Re: [gmx-users] Index file

2019-08-27 Thread Omkar Singh
Sir, I want to calculate MSD within a cutoff range, how can I wrote a command for that. Can you help me regarding this? Thank you On Wed, Aug 28, 2019, 11:15 Mark Abraham wrote: > Hi, > > There's lots of documentation and examples available. See > > http://manual.gromacs.org/documentation/curren

Re: [gmx-users] Index file

2019-08-27 Thread Mark Abraham
Hi, There's lots of documentation and examples available. See http://manual.gromacs.org/documentation/current/user-guide/cmdline.html#selection-syntax-and-usage Mark On Wed, 28 Aug 2019 at 07:14, Omkar Singh wrote: > Hi everyone > Can anyone help me regarding "gmx select" command making a inde

[gmx-users] Index file

2019-08-27 Thread Omkar Singh
Hi everyone Can anyone help me regarding "gmx select" command making a index file within a cutoff. Thanks -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Ma

Re: [gmx-users] index file for special residues

2019-05-27 Thread mmousivand93
Dear Dr. Dallas Warren Thanks a lot Maryam On 2019-05-27 02:09, Dallas Warren wrote: > "|" = or > > What you want is "&" = and > > aptamer | r special = aptamer > aptamer & r special = special > > Catch ya, > > Dr. Dallas Warren > Drug Delivery, Disposition and Dynamics > Monash Institut

Re: [gmx-users] index file for special residues

2019-05-26 Thread Dallas Warren
"|" = or What you want is "&" = and aptamer | r special = aptamer aptamer & r special = special Catch ya, Dr. Dallas Warren Drug Delivery, Disposition and Dynamics Monash Institute of Pharmaceutical Sciences, Monash University 381 Royal Parade, Parkville VIC 3052 dallas.war...@monash.edu --

[gmx-users] index file for special residues

2019-05-26 Thread mmousivand93
Dear all, I am going to generate index file for special residues in my aptamer, I use the command " make_ndx -f *.gro -o index.ndx and then select group as DNA and Special residue as fallow ">1|r 4 5 7 36. The index file for whole aptamer and special residue is similar, I would be appreciate an

Re: [gmx-users] Index file regarding

2018-05-07 Thread Shreyas Kaptan
You need to combine the C-alpha default group with the selected category with the & operator. On Mon, May 7, 2018 at 3:31 PM RAHUL SURESH wrote: > Hi, I have created the index file. Now I want to calculate the rmsd of the > C-alpha atoms of the index group alone.. So what group should i select?

Re: [gmx-users] Index file regarding

2018-05-07 Thread Justin Lemkul
On 5/7/18 9:31 AM, RAHUL SURESH wrote: Hi, I have created the index file. Now I want to calculate the rmsd of the C-alpha atoms of the index group alone.. So what group should i select? Please state your goals directly rather than leaving details to come out bit by bit, it's much more effici

Re: [gmx-users] Index file regarding

2018-05-07 Thread RAHUL SURESH
Hi, I have created the index file. Now I want to calculate the rmsd of the C-alpha atoms of the index group alone.. So what group should i select? On Mon, May 7, 2018 at 6:50 PM, RAHUL SURESH wrote: > thank you. > > On Mon, May 7, 2018 at 3:39 PM, Shreyas Kaptan > wrote: > >> It's 'r37-70 | r 1

Re: [gmx-users] Index file regarding

2018-05-07 Thread RAHUL SURESH
thank you. On Mon, May 7, 2018 at 3:39 PM, Shreyas Kaptan wrote: > It's 'r37-70 | r 120-167 | ...' so on and so forth. > > On Mon, May 7, 2018 at 12:06 PM RAHUL SURESH > wrote: > > > Dear all, > > > > My protein structure has 400 residues of which I want to calculate RMSD > of > > particular 2

Re: [gmx-users] Index file regarding

2018-05-07 Thread Shreyas Kaptan
It's 'r37-70 | r 120-167 | ...' so on and so forth. On Mon, May 7, 2018 at 12:06 PM RAHUL SURESH wrote: > Dear all, > > My protein structure has 400 residues of which I want to calculate RMSD of > particular 200 residues (approx) and they are not continuous. For example, > from 34-70; 120-167;

