The gmxMMPBSA giving a error related to Iodine atom type. Please find the details in the log file.
Output from terminal.
mpirun -np 6 gmx_MMPBSA -O -i
mmpbsa.in -cs str_noLP.pdb -ci index_mod_gromacs.ndx -cg 1 61 -ct com_traj.xtc -cp topol.top -o FINAL_RESULTS_MMPBSA.dat -eo FINAL_RESULTS_MMPBSA.csv
[INFO ] Starting gmx_MMPBSA v1.6.3
[INFO ] Command-line
mpirun -np 6 gmx_MMPBSA -O -i
mmpbsa.in -cs str_noLP.pdb -ci index_mod_gromacs.ndx -cg 1 61 -ct com_traj.xtc -cp topol.top -o FINAL_RESULTS_MMPBSA.dat -eo FINAL_RESULTS_MMPBSA.csv
[INFO ] Checking
mmpbsa.in input file...
[INFO ] Checking
mmpbsa.in input file...Done.
[INFO ] Checking external programs...
[INFO ] cpptraj found! Using /home/sagar/anaconda3/envs/gmxMMPBSA/bin/cpptraj
[INFO ] tleap found! Using /home/sagar/anaconda3/envs/gmxMMPBSA/bin/tleap
[INFO ] parmchk2 found! Using /home/sagar/anaconda3/envs/gmxMMPBSA/bin/parmchk2
[INFO ] sander found! Using /home/sagar/anaconda3/envs/gmxMMPBSA/bin/sander
[INFO ] Using GROMACS version > 5.x.x!
[INFO ] gmx found! Using /usr/local/gromacs/bin/gmx
[INFO ] Checking external programs...Done.
[INFO ] Building AMBER topologies from GROMACS files...
[INFO ] Get PDB files from GROMACS structures files...
[INFO ] Making gmx_MMPBSA index for complex...
[INFO ] Normal Complex: Saving group Protein_L80_&_!L80_LP1_4288 (1_61) in _GMXMMPBSA_COM_index.ndx file as _GMXMMPBSA_COM.pdb
[INFO ] No receptor structure file was defined. Using ST approach...
[INFO ] Using receptor structure from complex to generate AMBER topology
[INFO ] Normal Receptor: Saving group Protein (1) in _GMXMMPBSA_COM_index.ndx file as _GMXMMPBSA_REC.pdb
[INFO ] No ligand structure file was defined. Using ST approach...
[INFO ] Using ligand structure from complex to generate AMBER topology
[INFO ] Normal Ligand: Saving group L80_&_!L80_LP1_4288 (61) in _GMXMMPBSA_COM_index.ndx file as _GMXMMPBSA_LIG.pdb
[INFO ] Checking the structures consistency...
[INFO ]
[INFO ] Using topology conversion. Setting radiopt = 0...
[INFO ] Building Normal Complex Amber topology...
[INFO ] Detected CHARMM force field topology format...
[INFO ] Assigning PBRadii mbondi2 to Complex...
[INFO ] Writing Normal Complex AMBER topology...
[INFO ] No Receptor topology file was defined. Using ST approach...
[INFO ] Building AMBER Receptor topology from Complex...
[INFO ] Assigning PBRadii mbondi2 to Receptor...
[INFO ] Writing Normal Receptor AMBER topology...
[INFO ] No Ligand topology file was defined. Using ST approach...
[INFO ] Building AMBER Ligand topology from Complex...
[INFO ] Assigning PBRadii mbondi2 to Ligand...
[INFO ] Writing Normal Ligand AMBER topology...
[INFO ] Selecting residues by distance (6 Å) between receptor and ligand for decomposition analysis...
[INFO ] Selected 41 residues:
R:A:ILE:9 R:A:GLY:10 R:A:GLU:11 R:A:GLY:12 R:A:ALA:13 R:A:TYR:14 R:A:GLY:15 R:A:LYS:16 R:A:VAL:17 R:A:PHE:18
R:A:LYS:19 R:A:VAL:30 R:A:ALA:31 R:A:LYS:33 R:A:GLU:44 R:A:LEU:48 R:A:VAL:60 R:A:ARG:61 R:A:LEU:71 R:A:VAL:72
R:A:PHE:73 R:A:GLU:74 R:A:HIS:75 R:A:VAL:76 R:A:ASP:77 R:A:GLN:78 R:A:ASP:79 R:A:THR:81 R:A:ASP:120 R:A:LYS:122
R:A:PRO:123 R:A:GLN:124 R:A:ASN:125 R:A:ILE:126 R:A:LEU:127 R:A:ALA:137 R:A:ASP:138 R:A:PHE:139 R:A:ALA:142 R:A:THR:144
L:B:L80:264
[INFO ] Cleaning normal complex trajectories...
[INFO ] Building AMBER topologies from GROMACS files... Done.
[INFO ] Loading and checking parameter files for compatibility...
[INFO ] Preparing trajectories for simulation...
[INFO ] 20001 frames were processed by cpptraj for use in calculation.
[INFO ] Starting calculations in 6 CPUs...
[INFO ] Running calculations on normal system...
[INFO ] Beginning GB calculations with /home/sagar/anaconda3/envs/gmxMMPBSA/bin/sander
[INFO ] calculating complex contribution...
0%| | 0/20001 [elapsed: 00:00 remaining: ?] bad atom type: IG
bad atom type: IG
File "/home/sagar/anaconda3/envs/gmxMMPBSA/bin/gmx_MMPBSA", line 8, in <module>
sys.exit(gmxmmpbsa())
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/app.py", line 101, in gmxmmpbsa
app.run_mmpbsa()
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/main.py", line 205, in run_mmpbsa
self.calc_list.run(rank, self.stdout)
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/calculation.py", line 142, in run
calc.run(rank, stdout=stdout, stderr=stderr)
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/calculation.py", line 284, in run
raise CalcError(f'{self.program} failed with prmtop {self.prmtop}!')
CalcError: /home/sagar/anaconda3/envs/gmxMMPBSA/bin/sander failed with prmtop COM.prmtop!
Error occurred on rank 1.
Exiting. All files have been retained.
File "/home/sagar/anaconda3/envs/gmxMMPBSA/bin/gmx_MMPBSA", line 8, in <module>
sys.exit(gmxmmpbsa())
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/app.py", line 101, in gmxmmpbsa
app.run_mmpbsa()
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/main.py", line 205, in run_mmpbsa
self.calc_list.run(rank, self.stdout)
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/calculation.py", line 142, in run
calc.run(rank, stdout=stdout, stderr=stderr)
File "/home/sagar/anaconda3/envs/gmxMMPBSA/lib/python3.9/site-packages/GMXMMPBSA/calculation.py", line 284, in run
raise CalcError(f'{self.program} failed with prmtop {self.prmtop}!')
CalcError: /home/sagar/anaconda3/envs/gmxMMPBSA/bin/sander failed with prmtop COM.prmtop!
Error occurred on rank 4.
Exiting. All files have been retained.
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 1
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 4
bad atom type: IG
Help me out to solve this error.
Thank you.