Re: [gmx-users] protein membrane system

2012-12-25 Thread Justin Lemkul
On 12/25/12 12:53 PM, Shima Arasteh wrote: In order to compare the first and the second .gro file, I used grep -c OW (file.gro) to see how many waters exist in my new system. I got 22352, however I got 23703 before ( when I had not deleted the disturbing water molecules). So 23703-22352=13

Re: [gmx-users] protein membrane system

2012-12-25 Thread Shima Arasteh
es by VMD. Any body helps meĀ  please? I would appreciate you. Sincerely Shima - Original Message - From: Justin Lemkul To: Shima Arasteh ; Discussion list for GROMACS users Cc: Sent: Tuesday, December 25, 2012 4:56 PM Subject: Re: [gmx-users] protein membrane system On 12/25/12 2:

Re: [gmx-users] protein membrane system

2012-12-25 Thread Justin Lemkul
On 12/25/12 2:42 AM, Shima Arasteh wrote: Hi all, I'm trying to simulate a system of POPC- Protein- Water- Ion following the Justin's tutorial of Kalp15-DPPC. I get the system-solved-ion.gro and run energy minimization. I saw some water molecules in em.gro file, therefore, I erase them a

Re: [gmx-users] Protein-membrane system

2011-02-17 Thread Justin A. Lemkul
egards, Jianguo *From:* Itamar Kass *To:* Discussion list for GROMACS users *Sent:* Thursday, 17 February 2011 07:20:19 *Subject:* Re: [gmx-users] Protein-membrane system Dear Aldo, It is totally OK to see water molecules within the bilayer, both in simulations and rea

Re: [gmx-users] Protein-membrane system

2011-02-16 Thread Jianguo Li
s, Jianguo From: Itamar Kass To: Discussion list for GROMACS users Sent: Thursday, 17 February 2011 07:20:19 Subject: Re: [gmx-users] Protein-membrane system Dear Aldo, It is totally OK to see water molecules within the bilayer, both in simulations and real life. If I am not totally w

Re: [gmx-users] Protein-membrane system

2011-02-16 Thread Itamar Kass
Dear Aldo, It is totally OK to see water molecules within the bilayer, both in simulations and real life. If I am not totally wrong, 3000 water molecule per lipids per second are being transferred across the bilayer without any protein involvement. If your system is stable, the lipids densit

Re: [gmx-users] Protein-membrane system

2011-02-16 Thread Justin A. Lemkul
Aldo Segura wrote: Dear gmx-users, I completed a MD (10 ns) of my protein-membrane system. When I perform a visual inspection (VMD) of md_0_1.gro file I observed a few water molecules within the bilayer. In previous steps (e.g. equilibration) this was not observed. Could be expected such beh