[gmx-users] Index file regarding

2018-05-07 Thread RAHUL SURESH
Dear all, My protein structure has 400 residues of which I want to calculate RMSD of particular 200 residues (approx) and they are not continuous. For example, from 34-70; 120-167; 180-210; For this how can I create an index file? Thank you -- *Regards,* *Rahul Suresh* *Research Scholar* *B

Re: [gmx-users] Index file group selection and gmx covar error

2017-01-06 Thread Justin Lemkul
On 1/5/17 3:40 AM, Aditya Padhi wrote: Dear Gromacs users, I am trying to evaluate entropic contributions for a protein-protein complex using the gmx covar module and then gmx anaeig. When I directly run the command "gmx covar -f prod.xtc -s prod.tpr -n index.ndx -o eigenval.xvg -v eigenval.tr

[gmx-users] Index file group selection and gmx covar error

2017-01-05 Thread Aditya Padhi
Dear Gromacs users, I am trying to evaluate entropic contributions for a protein-protein complex using the gmx covar module and then gmx anaeig. When I directly run the command "gmx covar -f prod.xtc -s prod.tpr -n index.ndx -o eigenval.xvg -v eigenval.trr -av average.pdb -l covar.log", the progra

Re: [gmx-users] index file after MD for non bonded interactions

2016-03-01 Thread Justin Lemkul
On 3/1/16 4:27 AM, Nikhil Maroli wrote: Dear all, i have generated cyclic peptide nanotube in Lipid bilayer system and input files for GROMACS from charmm-gui . 50 ns MD is performed and i would like to study non bonded interactions, when i invoke gmx energy- i got 50 options ,but none of th

[gmx-users] index file after MD for non bonded interactions

2016-03-01 Thread Nikhil Maroli
Dear all, i have generated cyclic peptide nanotube in Lipid bilayer system and input files for GROMACS from charmm-gui . 50 ns MD is performed and i would like to study non bonded interactions, when i invoke gmx energy- i got 50 options ,but none of them contain option such as Protein-Membrane,m

Re: [gmx-users] Index file

2015-05-26 Thread Justin Lemkul
On 5/26/15 2:32 PM, Giannis Gl wrote: Dear all, I am very amateur in GROMACS, so please forgive my silly question. I want to group the following atoms ATOM 2285b C1 LIG X 6 32.880 59.958 110.850 0.00 0.00 ATOM 2285c CL1 LIG X 6 31.972 61.400 110.520 0.00 0.00 ATOM 2285d

[gmx-users] Index file

2015-05-26 Thread Giannis Gl
Dear all, I am very amateur in GROMACS, so please forgive my silly question. I want to group the following atoms ATOM 2285b C1 LIG X 6 32.880 59.958 110.850 0.00 0.00 ATOM 2285c CL1 LIG X 6 31.972 61.400 110.520 0.00 0.00 ATOM 2285d N1 LIG X 6 32.318 58.744 110.53

[gmx-users] index file for g_velacc to calculate diffusion coefficient in the bulk

2014-08-26 Thread Abbasi, N.
Dear all, I want to calculate the diffusion coefficient in the bulk based on Green-Kubo relation. Now I want to use : g_velacc -acflen 1001 -nonormalize -mol -n index.ndx -s topol.tpr -o vac.xvg I have got different information about index.ndx file . should it contain molecule numbers? Or

Re: [gmx-users] index file group names: Case sensitive

2014-03-22 Thread Justin Lemkul
On 3/22/14, 7:41 PM, shivangi nangia wrote: Hello All, I have a question regarding case sensitivity for index file group names. If I have a group named "l"ipid (i.e. lipid) in the index file but I have it as "L"ipid (i.e. Lipid) in the .mdp file, does that matter? I am not getting any errors

[gmx-users] index file group names: Case sensitive

2014-03-22 Thread shivangi nangia
Hello All, I have a question regarding case sensitivity for index file group names. If I have a group named "l"ipid (i.e. lipid) in the index file but I have it as "L"ipid (i.e. Lipid) in the .mdp file, does that matter? I am not getting any errors while running any gmx command but I feel my sys