[gmx-users] rtp

[Mark Abraham]

jayant_jacques wrote:
> Hi!
> I am attempting to simulate a protein with a modified amino acid using 
> the Gromacs force field with hydrogens for NMR. I have built the RTP and 
> TOP files using PRODRG.
> I need to know what is the rtp file? relevant to the above force field 
> such that I can append my rtp file. Is it the ffgmx2.rtp or  ffgmx.rtp?

See the PRODRG documentation and the GROMACS manual. Forcefield 
selection should come before you do any other work.

Mark