Table 1. The template PGA screen.

	1	2	3	4	5	6
	5%(w/v) PGA-LM			5%(w/v) PGA-HM
	0.1 M NaOAc pH 4.5	0.1 M MES pH 6.5	0.1 M Tris pH 7.8	0.1 M NaOAc pH 4.5	0.1 M MES pH 6.5	0.1 M Tris pH 7.8
A	0.2 M MgCl2
B	0.2 M (NH4)2SO4
C	0.2 M Li2SO4
D	0.6 M Na2SO4
E	0.6 M sodium formate
F	0.2 M zinc acetate
G	0.2 M KSCN
H	0.2 M KBr