Re: [gmx-users] make_ndx error

2013-01-26 Thread Justin Lemkul
On 1/26/13 1:57 PM, Albert wrote: On 01/26/2013 07:51 PM, Justin Lemkul wrote: Can you please post the following: 1. The groups printed in the make_ndx prompt 2. The output of gmxcheck on an index file created from your coordinate file (created simply by typing 'q' at the prompt, i.e. not cr

Re: [gmx-users] make_ndx error

2013-01-26 Thread Albert
On 01/26/2013 07:51 PM, Justin Lemkul wrote: Can you please post the following: 1. The groups printed in the make_ndx prompt 2. The output of gmxcheck on an index file created from your coordinate file (created simply by typing 'q' at the prompt, i.e. not creating any special groups) -Justi

Re: [gmx-users] make_ndx error

2013-01-26 Thread Justin Lemkul
On 1/26/13 1:49 PM, Albert wrote: On 01/26/2013 07:41 PM, Justin Lemkul wrote: What types of ions do you have? I can reproduce this problem for a protein with ions bound to it, which are numbered discontinuously with water and ions in solution. -Justin thank you for kind reply. I only ha

Re: [gmx-users] make_ndx error

2013-01-26 Thread Albert
On 01/26/2013 07:41 PM, Justin Lemkul wrote: What types of ions do you have? I can reproduce this problem for a protein with ions bound to it, which are numbered discontinuously with water and ions in solution. -Justin thank you for kind reply. I only have Na+ and Cl-. best Albert -- gm

Re: [gmx-users] make_ndx error

2013-01-26 Thread Justin Lemkul
On 1/26/13 1:30 PM, Albert wrote: On 01/26/2013 06:53 PM, Justin Lemkul wrote: What exactly did you enter at the make_ndx prompt? -Justin 1|25 protein, water and ions What types of ions do you have? I can reproduce this problem for a protein with ions bound to it, which are numb

Re: [gmx-users] make_ndx error

2013-01-26 Thread Albert
On 01/26/2013 06:53 PM, Justin Lemkul wrote: What exactly did you enter at the make_ndx prompt? -Justin 1|25 protein, water and ions -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs

Re: [gmx-users] make_ndx error

2013-01-26 Thread Justin Lemkul
On 1/26/13 12:25 PM, Albert wrote: Hello: I am using make_ndx to make a index file in Gromacs 4.6, make_ndx -f input.pdb but it said: Copied index group 1 'Protein' Copied index group 25 'Water_and_ions' One of your groups is not ascending Group is empty What exactly did you enter a

[gmx-users] make_ndx error

2013-01-26 Thread Albert
Hello: I am using make_ndx to make a index file in Gromacs 4.6, make_ndx -f input.pdb but it said: Copied index group 1 'Protein' Copied index group 25 'Water_and_ions' One of your groups is not ascending Group is empty thank you very much best Albert -- gmx-users mailing listgmx-users

Re: [gmx-users] make_ndx

2012-09-29 Thread Justin Lemkul
On 9/29/12 3:02 PM, Ali Alizadeh wrote: Dear All users make_ndx How to i can create a my especial index file? Is there a tutorial related to it? http://www.gromacs.org/Documentation/Gromacs_Utilities/make_ndx Also, typing "help" at the prompt when running make_ndx provides examples and

Re: [gmx-users] make_ndx: duplicates groups appearing in index.ndx file

2012-07-31 Thread Justin Lemkul
On 7/31/12 10:14 AM, Laura Kingsley wrote: Hello, I've just switched from using Gromacs version 4.0.5 to 4.5.5, and I'm having an issue with make_ndx. Using the old version I have a single group showing up for each "odd" residue, eg JJJ shows up once as group 16 for example. When I use the new

[gmx-users] make_ndx: duplicates groups appearing in index.ndx file

2012-07-31 Thread Laura Kingsley
Hello, I've just switched from using Gromacs version 4.0.5 to 4.5.5, and I'm having an issue with make_ndx. Using the old version I have a single group showing up for each "odd" residue, eg JJJ shows up once as group 16 for example. When I use the new version on the same file I get 2 groups a

[gmx-users] make_ndx: atomname selection

2012-04-24 Thread Javier Cerezo
Hi all I'd like to do a selection of atom names such as: a C1 C3 C2 C4 to get an index file with 4 atoms (no other matches in the file) and then use it with g_angle to calculate the dihedral. The problem is that make_ndx does not keep the order of atoms in the resulting index file as they ar

