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Activities of schistosomal SULTs with quercetin as substrate
The following conditions were used: 10 μm quercetin, 0.05 μm inositol monophosphatase 3, 50 mm MOPS, pH 7.0, 15 mm MgCl2 at 37 °C. Errors are standard deviations calculated for four independent experiments.
| Enzyme | Specific activity |
|---|---|
| mmol product/mmol enzyme/min | |
| Wild-type SmSULT | 3.5 ± 0.4 |
| D91A SmSULT | 0.71 ± 0.11 |
| Wild-type ShSULT | 4.6 ± 0.4 |
| D100A ShSULT | 0.41 ± 0.01 |
| Wild-type SjSULT | 3.5 ± 0.08 |
