)	Fucose (F)	Neu5Ac (S)	Calculated [m/z]⁺	Registered [m/z]⁺	Probable structures
1	1.40	0	1	1	0	587.38	587.32	-
2	1.51	1	0	1	0	546.38	546.30	F-H-PROC
3	1.63	0	2	1	0	791.45	790.41	F-N-N-PROC
4	1.66	1	1	0	0	603.39	603.32	H-N-PROC
5	1.81	1	1	1	0	749.45	749.38	F-H-N-PROC
6	2.21	1	1	1	0	749.45	749.38	F-H-N-PROC
7	2.30	1	1	0	1	894.48	894.42	S-H-N-PROC
8	2.45	1	2	0	0	806.46	806.40	N-(H)-N-PROC
9	2.48	1	2	0	0	806.46	806.40	N-(H)-N-PROC
10	2.57	1	1	2	0	895.5	895.44	S-(S-H)-N-ROC
11	2.61	1	2	1	0	952.51	952.46	N-(S-H)-N-ROC
12	2.64	1	3	0	0	1010.53	‎ 1009.48	H-N-(N)-N-ROC
13	2.82	1	2	1	0	952.51	952.46	N-(F)-H-N-ROC
14	2.87	2	2	0	0	969.5	968.46	-
15	2.98	1	1	0	1	894.48	894.42	S-(H)-N-PROC
16	3.05	1	3	1	0	1156.59	1155.54	S-H-N-(N)-N-PROC
17	3.28	2	2	0	0	968.52	968.46	H-(H-N)-N-PROC
18	3.41	1	2	2	0	1098.59	1098.52	N-(F)-H-(F)-N-PROC
19	3.69	3	1	0	0	927.1	927.43	-
20	3.73	2	2	1	0	1114.59	1114.51	H-N-(F-H)-N-PROC
21	3.78	2	2	1	0	1114.59	1114.51	H-N-(F-H)-N-PROC
22	3.85	2	2	0	1	1259.64	1259.55	S-H-N-H-N PROC
23	3.89	2	2	1	0	1114.59	1114.51	H-N-(F-H)-N-PROC
24	3.97	2	2	1	0	1114.58	1114.51	N-H-N-(F)-H-PROC
25	4.18	3	2	0	0	1130.58	1130.51	-
26	4.31	2	2	2	0	1260.65	1260.57	F-H-N-(F-H)-N-PROC
27	4.40	2	2	1	1	[703.00]²⁺	[703.31]²⁺	F-H-N-(S-H)-N-PROC