[gmx-users] Error in Coarse Graining the atomistic trajectory

2017-07-26 Thread Anurag Dobhal
of how to troubleshoot the above problem. Any help will be highly appreciated. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged

Re: [gmx-users] Martini Website is not accessible

2017-05-22 Thread Anurag Dobhal
Okay, Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* On Mon, May 22, 2017 at 5:17 PM, Peter Kroon wrote: > Hi, > > > we are aware of it and will probably fix it later today. It's an update > gone wrong.

[gmx-users] Martini Website is not accessible

2017-05-22 Thread Anurag Dobhal
*Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any review, retransmission

[gmx-users] Error In Umbrella sampling.

2017-04-14 Thread Anurag Dobhal
the tutorial. Is is safe to use maxwarn in this case ? or is their any solution to overcome this warning ? Any help will be highly appreciated. Thank you *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication

Re: [gmx-users] Potential Energy is positive on minimizing the system

2017-02-24 Thread Anurag Dobhal
Thanks a lot! *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Thu, Feb 23, 2017 at 9:10 PM, Justin Lemkul wrote: > > > On 2/23/17 9:07 AM, Anurag Dobhal wrote: > >> Dear Justin, >>

Re: [gmx-users] Potential Energy is positive on minimizing the system

2017-02-23 Thread Anurag Dobhal
*Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Thu, Feb 23, 2017 at 7:23 PM, Anurag Dobhal < anurag.dob...@nano-medicine.co.in> wrote: > Thank you ! > > > > > *Anurag Dobhal* > *G

Re: [gmx-users] Potential Energy is positive on minimizing the system

2017-02-23 Thread Anurag Dobhal
Thank you ! *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Thu, Feb 23, 2017 at 7:09 PM, Justin Lemkul wrote: > > > On 2/23/17 8:29 AM, Anurag Dobhal wrote: > >> Thank you. Should I n

Re: [gmx-users] Potential Energy is positive on minimizing the system

2017-02-23 Thread Anurag Dobhal
Thank you. Should I not use PME and PBC while performing simulations in Vaccum ? -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any review, retransmission, dissemination or oth

[gmx-users] Potential Energy is positive on minimizing the system

2017-02-23 Thread Anurag Dobhal
Van der Waals cut-off pbc = xyz ; Periodic Boundary Conditions (yes/no) Any help will be appreciated. Thank you *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the person or ent

[gmx-users] Potential Energy is positive on minimizing the system

2017-02-23 Thread Anurag Dobhal
Van der Waals cut-off pbc = xyz ; Periodic Boundary Conditions (yes/no) Any help will be appreciated. Thank you *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the person or entity

Re: [gmx-users] Neutralization of the non solvated system

2016-12-22 Thread Anurag Dobhal
Thank you *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* On Thu, Dec 22, 2016 at 6:26 PM, Justin Lemkul wrote: > > > On 12/22/16 5:24 AM, Anurag Dobhal wrote: > >> Dear Gromacs users, >> >> I am simu

[gmx-users] Neutralization of the non solvated system

2016-12-22 Thread Anurag Dobhal
Dear Gromacs users, I am simulating a polyemer chain having positive charge. I am running the simulation without any solvent, in this sitiuation how can I neutralize my system ? Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai

[gmx-users] Invalid order for directive molecules

2016-11-11 Thread Anurag Dobhal
your help. Thanks and Regards *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged materia

Re: [gmx-users] Regarding tc-grps

2016-09-29 Thread Anurag Dobhal
Thank you Justin and Peter for the valuable inputs. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* On Thu, Sep 29, 2016 at 8:25 PM, Peter Kroon wrote: > Hi, > > please see http://www.gromacs.org/Documentation/Terminology/Th

Re: [gmx-users] Regarding tc-grps

2016-09-29 Thread Anurag Dobhal
stoping, showing error of segmentation fault. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* On Thu, Sep 29, 2016 at 8:26 PM, Justin Lemkul wrote: > > > On 9/29/16 10:31 AM, Anurag Dobhal wrote: > >> Dear Grom

[gmx-users] Regarding tc-grps

2016-09-29 Thread Anurag Dobhal
Dear Gromacs users, I am simulating a polymer chain without any solvent using OPLS AA force field, how many tc-grps should I put in the .mdp file ? as there is only one 1 group in the topol.top file. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical

