project
add module load gromacs/2024.2
then open the unk.mol2 fils add the unk or sometime otherv(UNL) . remove the ***** form the 2 line and add the unk .
Mac: Cmd + Alt + F
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gmx pdb2gmx -f receptor.pdb -o receptor.gro -ignh
press 1 (CHARMM36 all-atom force field)
again press 1 (TIP3P)
perl sort_mol2_bonds.pl unk.mol2 unk_fix.mol2
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https://cgenff.umaryland.edu/ or https://cgenff.silcsbio.com/
upload "unk_fix.mol2" and unk.str file is generated. save at with the name of .str
open .str file and press control A then control c and paste into notepad then save as unk.str also select all files then press save.l
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