Table 1. List of Detected Tryptic Glycopeptides and Possible Glycosylation Sites^a.

subunit	position	sequence	glycan type	site
hCGα	52–63	NVTSESTCCVAK	N	N52
hCGα	76–91	VENHTACHCSTCYYHK	N	N78
hCGβ	9–20	CRPINATLAVEK	N	N13
hCGβ	21–43	EGCPVCITVNTTICAGYCPTMTR	N	N30
hCGβ	115–122	FQDSSSSK	O	S117–S120
hCGβ	123–133	APPPSLPSPSR	O	S127, S130, S132
hCGβ	132–145	LPGPSDTPILPQ	O	S138, T140

^aN and O glycosylation sites are indicated by boldface letters.