Re: [gmx-users] changing the location of a molecule in a box

2016-09-09 Thread Anurag Dobhal
protien. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* On Fri, Sep 9, 2016 at 4:24 PM, Anurag Dobhal < anurag.dob...@nano-medicine.co.in> wrote: > Dear Gromacs users, > > I am working on a biphasic system where I have taken chloroform and water >

[gmx-users] changing the location of a molecule in a box

2016-09-09 Thread Anurag Dobhal
protien. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any review, retransmission, dissemination or other

[gmx-users] Parameters file for CHARMM 27 Force Field

2016-06-24 Thread Anurag Dobhal
-Vz79yKJWFgwYVN3cUJHSUE Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any

Re: [gmx-users] Energy minimization has stopped

2016-06-23 Thread Anurag Dobhal
Thanks a lot Justinn and Mark for the valuable suggestions. I will start over again by choosing a force field which is suitable for the RNA molecules. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Thu, Jun

Re: [gmx-users] Energy minimization has stopped

2016-06-23 Thread Anurag Dobhal
RNA molecules. I was suggested (Link Below) earlier that I can take the charges from any other forcefield. (http://permalink.gmane.org/gmane.science.biology.gromacs.user/85228) please enlight me where I am going wrong. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology

Re: [gmx-users] Energy minimization has stopped

2016-06-23 Thread Anurag Dobhal
I am using OPLS AA force field. parameters (charges) for the atoms are taken from the charmm27 force field. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Thu, Jun 23, 2016 at 4:15 PM, Justin Lemkul wrote

[gmx-users] Energy minimization has stopped

2016-06-23 Thread Anurag Dobhal
f rvdw= 1.0 ; Short-range Van der Waals cut-off pbc= xyz ; Periodic Boundary Conditions (yes/no) any suggestions ? *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIMER:* *This communication is intended only for the per

[gmx-users] WARNING: Duplicate line found in or between hackblock and rtp entries

2016-06-20 Thread Anurag Dobhal
Dear Gromacs Users, I Simulated a Nucleotide pair using OPLS AA force field. while running " gmx pdb2gmx" I am getting the following warning. WARNING: Duplicate line found in or between hackblock and rtp entries How to address this warning ? Thank You *Anurag Dobhal* *Gradua

Re: [gmx-users] Total Charge on Guanine molecule by OPLS AA force field is negative

2016-06-17 Thread Anurag Dobhal
Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Fri, Jun 17, 2016 at 5:02 PM, Justin Lemkul wrote: > > > On 6/17/16 6:26 AM, Anurag Dobhal wrote: > >> Dear Justin, >> >&

Re: [gmx-users] Total Charge on Guanine molecule by OPLS AA force field is negative

2016-06-17 Thread Anurag Dobhal
Dear Justin, I have already added the H to the guanine molecule striped from the nucleotide. The charges given in the ffnonbonded.itp for all the atoms of guanine (Including the H on N9) do not add to zero. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical

[gmx-users] Total Charge on Guanine molecule by OPLS AA force field is negative

2016-06-17 Thread Anurag Dobhal
at guanine has negative charge ? should I continue with thae same parameters or change them to bring the total charge of the molecule to zero. Thank You for your help *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* -- *DISCLAIME

Re: [gmx-users] Grompp error

2016-05-30 Thread Anurag Dobhal
Thanks a lot for your insight. I will redefine them. *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Mon, May 30, 2016 at 8:26 PM, Justin Lemkul wrote: > > > On 5/30/16 10:55 AM, Anurag Dob

Re: [gmx-users] Grompp error

2016-05-30 Thread Anurag Dobhal
Thanks a lot for your reply. I have set tc-groups as tc-grps = Other acetone ; two coupling groups - more accurate tau_t = 0.1 0.1 ; time constant, in ps ref_t = 300 300 ; reference temperature, one for each *Anurag Dobhal* *Graduate Student (Bioprocess Technology

