GROMACS version: 2023.2
GROMACS modification: No
Dear Gromacs users,
I’m conducting a coarse-grained simulation in GROMACS. My system contains two proteins, and I add positional restraints on one of the proteins with the other protein free to move. I applied a constant electric field along z direction. I have tried comm-mode=None, and I tested with a strong electric field. I found the protein appear to move towards the opposite direction that I expect. I do not understand why this happen. I suspect there is something imcompatible between the position restraint and the electric field. How should I choose the comm-mode and the corresponding comm-grps?