RE: [gmx-users] amber DNA non-integer charge

2011-08-28 Thread Kamesh Narasimhan
Yes, you were right, upgrading it to 4.5.4 made sure the atom types/charges in the DNA termini were recognized correctly. This time the topology got generated with integer charges. thanks From: gmx-users-boun...@gromacs.org [gmx-users-boun...@gromacs.org

Re: [gmx-users] amber DNA non-integer charge

2011-08-28 Thread Justin A. Lemkul
Kamesh Narasimhan wrote: I am using Gromacs 4.0.5 and in my ffamber03.rtp I can see that the charges are as you mentioned. "H1amber99_170.3520019" But in my top file the H1 atom of the type amber99_17 gets replaced by the amber99_25 type so what should have been amber99_17

RE: [gmx-users] amber DNA non-integer charge

2011-08-28 Thread Kamesh Narasimhan
I am using Gromacs 4.0.5 and in my ffamber03.rtp I can see that the charges are as you mentioned. "H1amber99_170.3520019" But in my top file the H1 atom of the type amber99_17 gets replaced by the amber99_25 type so what should have been amber99_17 1DG5 H1 19 0

Re: [gmx-users] amber DNA non-integer charge

2011-08-28 Thread Justin A. Lemkul
Kamesh Narasimhan wrote: Hil, I am trying to simulate a protein-DNA structure using amber03 and end up having a non-integer charge in topology generation . From the webpage of ffamber on NA-simulations, I could see this below instruction "However, for nucleic acids this also often causes p

RE: [gmx-users] amber DNA non-integer charge

2011-08-28 Thread Kamesh Narasimhan
Hil, I am trying to simulate a protein-DNA structure using amber03 and end up having a non-integer charge in topology generation . From the webpage of ffamber on NA-simulations, I could see this below instruction "However, for nucleic acids this also often causes pdb2gmx to replace an H atom

Re: [gmx-users] distance between mass center of two groups

2011-08-28 Thread Mark Abraham
On 29/08/2011 1:38 AM, Sajad Ahrari wrote: Dear users, is there any command in Gromacs to show fluctuations of distance, between mass center for two groups of amino-acids in a protein, over time? Check out manual section 7.4 for clues about which tools do what, and chapter 8 for more detail

Re: [gmx-users] distance between mass center of two groups

2011-08-28 Thread Amit Choubey
Use g_dist tool. On Sun, Aug 28, 2011 at 8:38 AM, Sajad Ahrari wrote: > Dear users, > is there any command in Gromacs to show fluctuations of distance, between > mass center for two groups of amino-acids in a protein, over time? > thanks, > sajad > > -- > gmx-users mailing listgmx-users@gro

[gmx-users] distance between mass center of two groups

2011-08-28 Thread Sajad Ahrari
Dear users, is there any command in Gromacs to show fluctuations of distance, between mass center for two groups of amino-acids in  a protein, over time? thanks,  sajad-- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive

[gmx-users] part number in extending simulation

2011-08-28 Thread Hsin-Lin Chiang
>I am not sure, but I assume if you set new names, new files will be >created. The checkpoint input files contains important information about >your coordinates, velocities, states of random number generators for the >NH coupling That is the reason, why it is necessary for a >continuous extens

Re: [gmx-users] part number in extending simulation

2011-08-28 Thread Dommert Florian
On Sun, 2011-08-28 at 17:55 +0800, Hsin-Lin Chiang wrote: > Hi Flo, > > Thank you for reply. > I got it. > But as you see I also indicate the new names for output files. > Do I get correct result in this kind of situation? > Or I need to rerun it with "-noappend" I am not sure, but I assume if y

[gmx-users] part number in extending simulation

2011-08-28 Thread Hsin-Lin Chiang
Hi Flo, Thank you for reply. I got it. But as you see I also indicate the new names for output files. Do I get correct result in this kind of situation? Or I need to rerun it with "-noappend" Sincerely yours, Hsin-Lin >Hi, > >check the standard options of mdrun with the help flag -h of version >4

Re: [gmx-users] part number in extending simulation

2011-08-28 Thread Dommert Florian
On Sun, 2011-08-28 at 14:21 +0800, Hsin-Lin Chiang wrote: > Hi, > > Is part number in extending simulation in ver.4.5.4 cancelled? > Below is my shell script, > > #!/bin/bash > a=/stathome/jiangsl/simulation/gromacs/d1GUJ_AB/4md > #running GROMACS > /stathome/jiangsl/soft/gromacs-4.5.4/bin/mdrun

[gmx-users] Free energy

2011-08-28 Thread pawan raghav
g_lie calculates the deltaG= alpha(p - w) + beta(p - w) equation. But when calculating DGbind from g_lie it will ask for only one term at a time i.e. -Elj for either p or w and -Cqq for either p or w. My question is when using only p for -Elj and Vl-s el>p for -Cqq, how the LJ and EL terms calcul

Re: [gmx-users] Error from residues added to rtp file

2011-08-28 Thread Mark Abraham
On 27/08/2011 2:42 AM, Delmotte, Antoine wrote: Oh, thank you so much! That was indeed the error. It's amazing how these little things can sometimes drive you mad I think the real lesson is to learn to edit documents that will contain nothing but text using an editor that can be relied up