[gmx-users] Calculation of Static Structure Factor in GROMACS-5.0.7

2018-10-17 Thread Saumyak Mukherjee
Dear Users, I want calculate the static structure factor of water in GROMACS-5.0.7. Which module shall I use for that? In gmx rdf there is an output option "-hq". What is the meaning of this output? Any help is highly appreciated. Regards, Saumyak -- Gromacs Users mailing list * Please

Re: [gmx-users] Topology file

2018-10-17 Thread Justin Lemkul
On 10/17/18 6:25 PM, Mahdi Sobati Nezhad wrote: thanks Justin for your helps. the pdb2gmx make posre_chain_A.itp but don't write any thing about it in my topol.top!!! Can I add it in my topol.top file?! And what's its template for it?! If pdb2gmx completed successfully, it's there. Check

[gmx-users] Add residue to force field

2018-10-17 Thread Mahdi Sobati Nezhad
Hello. For my MD I need a GTP residue. So I made it by modifying ATP residue in gromos 54A7 force field by guanosine base. First time I save it in GTP.rtp and my energy minimisation steps was 30,000 steps because of one atom in GTP. In next try I add GTP residue in aminoaciduria.rtp which contains

Re: [gmx-users] Topology file

2018-10-17 Thread Mahdi Sobati Nezhad
thanks Justin for your helps. the pdb2gmx make posre_chain_A.itp but don't write any thing about it in my topol.top!!! Can I add it in my topol.top file?! And what's its template for it?! On Fri, 5 Oct 2018 17:08 Justin Lemkul, wrote: > > > On 10/4/18 6:53 PM, Mahdi Sobati Nezhad wrote: > >

Re: [gmx-users] Topology file

2018-10-17 Thread Mahdi Sobati Nezhad
Thanks rose for your help. so for ligand and protein interaction its better that I use position restraints On Wed, 10 Oct 2018 17:07 rose rahmani, wrote: > First, i think it's better to ask WHY > http://www.gromacs.org/Documentation/How-tos/Position_Restraints > That's why people use position

Re: [gmx-users] Error in writing trajectory files using HPC (vGromacs 2018.2)

2018-10-17 Thread Paul bauer
Hello, could you open an issue on redmine.gromacs.org to describe the problem, with the commands you used and if possible some example files (not full length trajectories, but the minimal file that causes the crash). The same goes for the gmx helix issue you ran into. Cheers Paul On

Re: [gmx-users] GMX Helix Segmentation fault

2018-10-17 Thread David van der Spoel
Den 2018-10-16 kl. 11:14, skrev Budheswar Dehury: Dear All, Hello. I am doing analysis soem analysis of TM helix properties using the GMX helix tool of GROMACS 2018.2. Though, in someways its working in the old version 2016.2 but its not working in the latest 2018.2 version. I have appended