Table 2.
Stabilization of GCase with inhibitors at acidic and neutral pH.
1 | 2 | 3 | IFG | ||||||
---|---|---|---|---|---|---|---|---|---|
Inhibitor (mM) |
Tm(°C) | ΔTm | Tm(°C) | ΔTm | Tm(°C) | ΔTm | Tm(°C) | ΔTm | |
pH 5.2 | 55.8 ± 0.0a | ||||||||
0.5 | 56.4 ± 0.0 | 0.6 | 55.9 ± 0.1 | 0.3 | 56.1 ± 0.0 | 0.3 | 68.0 ± 0.2 | 12.2 | |
1 | 56.6 ± 0.0 | 0.8 | 56.0 ± 0.0 | 0.3 | 56.1 ± 0.1 | 0.2 | 68.9 ± 0.3 | 13.0 | |
2 | 57.3 ± 0.1 | 1.5 | 56.7 ± 0.1 | 1.0 | 56.7 ± 0.1 | 0.8 | 69.7 ± 0.3 | 13.8 | |
5 | 58.4 ± 0.1 | 2.7 | 57.4 ± 0.1 | 1.7 | 57.2 ± 0.1 | 1.3 | 67.5 ± 0.3 | 11.6 | |
10 | 59.0 ± 0.1 | 3.2 | 57.4 ± 0.0 | 1.7 | 56.9 ± 0.0 | 1.0 | 63.7 ± 0.2 | 7.8 | |
pH 7.2 | 47.1 ± 0.2 a | ||||||||
0.5 | 48.5 ± 0.1 | 1.4 | 48.7 ± 0.1 | 1.7 | 50.7 ± 0.0 | 2.1 | 63.8 ± 0.3 | 16.9 | |
1 | 49.4 ± 0.1 | 2.3 | 49.3 ± 0.0 | 2.2 | 52.0 ± 0.1 | 3.3 | 65.4 ± 0.1 | 18.4 | |
2 | 49.9 ± 0.1 | 2.8 | 50.1 ± 0.1 | 3.1 | 52.6 ± 0.1 | 3.9 | 67.2 ± 0.2 | 20.2 | |
5 | 52.5 ± 0.1 | 5.4 | 52.1 ± 0.1 | 5.0 | 53.6 ± 0.1 | 5.0 | 70.3 ± 0.2 | 23.4 | |
10 | 54.6 ± 0.1 | 7.5 | 53.6 ± 0.1 | 6.5 | 54.5 ± 0.0 | 5.8 | 72.6 ± 0.2 | 25.7 |
mean Tm measured for GCase at indicated pH value in the absence of inhibitor.