Re: [gmx-users] Segmentation fault (core dumped) error during minimization

2020-04-28 Thread Elham Taghikhani
Hi As you said I checked my structure for any bad contact, but the close atoms are part of the protein so I can't delete them to minimize the structure. And water molecules are not that much close to make bad contact with the atom. And the atom which errored during minimization it's the atom tha

[gmx-users] debugging

2020-04-28 Thread Miro Astore
Hi all, I am interested in how Gromacs works at the back end but I don't have much C experience so this might be silly. I have noticed that one of my systems that includes virtual sites parses fine through grompp in gromacs 2019.1 and 3 but fails in 2020.1 with a segmentation fault. 21169 Segment

Re: [gmx-users] [gmx users] Terminal amide hydrogens not included in H-bond analysis

2020-04-28 Thread Sahil Lall
Hello, Though I don't know the answer to your question, I can offer a workaround for the task. I have simulated such C-terminally amidated peptides in vacuum before and I performed the same analysis using the Hydrogen bonds plugin in VMD. Hope this helps. Cheers, Sahil On 2020-04-28 07:20

Re: [gmx-users] debugging

2020-04-28 Thread Christian Blau
Hi Miro, This can be of great help and a wonderful learning experience; at the same time also an enormous time-sink. First, you did already do a bunch of very helpful work in trying to find the latest version, where things still work,  have the error be reproducible on a test system. If y

[gmx-users] Invalid atomtype format

2020-04-28 Thread Sadaf Rani
Dear Gromacs users I am facing a problem between different versions of gromacs for gmx pdb2gmx. I have a protein-ligand system, I did all the necessary steps mentioned in gromacs manual for adding new residue to force field. When I run this in gromacs 2019 it gives me a warning as below:- Fatal err

Re: [gmx-users] Quick question: is TIP3P water model available in GROMOS54a7 force field?

2020-04-28 Thread Wei-Tse Hsu
Hi Shakira and Dr. Lemkul, Thank you so much for your reply! I ended up using an AMBER force field. Best, Wei-Tse On Mon, Apr 27, 2020 at 7:32 PM Justin Lemkul wrote: > > > On 4/27/20 7:43 PM, shakira shukoor wrote: > > Hi > > As far as I know tip3p water model is modelled to use in combination