Table IV. Linkage analysis of the β-GlcY precipitate isolated from root caps including border cells and border-like cells of B. napus and pea.

The β-GlcY precipitate represents the soluble fraction of the cell surface that is either arabinogalactan proteins or covalently/strongly associated with arabinogalactan proteins. T, Terminal.

Linkage	B. napus	Pea
	mol %
T-Araf	9	3
T-Arap	1	3
5-Araf	15	7
2-Rha	1	6
2,4-Rha	9	3
T-Fuc	4	3
T-Xyl	3	3
4-Xyl	8	10
T-Gal	8	9
3-Gal	12	33
6-Gal	11	7
3,6-Gal	14	3
4-Man	4	9