Re: [gmx-users] make_ndx select atoms from different residues

2012-01-31 Thread Mark Abraham
On 1/02/2012 5:02 AM, Zhuyi Xue wrote: Hi, there I would like to select, for example, CA of GLY, CB of PRO, so I typed r GLY& a CA | r PRO& a CB, but it doesn't work. make_ndx also doesn't support parenthesis, either. Previously, I used "r GLY& a CA" (save as group 1), then "r PRO& a CB"

[gmx-users] make_ndx select atoms from different residues

2012-01-31 Thread Zhuyi Xue
Hi, there I would like to select, for example, CA of GLY, CB of PRO, so I typed r GLY& a CA | r PRO& a CB, but it doesn't work. make_ndx also doesn't support parenthesis, either. Previously, I used "r GLY& a CA" (save as group 1), then "r PRO& a CB" (save as group 2), then "1|2", and final

Re: [gmx-users] make_ndx and rdf

2011-10-03 Thread Justin A. Lemkul
-- *From:* Justin A. Lemkul *To:* Molecular Dynamics ; Discussion list for GROMACS users *Sent:* Monday, October 3, 2011 5:17 PM *Subject:* Re: [gmx-users] make_ndx and rdf Molecular Dynamics wrote: > Dear All, > > I want to calculate rdf for carbon-oxygen, carbon-hydrogen and car

Re: [gmx-users] make_ndx and rdf

2011-10-03 Thread oguz gurbulak
g list. So I will be appreciate for any help. Thanks for your help. From: Justin A. Lemkul To: Molecular Dynamics ; Discussion list for GROMACS users Sent: Monday, October 3, 2011 5:17 PM Subject: Re: [gmx-users] make_ndx and rdf Molecular Dynamics wrote: >

Re: [gmx-users] make_ndx and rdf

2011-10-03 Thread Justin A. Lemkul
Molecular Dynamics wrote: Dear All, I want to calculate rdf for carbon-oxygen, carbon-hydrogen and carbon-water using g_rdf but how can I generate an .ndx file that are suitable for these systems ? I searched mailing list and read manual but couldn't generate .ndx file using make_ndx tool.

[gmx-users] make_ndx and rdf

2011-10-03 Thread Molecular Dynamics
Dear All, I want to calculate rdf for carbon-oxygen, carbon-hydrogen and carbon-water using g_rdf but how can I generate an .ndx file that are suitable for these systems ? I searched mailing list and read manual but couldn't generate .ndx file using make_ndx tool. However, I tried to see the ma

Re: [gmx-users] make_ndx unable to save

2011-09-30 Thread Justin A. Lemkul
ram bio wrote: Dear Gromacs Users, I have simulated a protein -ligand complex in the popc bilayer and while analysing the results i want to find distance between two residues in the protein during simulation. For that I think I have to use g_hbond command by creating an index.file containi

[gmx-users] make_ndx unable to save

2011-09-30 Thread ram bio
Dear Gromacs Users, I have simulated a protein -ligand complex in the popc bilayer and while analysing the results i want to find distance between two residues in the protein during simulation. For that I think I have to use g_hbond command by creating an index.file containing the new groups, but

[gmx-users] make_ndx

2011-03-26 Thread ZHAO Lina
Hi, Does the "!" in make_ndx work? "|" and "&" work, but seems "!" not work. I met something weird, suppose I choose a C11, which is from ri 1-111. if use a C11, the atom is 111 if use a C11 & ri 1-111, the atom is 111 if use a C11 & ri 101-111, the atom is 5. Which is expected to be 10, so this

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Justin A. Lemkul
Paymon Pirzadeh wrote: I assumption was that when provide the index file, do_dssp will do the analysis for the protein but prints out the results only for the designated residues. All I wanted was a better resolution on the final When prompted for only one group, that group is used for calcul

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Paymon Pirzadeh
I assumption was that when provide the index file, do_dssp will do the analysis for the protein but prints out the results only for the designated residues. All I wanted was a better resolution on the final xpm plot to see the secondary structure of the protein at those residues of interest. Any su

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Justin A. Lemkul
Paymon Pirzadeh wrote: Justin, I produced the index file based on your suggestion, but when I ran the do_dssp, a completely different result was spit out comparing to what the whole protein analysis had given. Any ideas on why that might have happened? That depends on what "completely differ

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Paymon Pirzadeh
Justin, I produced the index file based on your suggestion, but when I ran the do_dssp, a completely different result was spit out comparing to what the whole protein analysis had given. Any ideas on why that might have happened? Paymon On Wed, 2010-10-06 at 14:42 -0400, Justin A. Lemkul wrote: >

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Justin A. Lemkul
Paymon Pirzadeh wrote: Hello, I want to check the secondary structure of protein at particular residues. Since dssp needs all main chain atoms, does the following command at the make_ndx prompt makes the correct index file? You can answer that yourself by looking at the resulting index file.

