[gmx-users] Slicing .gro file geometry

[shikha nangia]

Dear all: 

I would like to create a smaller simulation box (from a larger simulation box in .gro file) by removing atoms in the x, y and z-directions and saving the subset system into a new .gro file (smaller box and subset of molecules)

For example: from original box 10x10x10 nm3 write coordinates of the atoms that form 5x5x 5 nm3 core of the larger cube.

I tried editconf and trjconv but they both do not have any such option. Is there another utility in gromcas that can do this?

Thanks,
SN
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