[gmx-users] Grompp error

2016-05-30 Thread Anurag Dobhal
ell distribution at 300 K Removing all charge groups because cutoff-scheme=Verlet Fatal error: Atom 79 in multiple T-Coupling groups (1 and 2) " The error means that T-coupling is treating both the polymer (other) and solvent (acetone) as other molecules. How can I rectify the error ? *An

Re: [gmx-users] uninstall gromacs 5.0

2016-05-24 Thread Anurag Dobhal
Thank a lot Mark and Sun for your valuable suggestions. The problem is solved. Thank You *Anurag Dobhal* *Graduate Student (Bioprocess Technology)* *Institute of Chemical Technology, Mumbai* *Contact: +91 8898486877* On Mon, May 23, 2016 at 10:43 PM, sun wrote: > I am sorry for so man

[gmx-users] uninstall gromacs 5.0

2016-05-23 Thread Anurag Dobhal
Dear Users: I want to uninstall gromacs 5.0 and replace it with gromacs 5.1. The link provided in the gromacs website (Removing a GROMACS installation) does not give any solution with the same. how can i uninstall gromacs 5.0 ?? Thanks in advance. Anurag Dobhal -- *DISCLAIMER:* *This

[gmx-users] Grompp Error No default Ryckaert-Bell. types

2015-07-10 Thread Anurag Dobhal
Dear gromacs users. I am simulating a molecule in opls-aa force field. While running energy minimization I did get the error "No default Ryckaert-Bell. types". I checked the line in topol.top and it says that dihedral for ( C-CT-OH-HO) has No default Ryckaert-Bell. types. but on checking ffbond

[gmx-users] Grompp error "No default Ryckaert-Bell. types"

2015-05-03 Thread Anurag Dobhal
Hello all How can I address the "No default Ryckaert-Bell. types error". The error is also in between the atoms which are not bonded with each other. Thank you -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidentia

[gmx-users] Fatal error: Atom type Zn2+ (residue ZN) not found in atomtype database

2015-04-09 Thread Anurag Dobhal
Dear all I am running pdb2gmx to creat the topology file of my structure, But I did get the error Fatal error: Atom type Zn2+ (residue ZN) not found in atomtype database Although my .pdb file does not contain Atom type Zn2+ (residue ZN) *Anurag DobhalJuniour Research fellowSupervisor: D

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-10-03 Thread Anurag Dobhal
Thank a lot Justin for your help and time. Thank you On Fri, Oct 3, 2014 at 5:21 PM, Justin Lemkul wrote: > > > On 10/3/14 7:48 AM, Anurag Dobhal wrote: > >> How to iteration the system 26 times. I am unable to understand that part. >> >> please explain how to do

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-10-03 Thread Anurag Dobhal
How to iteration the system 26 times. I am unable to understand that part. please explain how to do it. Thank you On Fri, Oct 3, 2014 at 3:51 PM, Anurag Dobhal < anurag.dob...@nano-medicine.co.in> wrote: > hello Justin thanks for your reply. > > I am unable to understand how to

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-10-03 Thread Anurag Dobhal
file ) and what will be the command ??? looking for your kind reply. please help. Thank you On Thu, Oct 2, 2014 at 10:22 PM, Justin Lemkul wrote: > > > On 10/2/14 12:51 PM, Anurag Dobhal wrote: > >> how will I get to know that the system have shrunken enough, and which

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-10-02 Thread Anurag Dobhal
how will I get to know that the system have shrunken enough, and which file I need to solvate. On Thu, Oct 2, 2014 at 9:16 PM, Justin Lemkul wrote: > > > On 10/2/14 8:50 AM, Anurag Dobhal wrote: > >> Thanks Justin >> >> I m running the command >> >>

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-10-02 Thread Anurag Dobhal
1956) can you please help what caused this error. Thanking you On Tue, Sep 30, 2014 at 8:05 PM, Justin Lemkul wrote: > > > On 9/30/14 10:30 AM, Anurag Dobhal wrote: > >> Dear justin >> >> Thank you for your rely and precious time. >> >> I am aware t

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-09-30 Thread Anurag Dobhal
onfout.gro. so it is actually .trr format, which can not be visualised in VMD or checked in text editor. Please help. On Tue, Sep 30, 2014 at 4:41 PM, Justin Lemkul wrote: > > > On 9/30/14 7:06 AM, Anurag Dobhal wrote: > >> Thank you Justin for your reply >> >>