Re: [gmx-users] make_ndx for do_dssp

2010-10-06 Thread Paymon Pirzadeh
Hello, I want to check the secondary structure of protein at particular residues. Since dssp needs all main chain atoms, does the following command at the make_ndx prompt makes the correct index file? 5 | r 1 | r 10-11 |r 14-17 | r 20-21 | r 26-32 | r 42 | r 45 (Main chain atom of particular

[gmx-users] make_ndx: execlude one group from another

2010-09-24 Thread Thomas Schlesier
Hi all, I'm trying to execlude all atoms of group 2 (140 atoms) from group 1 (300 atoms), so that i have a new group 3 (with 160 atoms). | is for merging with OR & for merging with AND so ! should be for merging with NOT But i tried 1 ! 2 2 ! 1 but in both cases make_ndx complains about syntax e

Re: [gmx-users] make_ndx: execlude one group from another

2010-09-24 Thread Mark Abraham
- Original Message - From: Thomas Schlesier Date: Friday, September 24, 2010 18:43 Subject: [gmx-users] make_ndx: execlude one group from another To: "gmx-users@gromacs.org" > Hi all, > I'm trying to execlude all atoms of group 2 (140 atoms) from > group 1 (30

Re: [gmx-users] make_ndx: execlude one group from another

2010-09-24 Thread Erik Marklund
Thomas Schlesier skrev 2010-09-23 13.03: Hi all, I'm trying to execlude all atoms of group 2 (140 atoms) from group 1 (300 atoms), so that i have a new group 3 (with 160 atoms). | is for merging with OR & for merging with AND so ! should be for merging with NOT But i tried 1 ! 2 2 ! 1 but in b

[gmx-users] make_ndx: execlude one group from another

2010-09-24 Thread Thomas Schlesier
Hi all, I'm trying to execlude all atoms of group 2 (140 atoms) from group 1 (300 atoms), so that i have a new group 3 (with 160 atoms). | is for merging with OR & for merging with AND so ! should be for merging with NOT But i tried 1 ! 2 2 ! 1 but in both cases make_ndx complains about syntax e

Re: [gmx-users] make_ndx help

2009-08-25 Thread Justin A. Lemkul
parthi...@ncbs.res.in wrote: Hi Anyone can please tell how to index 2 or more groups using make_ndx eg: 1 protein 12 sol 13 NA+ i tried giving >1&12, which shows that the "Group is empty" Type "help" at the make_ndx prompt; you will see a number of examples. There are also more exa

Re: [gmx-users] make_ndx help

2009-08-25 Thread TJ Piggot
1|12 merges the two groups into a new group (1&12 will merge into a new group any atoms which are in both groups 1 and 12, of which there are none in this case) Tom --On Wednesday, August 26, 2009 04:07:20 +0530 parthi...@ncbs.res.in wrote: Hi Anyone can please tell how to index 2 or more

[gmx-users] make_ndx help

2009-08-25 Thread parthiban
Hi Anyone can please tell how to index 2 or more groups using make_ndx eg: 1 protein 12 sol 13 NA+ i tried giving >1&12, which shows that the "Group is empty" thanks in advance Parthiban ___ gmx-users mailing listgmx-users@gromacs.org http

Re: Re: [gmx-users] make_ndx option

2009-07-09 Thread sharada
Hi, Use splitat for group 3. sharada -- Original Message -- From: Venkat Reddy To: Discussion list for GROMACS users Date: Thu, 9 Jul 2009 19:54:18 +0530 Subject: Re: [gmx-users] make_ndx option Hi Anirban ! First u hav to notedown the C-alpha atoms nos seperately from ur atom file. Then

