[gmx-users] Re: gmx-users Digest, Vol 82, Issue 103

2011-02-13 Thread Adwait Mevada
Dear gmx-users, I am using gromacs 3.3.3 for my current simulations. using it i have already gotten the trajectory file, but i have to do a lateral pressure analysis. I have come to know through the forum that there is gromacs 3.0.2. version which has this facility, i have downloaded it. my

[gmx-users] lateral pressure analysis

2011-02-13 Thread Adwait Mevada
Dear gmx-users, sorry for this repeated mail, the previous one did not have proper subject. I am using gromacs 3.3.3 for my current simulations. using it i have already gotten the trajectory file, but i have to do a lateral pressure analysis. I have come to know through the forum that there i

Re: [gmx-users] Active site

2011-02-13 Thread Justin A. Lemkul
mohsen ramezanpour wrote: Dear Dr.Justin I couldn't find any tutorial for doing free energy cycles with gromacs. Then I was forced to select Umbrella sampling,I read your toturial and it was very useful for me.I know it approximately good now. Please let me know if there are any tutorial for

[gmx-users] Re: Group LEU not found in index file

2011-02-13 Thread Adam Bin Idu Jion
Hi!   I'm simulating a system containg Glycine zwitterions, Leucine and water (i.e. ZGLY, LEU, SOL). I have no problems doing the energy minimization. However, for the production run, I get the error: "Group LEU not found in index file"   How do I fix this problem?     Regards, Adam -- gmx-u

[gmx-users] specific heat

2011-02-13 Thread leila separdar
I have performed an annealing simulation from temp 300 K to 0 K and I do not know how to use g_energy command to give me heat capacity Cv as a function of time or temperature. could anybody help me please? the version of gromacs that I have installed is 4-5-3 -- gmx-users mailing listgmx-users

Re: [gmx-users] Active site

2011-02-13 Thread mohsen ramezanpour
Dear Dr.Justin I remember I had read this toturial. I asked in gmx.groups which method can I select if I want to evaluate binding free energy? And the answer was Umbrella Sampling! Besides, You recommended using free energy cycles in this gmail I just wanted to know other toturials. Please let me

Re: [gmx-users] Re: Group LEU not found in index file

2011-02-13 Thread Justin A. Lemkul
Adam Bin Idu Jion wrote: Hi! I'm simulating a system containg Glycine zwitterions, Leucine and water (/i.e./ ZGLY, LEU, SOL). I have no problems doing the energy minimization. However, for the production run, I get the error: /"Group LEU not found in index file"/ How do I fix this problem

Re: [gmx-users] Active site

2011-02-13 Thread Justin A. Lemkul
mohsen ramezanpour wrote: Dear Dr.Justin I remember I had read this toturial. I asked in gmx.groups which method can I select if I want to evaluate binding free energy? And the answer was Umbrella Sampling! And your reply was that you can't do umbrella sampling efficiently. So the natur

Re: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread majid hasan
I have attached the output of demo, and another Okay, I just ran the demo and kept pressing enter whenever it asked me. Demo ran the pdb2gmx first, and here is what I got. You seem to have the DISPLAY variable is set, so we will pop up a window with the output of the pdb2gmx program Press St

Re: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread Justin A. Lemkul
majid hasan wrote: I have attached the output of demo, and another Okay, I just ran the demo and kept pressing enter whenever it asked me. Demo ran the pdb2gmx first, and here is what I got. You seem to have the DISPLAY variable is set, so we will pop up a window with the output of the pdb2

Fw: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread majid hasan
I have attached the output of "demo", and "water" with the message. I just ran the demo and kept pressing enter whenever it asked me. Demo ran the pdb2gmx first, and here is what I got. You seem to have the DISPLAY variable is set, so we will pop up a window with the output of the pdb2gmx pr

Re: Fw: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread Justin A. Lemkul
majid hasan wrote: I have attached the output of "demo", and "water" with the message. I just ran the demo and kept pressing enter whenever it asked me. Demo ran the pdb2gmx first, and here is what I got. You seem to have the DISPLAY variable is set, so we will pop up a window with the outp

Re: Fw: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread Tsjerk Wassenaar
Hi Majid, Maybe it's a good idea to find somebody around that can help you get started with using linux. You should get acquainted with that before trying to use some specialized software. Cheers, Tsjerk On Feb 13, 2011 6:38 PM, "Justin A. Lemkul" wrote: majid hasan wrote: > > I have attached

Re: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread majid hasan
Thanks, Justin! Sudo seems to have solved my problem, I do get the outputs now. Best, Majid From: Justin A. Lemkul To: Discussion list for GROMACS users Sent: Sun, February 13, 2011 9:30:52 AM Subject: Re: [gmx-users] Output of Gromacs Demo majid hasan wrot

Re: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread Justin A. Lemkul
majid hasan wrote: Thanks, Justin! Sudo seems to have solved my problem, I do get the outputs now. You normally don't want to do any work within the Gromacs installation directories. For the demo, I suppose it's alright, but sudo is really just a work-around to write in directories which

Re: [gmx-users] Output of Gromacs Demo

2011-02-13 Thread majid hasan
Okay, thanks. I will install it again in some other directory. Majid From: Justin A. Lemkul To: Gromacs Users' List Sent: Sun, February 13, 2011 1:39:16 PM Subject: Re: [gmx-users] Output of Gromacs Demo majid hasan wrote: > Thanks, Justin! Sudo seems to h

[gmx-users] TI problem: When Lambda is 0/1, Trun on/off soft core potential get different result

2011-02-13 Thread jia jia
Dear all: I just test the tutrial ( http://www.dillgroup.ucsf.edu/group/wiki/index.php/Free_Energy:_Tutorial) and my own system, and I fond somthing confused me: If I understand correct, when lamda is 0 (all atoms on), there should be no difference between trun on or turn off soft-core potention

[gmx-users] Fwd: specific heat

2011-02-13 Thread leila separdar
I have performed an annealing simulation from temp 300 K to 0 K and I do not know how to use g_energy command in order to give me heat capacity Cv as a function of time or temperature. could anybody help me please? the version of gromacs that I have installed is 4-5-3 -- gmx-users mailing list

Re: [gmx-users] Fwd: specific heat

2011-02-13 Thread David van der Spoel
On 2011-02-14 06.25, leila separdar wrote: I have performed an annealing simulation from temp 300 K to 0 K and I do not know how to use g_energy command in order to give me heat capacity Cv as a function of time or temperature. could anybody help me please? the version of gromacs that I have in