GROMACS version: 2020
GROMACS modification: No
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I have a system including protein and water molecules, and protein is the only molecule I care about in my analysis. Therefore, in mdrun, I want to have only protein (water molecules are not important) as the only molecule saved and output in the trajectories (.xtc). In this way, the generated trajectory files only have protein and will not be too large to save.
So I wonder if this is possible in GROMACS and how to set up this kind of mdrun. Thank you so much in advance.