Re: [gmx-users] make_ndx option

2009-07-09 Thread Venkat Reddy
Hi Anirban ! First u hav to notedown the C-alpha atoms nos seperately from ur atom file. Then execute the command "make_ndx -f input.gro -o index.ndx".After this command, it gives a prompt. At that prompt you have to make a new group for the core region, for this you need to have the list of resid

Re: [gmx-users] make_ndx option

2009-07-09 Thread Rubben Torella
Hi Anirban, when you choose in make_ndx, you choose group 3 and (&) r 2 3 4 5 6...and so on... in make_ndx there is a legend that explain this passage well... Bye! 2009/7/9 Anirban Ghosh > Hi ALL, > > I want to create an index file using make_ndx which will contain only > C-alpha atoms of some r

[gmx-users] make_ndx option

2009-07-09 Thread Anirban Ghosh
Hi ALL, I want to create an index file using make_ndx which will contain only C-alpha atoms of some residues (like from residue no 2-10, res 25-30, res 36-40). How should I give this option in make_ndx. Any suggestion is welcome. Regards,  Anirban GhoshGrade Based Engineer Bioinformatics Team

[gmx-users] make_ndx "one of your groups is not ascending"

2008-09-10 Thread Alan Dodd
I'm having trouble with using make_ndx with a specific file.  Whenever I try to combine or use a specific group (group content at bottom) I get the error "One of your groups is not ascending", and the group is not actually included in the subsequent group produced.  As far as I can see, the numb

Re: Re: Re: [gmx-users] make_ndx problem

2008-07-20 Thread JMandumpal
  I think, after creating an index file, you can edit it manually clubbing both Phosphorius and Oxygen atoms together ( considering as a single group). Then specify this group while doing analysis. On Wed, 16 Jul 2008 minnale wrote : > Thanks for the reply, may be this is trivial question to

Re: Re: [gmx-users] make_ndx problem

2008-07-16 Thread minnale
Thanks once again. Ideally I shouldnt do for whole system. Ok. On Wed, 16 Jul 2008 Justin A.Lemkul wrote : > > >minnale wrote: >> but here I am calculating density for 128 lipids not for 64 lipids. Is it >> right what iam doing? > >The examples on the wiki are just a few illustrative ideas, m

Re: [gmx-users] make_ndx problem

2008-07-16 Thread Justin A. Lemkul
minnale wrote: but here I am calculating density for 128 lipids not for 64 lipids. Is it right what iam doing? The examples on the wiki are just a few illustrative ideas, meant to inspire the fact that you can analyze whatever subset of your system you wish. You can certainly analyze all

Re: [gmx-users] make_ndx problem

2008-07-16 Thread Justin A. Lemkul
minnale wrote: Thanks for the reply, may be this is trivial question to you That I know that how to select phosrous atom alone of POPC. Normally people are using only phosphrous atom or PO4 group ? for density calculation ,etc analysis. In one article I found that they have done density ana

Re: Re: [gmx-users] make_ndx problem

2008-07-16 Thread minnale
Thanks for the reply, may be this is trivial question to you That I know that how to select phosrous atom alone of POPC. Normally people are using only phosphrous atom or PO4 group ? for density calculation ,etc analysis. In one article I found that they have done density analysis for PO4 group

Re: [gmx-users] make_ndx problem

2008-07-16 Thread Florian Haberl
Hi, On Wednesday, 16. July 2008, minnale wrote: > Hi Users, > I want to do analysis of g_density of lipidbilayer so how can I select po4 > and N(CH3)3 groups seperately by using make_ndx from popc. Can anyone tell > me detail with which options use? > I have checked in archives that create sn1.nd

Re: [gmx-users] make_ndx problem

2008-07-16 Thread Justin A. Lemkul
minnale wrote: Hi Users, I want to do analysis of g_density of lipidbilayer so how can I select po4 and N(CH3)3 groups seperately by using make_ndx from popc. Can anyone tell me detail with which options use? I have checked in archives that create sn1.ndx and sn2.ndx files but i didnt get c

[gmx-users] make_ndx problem

2008-07-16 Thread minnale
Hi Users, I want to do analysis of g_density of lipidbilayer so how can I select po4 and N(CH3)3 groups seperately by using make_ndx from popc. Can anyone tell me detail with which options use? I have checked in archives that create sn1.ndx and sn2.ndx files but i didnt get celarly. Thanks

