Hi Zeeshan,

You can try with ATB server .

https://atb.uq.edu.au/index.py

Hope this will help you !

http://zarbi.chem.yale.edu/ligpargen/

Hi Kalindu Fernando ,

It does not generate these file for GROMOS96_54A7. I have used LiParGen. But it does not generate .prm file for GROMOS. It does for Charmm but it results in error.

Hi Zeeshan Zafar ,

You can try with Charmm GUI to generate prm file using ligand reader and modeler, ATB does not provide prm file.

https://charmm-gui.org/?doc=input

Hope this may help you !