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. 2005 Nov 24;61(Pt 12):1069–1074. doi: 10.1107/S1744309105036559

Table 1. Revised Fast Screen (RFS) crystallization conditions.

Condition No. Final pH Salt Buffer Precipitant
1 4.6 0.2M CaCl2 0.1M acetate pH 4.6 30% MPD
2 7.3   0.1M HEPES pH 7.5 40% MPD
3 6.4 0.2M magnesium acetate 0.1M PIPES pH 6.5 30% MPD
4 6.4 0.2M sodium acetate 0.1M citrate pH 5.6 30% MPD
5 6.1   0.1M Tris pH 8.5 1.8M ammonium phosphate
6 6.1   0.1M citrate pH 5.6 1.5M ammonium phosphate
7 6.5     2M sodium/potassium phosphate pH 6.5
8 6.9 0.2M NaCl   2M sodium/potassium phosphate pH 7.0
9 6.7   0.1M PIPES pH 6.5 1.4M sodium acetate
10 7.5   0.1M imidazole pH 7.5 1M sodium acetate/10% PEG 1550
11 7.7   0.1M HEPES pH 7.5 1.4M sodium citrate
12 7.6   0.1M HEPES pH 7.5 1.5M Li2SO4
13 7.6   0.1M HEPES pH 7.5 0.8M sodium/potassium tartrate
14 7.5     4M sodium formate
15 5.0   0.1M acetate pH 4.6 1.8M sodium formate
16 8.0   0.1M Tris pH 8.5 2M ammonium sulfate
17 6.6   0.1M PIPES pH 6.5 2 M ammonium sulfate
18 7.5   0.1M HEPES pH 7.5 2M ammonium sulfate/5% PEG 400
19 4.4   0.1M sodium acetate pH 4.6 2M ammonium sulfate
20 7.3 0.2M MgCl2 0.1M HEPES pH 7.5 30% PEG 4000
21 8.7 0.2M Li2SO4 0.1M Tris pH 8.5 30% PEG 4000
22 5.5 0.2M ammonium acetate 0.1M acetate pH 4.6 30% PEG 4000
23 6.4 0.2M ammonium acetate 0.1M citrate pH 5.6 30% PEG 4000
24 4.8 0.2M ammonium sulfate 0.1M acetate pH 4.6 30% PEG 4000
25 7.0 0.2M ammonium sulfate 0.1M HEPES pH 7.0 30% PEG 4000
26 6.9   0.1M cacodylate pH 6.5 30% PEG 4000
27 8.7 0.2M sodium acetate 0.1M Tris pH 8.5 30% PEG 4000
28 6.4   0.1M citrate pH 5.6 20% PEG 4000/10% 2-propanol
29 7.5   0.1M HEPES pH 7.5 20% PEG 4000/5% 2-propanol
30 6.7 0.14M sodium citrate 0.1M citrate pH 5.6 20% PEG 8000/10% 2-propanol
31 7.3 0.2M MgCl2 0.1M HEPES pH 7.5 20% PEG 8000/10% 2-propanol
32 7.1 0.2M sodium citrate 0.1M HEPES pH 7.0 20% PEG 8000/10% 2-propanol
33 6.5 0.2M magnesium acetate 0.1M PIPES pH 6.5 20% PEG 8000
34 6.6 0.2M sodium acetate 0.1M PIPES pH 6.5 30% PEG 8000
35 6.4 0.2M ammonium sulfate 0.1M PIPES pH 6.5 30% PEG 8000
36 8.5   0.1M Tris pH 8.5 15% PEG 8000
37 8.0   0.05M potassium phosphate pH 7.5 25% PEG 8000
38 6.4 0.2M zinc acetate 0.1M PIPES pH 6.5 20% PEG 8000
39 6.5 0.2M calcium acetate 0.1M PIPES pH 6.5 20% PEG 8000
40 7.7 0.2M NaCl 0.1M potassium phosphate pH 7.5 25% PEG 8000
41 6.25 0.5M Li2SO4   15% PEG 8000
42 7.2 0.2M CaCl2 0.1M HEPES pH 7.5 25% PEG 400
43 8.9 0.2M sodium citrate 0.1M Tris pH 8.5 30% PEG 1550
44 7.4 0.2M MgCl2 0.1M HEPES pH 7.5 30% PEG 1550
45 6.5   0.1M PIPES pH 6.5 30% PEG 1550
46 8.2 0.2M ammonium acetate 0.1M Tris pH 8.5 20% 2-propanol
47 4.6 0.2M CaCl2 0.1M acetate pH 4.6 20% 2-propanol
48 7.4 0.14M sodium citrate 0.1M HEPES pH 7.5 20% 2-propanol