Re: [gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-09-30 Thread Anurag Dobhal
again for your time. On Tue, Sep 30, 2014 at 4:16 PM, Justin Lemkul wrote: > > > On 9/30/14 5:51 AM, Anurag Dobhal wrote: > >> Hello gromacs users. >> >> >> I am running GROMACS Tutorial of KALP15 in DPPC. >> >> I am in the step define box

[gmx-users] regarding GROMACS Tutorial KALP15 in DPPC

2014-09-30 Thread Anurag Dobhal
Hello gromacs users. I am running GROMACS Tutorial of KALP15 in DPPC. I am in the step define box and solvate. after the command perl inflategro.pl confout.gro 0.95 DPPC 0 system_shrink1.gro 5 area_shrink1.dat i am getting an error as Use of uninitialized value $box_x in multiplication (*)

Re: [gmx-users] Regarding GROMACS Tutorial "KALP15 in DPPC"

2014-09-29 Thread Anurag Dobhal
hello justin Can you please tell me how will i solvate my system. which command will i use and what will be my input and output file. Thanks for your help Anurag dobhal On Sun, Sep 28, 2014 at 6:58 PM, Justin Lemkul wrote: > > > On 9/28/14 9:14 AM, Anurag Dobhal wrote: > >>

Re: [gmx-users] Regarding GROMACS Tutorial "KALP15 in DPPC"

2014-09-28 Thread Anurag Dobhal
On Sun, Sep 28, 2014 at 6:33 PM, Anurag Dobhal < anurag.dob...@nano-medicine.co.in> wrote: > Dear users. > > > I am doing the tutorial "KALP15 in DPPC". > > I heve done till the command > > perl inflategro.pl system.gro 4 DPPC 14 system_inflated.gro 5 a

Re: [gmx-users] Regarding GROMACS Tutorial "KALP15 in DPPC"

2014-09-28 Thread Anurag Dobhal
uot;confout.gro" please help how to proceed and where I am wrong. Thank you Anurag Dobhal On Sun, Sep 28, 2014 at 5:37 PM, Anurag Dobhal < anurag.dob...@nano-medicine.co.in> wrote: > Dear users. > > > I am doing the tutorial "KALP15 in DPPC". &

[gmx-users] Regarding GROMACS Tutorial "KALP15 in DPPC"

2014-09-28 Thread Anurag Dobhal
in easy words how to proceed. Please help Anurag Dobhal -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any review, retransmission, dissemination or other use is prohibited. If you

[gmx-users] Regarding siRNA simulation.

2014-09-28 Thread Anurag Dobhal
I am simulating an RNA molecule in which first residue has a 5'-PO4 cap, which is uncommon. I am adding the atoms and bond parameters in the .rtp files in the existing force field directories but these parameters are not getting saved. I am using Amber 99 force field and i am making changes in the

[gmx-users] Regarding error in grompp while running the tutorial of " KALP15 in DPPC "

2014-09-22 Thread Anurag Dobhal
I am getting an error while running the commmand gmx grompp -f minim.mdp -c dppc128.gro -p topol_dppc.top -o em.tpr Fatal error: Unknown atomtype OW please help !!! -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain c

[gmx-users] regarding gromacs installation

2014-09-22 Thread Anurag Dobhal
steps are enough to install gromacs or do i need to do some thing more. please help. Anurag Dobhal -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidential and / or privileged material. Any review

[gmx-users] Regarding error in grompp while running the tutorial of " KALP15 in DPPC "

2014-09-17 Thread Anurag Dobhal
I am getting an error while running the commmand gmx grompp -f minim.mdp -c dppc128.gro -p topol_dppc.top -o em.tpr Fatal error: Unknown bond_atomtype MNH3 please help -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may conta

[gmx-users] Regarding error in grompp while running the tutorial of " KALP15 in DPPC "

2014-09-17 Thread Anurag Dobhal
I am getting an error while running the commmand gmx grompp -f minim.mdp -c dppc128.gro -p topol_dppc.top -o em.tpr Fatal error: Unknown bond_atomtype MNH3 -- *DISCLAIMER:* *This communication is intended only for the person or entity to which it is addressed and may contain confidentia