[gmx-users] (no subject)

2018-03-23 Thread Kingsley Theras Primus Dass .
Hi all, How can I convert 3 different gromacs itp file to generate single psf file ? Is there any command to do that I tried using top2psf.pl script to do that , but it failed. Thank you. -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/

Re: [gmx-users] Distances calculation in umbrella sampling

2017-12-01 Thread Kingsley Theras Primus Dass .
dear users, I am encountering a problem with script, the summary.dat file does not generate any value. But if I run the distance command one at the time , it is generating the value, I could not figure out where I am goingperlgmx wrong. can anyone tell where lies the mistake?mistake? Thank you

Re: [gmx-users] (no subject)

2017-10-22 Thread Kingsley Theras Primus Dass .
only tool you own is a hammer, every problem begins to resemble a > nail. > > > On 17 October 2017 at 21:16, Kingsley Theras Primus Dass . > <105726...@gms.tcu.edu.tw> wrote: > > Hi all, > > I have a very basic question about essential dynamics. I want to know > >

[gmx-users] (no subject)

2017-10-17 Thread Kingsley Theras Primus Dass .
Hi all, I have a very basic question about essential dynamics. I want to know whether essential dynamics function is similar to Accelerated MD ? Or essential dynamics is different from Accelerated MD ? Thanks in advance. Kingsleg Theras -- Gromacs Users mailing list * Please search the archive

[gmx-users] umbrella sampling

2017-08-14 Thread Kingsley Theras Primus Dass .
Dear all, I am trying umbrella sampling. when I gmx wham command I get the following error. I checked my tpr.dat and px.dat files, everything seems to be okay. but still, i get this error. can you suggest some solutions? Found 22 tpr and 22 pull position files in tpr.dat and px.dat, respec

Re: [gmx-users] MM/PBSA

2017-08-08 Thread Kingsley Theras Primus Dass .
ine here? > we can judge where you are wrong > > > On Aug 9, 2017 12:50 PM, "Kingsley Theras Primus Dass ." < > 105726...@gms.tcu.edu.tw> wrote: > > Hi everyone, > > I am trying to calculate the binding free energy between protein and ligand > by using MM/P

[gmx-users] MM/PBSA

2017-08-08 Thread Kingsley Theras Primus Dass .
Hi everyone, I am trying to calculate the binding free energy between protein and ligand by using MM/PBSA. I included all the .itp files. But when run the command, am getting an error saying "NO XTC" Could someone help me, what would be wrong, why such error occurs. i have pasted the error messag

[gmx-users] Umbrella sampling

2017-06-14 Thread Kingsley Theras Primus Dass .
Hii I am trying out the umbrella sampling tutorial. I finished generating a series of coordinate file , but when i run the perl script the summary_distance.dat doesnt generate the COM distance value What would be the possible reason for this ? Thank you Kingsley -- Gromacs Users mailing lis

Re: [gmx-users] B-FACTOR

2017-05-09 Thread Kingsley Theras Primus Dass .
2017 9:31 p.m., "RAHUL SURESH" wrote: I am not sure but I think u can calculate t along with rmsf calculation where you have to generate additional output as pdb file. On Tue, 9 May 2017 at 6:58 PM, Kingsley Theras Primus Dass . < 105726...@gms.tcu.edu.tw> wrote: > Hi ever

[gmx-users] B-FACTOR

2017-05-09 Thread Kingsley Theras Primus Dass .
Hi everyone ! I want to calculate b-factor , but I don't kno how to calculate. Can anyone please tell me how to calculate b-factor for a protein and how to analyse it ... Thanks in advance -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_List

[gmx-users] MM/Pbsa

2017-03-02 Thread Kingsley Theras Primus Dass .
Hi, I tried to calculate binding free energy for my protein. I tried using MM / PBSA, when i ran the program i am getting an error. Could you please say why such error is occuring and how should i need to rectify it. the error message is below 17:54:41 The directory RUN_ is not present. Plea

