Re: [gmx-users] updating amberff.03 files

2013-04-12 Thread Mark Abraham
On Apr 11, 2013 11:51 PM, Laura Kingsley lking...@purdue.edu wrote: So if I'm understanding you correctly in the .rtp file under [ HEME ] [ dihedrals ] I should change: HP42 CBD CGD O1D HP42 CBD CGD O2D ... to HP42 CBD CGD O1D30.65270 1.95811

[gmx-users] updating amberff.03 files

2013-04-11 Thread Laura Kingsley
Hello Gromacs Users, I am trying to update the contents of the top folder. I have parameters for a HEME residue that worked in gromacs 4.0.7, and we're now trying to update to gromacs 4.6.1 (long overdue), and need to migrate the parameters over to the new version. I have done the

Re: [gmx-users] updating amberff.03 files

2013-04-11 Thread Mark Abraham
Type 9 was added at some point to GROMACS to make coping with AMBER and CHARMM easier. So you should just change your #defines from 3 to 9. See table in chapter 5. Or you could just leave your solution in the same form as you did for the 4.0.x GROMACS. Mark On Thu, Apr 11, 2013 at 10:36 PM,

Re: [gmx-users] updating amberff.03 files

2013-04-11 Thread Laura Kingsley
Hi Mark, We'd like to use the Ryckaert-Bellemans dihedral types. Does 3 not work in the new version? Also, I took out the #define lines and replaced them with the actual atomtypes, because that didn't seem to work when I initially tried to add just the #define lines to the ffbonded.itp file.

Re: [gmx-users] updating amberff.03 files

2013-04-11 Thread Mark Abraham
On Thu, Apr 11, 2013 at 11:14 PM, Laura Kingsley lking...@purdue.eduwrote: Hi Mark, We'd like to use the Ryckaert-Bellemans dihedral types. Does 3 not work in the new version? Sorry, I was thinking of 4 and 9, which are basically interchangeable. The default for AMBER did change to 9 at

Re: [gmx-users] updating amberff.03 files

2013-04-11 Thread Laura Kingsley
So if I'm understanding you correctly in the .rtp file under [ HEME ] [ dihedrals ] I should change: HP42 CBD CGD O1D HP42 CBD CGD O2D ... to HP42 CBD CGD O1D30.65270 1.95811 0.0 -2.61082 0.0 0.0 HP42 CBD CGD O2D30.65270