| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
5% |
100 |
β |
105 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
10% |
100 |
β |
85 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
5% |
100 |
β |
108 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
20% |
100 |
β |
25 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
40% |
100 |
β |
25 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
40% |
100 |
β |
19 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
20% |
100 |
β |
80 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
5% |
100 |
β |
120 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
10% |
100 |
β |
99 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
5% |
100 |
β |
124 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
10% |
100 |
β |
92 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
40% |
100 |
β |
6 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
20% |
100 |
β |
62 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
20% |
100 |
β |
38 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
10% |
100 |
β |
54 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| WT |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
40% |
100 |
β |
22 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
20% |
100 |
62 |
60 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
40% |
100 |
22 |
19 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
10% |
100 |
85 |
81 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
10% |
100 |
85 |
81 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
10% |
100 |
85 |
79 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
40% |
100 |
22 |
19 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
40% |
100 |
22 |
24 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
20% |
100 |
25 |
25 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
20% |
100 |
25 |
29 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
20% |
100 |
25 |
30 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
40% |
100 |
19 |
17 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
10% |
100 |
92 |
88 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
40% |
100 |
19 |
19 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
40% |
100 |
19 |
18 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
20% |
100 |
62 |
59 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
5% |
100 |
120 |
110 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
5% |
100 |
120 |
116 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
5% |
100 |
120 |
120 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
20% |
100 |
62 |
63 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
10% |
100 |
92 |
87 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Methanol |
10% |
100 |
92 |
88 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
5% |
100 |
124 |
123 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
5% |
100 |
105 |
106 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
5% |
100 |
105 |
110 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
5% |
100 |
105 |
112 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
10% |
100 |
54 |
54 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
10% |
100 |
54 |
54 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
10% |
100 |
54 |
56 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
20% |
100 |
38 |
36 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
20% |
100 |
38 |
40 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
20% |
100 |
38 |
31 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
40% |
100 |
6 |
2 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
40% |
100 |
6 |
3 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Acetone |
40% |
100 |
6 |
5 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
5% |
100 |
124 |
117 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
5% |
100 |
108 |
121 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
5% |
100 |
124 |
116 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
10% |
100 |
99 |
100 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
10% |
100 |
99 |
102 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
10% |
100 |
99 |
102 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
20% |
100 |
80 |
78 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
20% |
100 |
80 |
83 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
20% |
100 |
80 |
81 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
40% |
100 |
25 |
24 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
40% |
100 |
25 |
22 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V/V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Ethanol |
40% |
100 |
25 |
22 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| I140V |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
5% |
100 |
108 |
114 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |
| V197D |
Stability - Incubation |
Activity after incubation (1 hour at 30Β°C), measured by absorbance spectrophotometry (unsaturated bonds absorbance measurement, 235 nm) |
Isopropanol |
5% |
100 |
108 |
110 |
% |
Incubation: 50 mM Tris-HCl buffer, Assay: 50 mM Tris-HCl buffer, 0.3 MM CaCl2 |
Incubation: 8, Assay: 8 |
Incubation: 30Β°C, Assay: 30Β°C |
0.5% Polygalacturonic acid |
Ξ4,5-unsaturated oligogalacturonic acids |
0.3 mM CaΒ²βΊ |
β |
Water-incubated control (in %), assay in aqueous phase | Uncertainty about whether assay really is in aqueous phase/uncertainty about EC number and reaction buffer |