[gmx-users] Fwd: error in minimization

2017-02-23 Thread Kingsley Theras Primus Dass .
-- Forwarded message -- From: Kingsley Theras Primus Dass . <105726...@gms.tcu.edu.tw> Date: 2017-02-23 18:06 GMT+08:00 Subject: error in minimization To: gromacs.org_gmx-users@maillist.sys.kth.se, gmx-us...@gromacs.org Hello !! I am encountering an error in minimizatio

[gmx-users] error in minimization

2017-02-23 Thread Kingsley Theras Primus Dass .
Hello !! I am encountering an error in minimization step. Help me out to avoid this kind of error. The error message says, WARNING: Listed nonbonded interaction between particles 2999 and 3006 At distance 2.442 which is larger than the table limit 2.400 nm. This is capable capable any A doubt

[gmx-users] error in minimization step

2017-02-23 Thread Kingsley Theras Primus Dass .
Hello !! I am encountering an error in minimization step. Help me out to avoid this kind of error. The error message says, WARNING: Listed nonbonded interaction between particles 2999 and 3006 At distance 2.442 which is larger than the table limit 2.400 nm. This is capable capable any A doubt

[gmx-users] (no subject)

2016-11-18 Thread Kingsley Theras Primus Dass .
Dear Users!! I have a question about RMSD. I ran MD simulaton for 500ns and connected all my .xtc files using trjcat command. And , then I used g_rms command with the connected .xtc file to calculate RMSD for backbone atoms. But , when I run g_rms command , I get a warning as follows: WARNIN

Re: [gmx-users] (no subject)

2016-11-08 Thread Kingsley Theras Primus Dass .
Even when I add the new atom types to aminoacid.rtp, .hdb , .atp , Still it shows the same error Could you please suggest some solutions. Thank you in advance On 8 Nov 2016 6:59 p.m., "Justin Lemkul" wrote: > > > On 11/7/16 10:44 PM, Kingsley Theras Primus Dass

[gmx-users] (no subject)

2016-11-07 Thread Kingsley Theras Primus Dass .
Hello users!! I generated a Topology file for SO3- using ATB topology generator , which is compatible with GROMACS. Then I copied the .rtp file from ATB and pasted it into GROMACS aminoacid.rtp. The partial charge of aminoacid sulfated-tyrosine was -1. When I run -pdb2gmx there was error sayin

[gmx-users] Fwd: (no subject)

2016-11-02 Thread Kingsley Theras Primus Dass .
-- Forwarded message -- From: "Kingsley Theras Primus Dass ." <105726...@gms.tcu.edu.tw> Date: 3 Nov 2016 11:42 a.m. Subject: [gmx-users] (no subject) To: Cc: Hello users ! I want to Add SO3- to tyrosine residue of my protein. I generated the topology fi

[gmx-users] (no subject)

2016-11-02 Thread Kingsley Theras Primus Dass .
Hello users ! I want to Add SO3- to tyrosine residue of my protein. I generated the topology file for SO3- (TYS) residue using PRODRUG server and incorporated that topology into my topology. I am using GROMACS45a3 force field . but still when i try running pdb2gmx , it shows error. could you ple

[gmx-users] (no subject)

2016-11-01 Thread Kingsley Theras Primus Dass .
Hello ! As I am new to this field , I have some doubts . I want to sulfate the tyrosine residue in the chemokine receptor ... But wen I download a pdb file that has sulfated tyrosine residue and run pdb2gmx command in GROMACS ,it is showing a error message ...how can i come over this problem Progr

[gmx-users] doubts in sulfating in GROMACS

2016-10-31 Thread Kingsley Theras Primus Dass .
hello ! I want know to how to sulfate the tyrosine residue in GROMACS? when i try to sulfate , GROMACS is showing error saying that it is not in the .rtp file. Kindly, help me with it . thank you -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mail