Re: [gmx-users] Unknown bond_atomtype when trying to use charm27 with cgenff

2016-11-27 Thread Jonathan Phillips
>FWIW, we have a complete CHARMM36 + latest CGenFF available at our website to >save you some pain: http://mackerell.umaryland.edu/charmm_ff.shtml#gromacs That looks helpful. Thanks. >So if it finds a bonded interaction that involves an atom type >it doesn't know about (e.g. you have a type in

[gmx-users] Unknown bond_atomtype when trying to use charm27 with cgenff

2016-11-26 Thread Jonathan Phillips
Hi, I'm trying to run a simulation of a protein:ligand complex using chamm27 and cgenff2b7. After a little hacking (I'm using a PRES), I've used charmm2gromacs-pvm.py to convert cgenff2b7 to cgenff2b7.ff/, and then combined that with the charmm27 forcefield that comes with gromacs. pdb2gmx runs