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Thermodynamic parameters of acetyl phosphate binding to wild-type and variant phosphotransacetylases
| Enzyme | na | KD (μM) | ΔH (kcal mol−1) | ΔG (kcal mol−1) |
|---|---|---|---|---|
| Wild type | 1 | 180 ± 10 | −8.1 ± 0.2 | −5.1 |
| Arg310Gln | 1 | 670 ± 20 | −12.0 ± 3 | −4.3 |
| Arg310Lys | 1 | 1,010 ± 20 | −10.0 ± 0.1 | −4.1 |
The values extracted from the data sets for “n” ranged from 0.8 to 1.3 and were fixed at 1 for consistent curve fitting.
