. Author manuscript; available in PMC: 2010 Feb 1.

Published in final edited form as: J Proteome Res. 2009 Feb;8(2):631–642. doi: 10.1021/pr800758g

Table 1.

Composition of the Core 1 type glycans determined for each glycosylation site in glycopeptide 289 - 302

Glycoform	Experimental MW (Da)	Theoretical MW (Da)	Retention time (min)	Occupied sites observed in peptide 289 - 302
Glycoform	Experimental MW (Da)	Theoretical MW (Da)	Retention time (min)	Thr 291	Thr 292
a	1371.3	1371.69	20.8	-	-
b	1574.3	1574.77	20.6	-	GalNAc
c	1736.2	1736.82	20.4	-	GalNAcGal
d	1777.5	1777.85	20.4	GalNAc	GalNAc
e	1939.4	1939.90	19.8	GalNAc	GalNAcGal
f	2027.3	2027.92	20.7	-	GalNAcGalSA
g	2101.4	2101.95	19.5	GalNAcGal	GalNAcGal
h	2230.3	2230.99	20.3	GalNAc	GalNAcGalSA
i	2392.3	2393.05	20.1	GalNAcGal	GalNAcGalSA
j	2683.3	2684.14	20.2	GalNAcGalSA	GalNAcGalSA