Re: [gmx-users] make_ndx problem

2008-05-07 Thread Xavier Periole
On 7 May 2008 07:10:11 - "minnale " <[EMAIL PROTECTED]> wrote: Hi all, it may be trivial question My protien contain nearly 200 residues, I want plot RMSD for 45 to 90 residues , So I made make_ndx file also, but I am doubting that what i have I done whether right ot wrong? I have selct

[gmx-users] make_ndx problem

2008-05-07 Thread minnale
Hi all, it may be trivial question My protien contain nearly 200 residues, I want plot RMSD for 45 to 90 residues , So I made make_ndx file also, but I am doubting that what i have I done whether right ot wrong? I have selcted 1 | r 45-90 1 = protein , the way I have selected is correct or

[gmx-users] make_ndx for separating all atoms in two monolayers in a bilayer

2008-04-15 Thread Ananya Debnath
Hi, I want to create an index file which will contain indices of all the atoms in two monolayers separately in a bilayer. For this purpose I have copied a python script from a post in gromacs mailing list, and did a simple modification. But after modification, make_ndx gives me error like "Group 1

Re: Re: [gmx-users] make_ndx

2007-10-23 Thread sarbani chattopadhyay
 Thanks Mark, I could do it following your suggestion. Sarbani On Wed, 24 Oct 2007 Mark Abraham wrote : >sarbani chattopadhyay wrote: >> hi, >> I want to select two groups in the index

Re: [gmx-users] make_ndx

2007-10-23 Thread Mark Abraham
sarbani chattopadhyay wrote: hi, I want to select two groups in the index file, one group consisting of only the aromatic ring of phenylalanine and the other group consisting of only the alpha carbon. I want to know the way to use the make_ndx command for this. After entering make_ndx

[gmx-users] make_ndx

2007-10-23 Thread sarbani chattopadhyay
 hi, I want to select two groups in the index file, one group consisting of only the aromatic ring of phenylalanine and the other group consisting of only the alpha carbon. I want to know the way to use the make_ndx command for this. ___ gmx-use

RE: [gmx-users] make_ndx

2007-09-26 Thread Naser, Md Abu
PROTECTED] on behalf of David van der Spoel Sent: Thu 27/09/2007 7:29 AM To: Discussion list for GROMACS users Subject: Re: [gmx-users] make_ndx Naser, Md Abu wrote: > Thanks david! > oops I misread. Sidechains do not contain C-alpha (which you can easily check in the index file). So

Re: [gmx-users] make_ndx

2007-09-26 Thread David van der Spoel
] Phone: +44(0)1314518265 Fax : +44(0) 131 451 3009 -Original Message- From: [EMAIL PROTECTED] on behalf of David van der Spoel Sent: Thu 27/09/2007 7:17 AM To: Discussion list for GROMACS users Subject: Re: [gmx-users] make_ndx Naser, Md Abu wrote: > Hi XAvier, > > "

Re: [gmx-users] make_ndx

2007-09-26 Thread Xavier Periole
egards, Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265 Fax : +44(0) 131 451 3009 -Original Message- From: [EMAIL PROTECTED] on behalf of Xavier Periole Sent: Wed 26/09/2007 8:42 PM To: Discussion

RE: [gmx-users] make_ndx

2007-09-26 Thread Naser, Md Abu
: Discussion list for GROMACS users Subject: Re: [gmx-users] make_ndx Naser, Md Abu wrote: > Hi XAvier, > > "Single out" I mean pick up only the side chain bonded with alpha > carbon atom and > put them in a group using make_ndx. > all side chains are. and sidechain

Re: [gmx-users] make_ndx

2007-09-26 Thread David van der Spoel
University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265 Fax : +44(0) 131 451 3009 -Original Message- From: [EMAIL PROTECTED] on behalf of Xavier Periole Sent: Wed 26/09/2007 8:42 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] make_ndx On Wed, 26 Sep

RE: [gmx-users] make_ndx

2007-09-26 Thread Naser, Md Abu
+44(0) 131 451 3009 -Original Message- From: [EMAIL PROTECTED] on behalf of Xavier Periole Sent: Wed 26/09/2007 8:42 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] make_ndx On Wed, 26 Sep 2007 20:08:06 +0100 "Naser, Md Abu" <[EMAIL PROTECTED

Re: [gmx-users] make_ndx

2007-09-26 Thread Xavier Periole
On Wed, 26 Sep 2007 20:08:06 +0100 "Naser, Md Abu" <[EMAIL PROTECTED]> wrote: Hi All User, Is there anyway I can single out side chain of alpha carbon atom using make_ndx? What do you mean by "single out" and with "side chain of alpha carbon" ? Thanks in advance. Abu Naser School Of Li

