TABLE 1.

Monosaccharide composition of gp120 produced by different cell lines determined by gas-liquid chromatography

Data are expressed as average from two experiments relative to standard sugars and normalized to internal standard, based on the area under the peak in the chromatograms.

Sugar	293T	Jurkat	RD	HT1080	HepG2	CHO
Fucose	0.21	0.17	0.08	0.20	0.33	0.17
Mannose	3.21	2.19	1.39	2.77	2.16	2.32
Galactose	0.78	0.58	0.42	1.09	1.02	0.63
Glucose	0.19	0.07	0.13	0.07	0.05	0.10
Internal standard	1.00	1.00	1.00	1.00	1.00	1.00
GlcNAc	2.08	1.37	0.59	1.70	1.74	1.27
GalNAc	0.12	NDa	ND	0.21	0.13	0.08
Sialic acid	0.59	0.38	0.31	0.63	0.89	0.66

^a ND, not detected.