Table 5. Restraints used during energy minimization (EM) and stepwise equilibration (1–3) of GSDMDNT pore conformation systems in kJ mol-1nm-2.
Step | Time [ns] | Timestep [fs] | Backbone | Sidechains | Lipid headgroup () | Water () |
---|---|---|---|---|---|---|
EM | 4000 | 2000 | 1000 | 1000 | ||
1 | 5* | 2 | 2000 | 1000 | 10 | 50* |
2 | 50 | 2 | 2000 | 1000 | 50 | 0 |
3 | 80 | 2 | 500 | 100 | 0 | 0 |
For the 27-mer system with an initially lipid filled pore this was extended to 10 ns with a force constant of 1000 kJ mol−1 nm−2 for restraining the z-position of water molecules.