[gmx-users] make_ndx

2007-09-26 Thread Naser, Md Abu
Hi All User, Is there anyway I can single out side chain of alpha carbon atom using make_ndx? Thanks in advance. Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265 Fax : +44(0) 131 451 3009

Re: [gmx-users] make_ndx and residue name length

2007-09-05 Thread Alan Dodd
Subject: RE: [gmx-users] make_ndx and residue name length >From: Alan Dodd <[EMAIL PROTECTED]> >Reply-To: Discussion list for GROMACS users >To: gmx-users@gromacs.org >Subject: [gmx-users] make_ndx and residue name length >Date: Tue, 4 Sep 2007 10:55:07 -0700 (PDT) > &g

RE: [gmx-users] make_ndx and residue name length

2007-09-05 Thread Berk Hess
From: Alan Dodd <[EMAIL PROTECTED]> Reply-To: Discussion list for GROMACS users To: gmx-users@gromacs.org Subject: [gmx-users] make_ndx and residue name length Date: Tue, 4 Sep 2007 10:55:07 -0700 (PDT) The maximum permissible residue name length is at least 5 characters long for a

[gmx-users] make_ndx and residue name length

2007-09-04 Thread Alan Dodd
The maximum permissible residue name length is at least 5 characters long for a tpr or gro, but the length of residue name permitted by make_ndx is only 4 characters. And of course, pdb should have only 3 characters. While I can change the names in a gro or a pdb quite quickly and easily, is t

RE: [gmx-users] make_ndx not working

2007-02-08 Thread Dallas B. Warren
Camilo, >What is missing here? Why does make_ndx not see the individual atoms in the configuration file? What is displayed by make_ndx when you have execute it? Which particular file do you run it on? Catch ya, Dr. Dallas Warren Lecturer Department of Pharmaceutical Biology and Pharmacology

[gmx-users] make_ndx not working

2007-02-08 Thread Camilo Calderon
Hello all, I am trying to generate an index file for a box of solvent, and I must be missing a key detail somewhere... The following is the command that I am using: make_ndx -f conf.gro -o index.ndx The conf.gro that I am using is the same as one of those provided in the 'top' folder, which is

Re: [gmx-users] make_ndx

2006-06-24 Thread Dongsheng Zhang
Hello, Manuel, Thank you very much for your trick. It is neat. Have a nice weekend! Dongsheng On Sun, 2006-06-25 at 02:58 +0200, Manuel Prinz wrote: > Hello Dongsheng! > > Am Samstag, den 24.06.2006, 17:26 -0400 schrieb Dongsheng Zhang: > > In make_ndx, I would like to keep two groups, for in

Re: [gmx-users] make_ndx

2006-06-24 Thread Manuel Prinz
Hello Dongsheng! Am Samstag, den 24.06.2006, 17:26 -0400 schrieb Dongsheng Zhang: > In make_ndx, I would like to keep two groups, for instance, group 4 and > group 5. I have try it in two ways, namely, "keep 4 & keep 5" and "keep > 4 | keep 5". However both ways only keep group 4. Anyway to accom

[gmx-users] make_ndx

2006-06-24 Thread Dongsheng Zhang
Hello, gmx users: In make_ndx, I would like to keep two groups, for instance, group 4 and group 5. I have try it in two ways, namely, "keep 4 & keep 5" and "keep 4 | keep 5". However both ways only keep group 4. Anyway to accomplish my task is to delete other groups one by one, but it is not so c

Re: [gmx-users] make_ndx problem

2006-06-10 Thread David van der Spoel
bharat v. adkar wrote: Dear GMX users... i have a protein-peptide complex wherein peptide does not have one of the terminal carboxy oxygen atoms (i.e., it has -CO only). I designate A to peptide and B to protein chain. when i do pdb2gmx, it adds the missing O, so now the group is -COO. Now w

[gmx-users] make_ndx problem

2006-06-10 Thread bharat v. adkar
Dear GMX users... i have a protein-peptide complex wherein peptide does not have one of the terminal carboxy oxygen atoms (i.e., it has -CO only). I designate A to peptide and B to protein chain. when i do pdb2gmx, it adds the missing O, so now the group is -COO. Now with this gro file, i tri