Re: [gmx-users] How to obtain a approperiate PDB file of DNA?

2009-04-09 Thread Gerrit Groenhof




Check the program Biomer. I allows you to create any type of DNA  
molecule: http://casegroup.rutgers.edu/Biomer/index.html


You will also need the amber forcefield for DNA.

Gerrit


Message: 7
Date: Fri, 10 Apr 2009 12:21:33 +0800
From: li ming 
Subject: Re: [gmx-users] How to obtain a approperiate PDB file of DNA?
To: Discussion list for GROMACS users 
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<114aa2a90904092121m58c2eceaq42ce8731c9aa...@mail.gmail.com>
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Hi, Mark:

I want to check the chain length of DNA on the translocation time  
through a

nanopore. So the DNA chains with different polymerization but the same
monomer structure is necessary. How can I solve this problem?

Does anybody has a optimized DNA pdb file for GMX simulation?

Thanks a lot!!

Ming

2009/4/10 Mark Abraham 


li ming wrote:


Hi, all...
I have a question on the pdb files of DNA:
How can I obtain an appropriate DNA pdb file for GMX simulation? I  
just
download some pdb files from Internet, but it is not compatible  
for GMX,
saying that the residue was not found in rtp file. How can I solve  
this

problem? Are the references available on this problem?



Perhaps you should start by searching for some tutorial material with
emphasis on these types of simulation.

Furthermore, if I want to get several DNA pdb files with increasing  
degree
of polymerization (such as 10, 20, 50 etc.). How can I achieve  
this goal?




This may or may not be easy to achieve, but you should start by  
describing
it more fully. What are you wanting to polymerize, and what do you  
mean by

that word?

Mark
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--
Ming Li
Institute of Chemistry,Chinese Academy of Sciences
Zhongguancun, Beijing, 100080, P. R. China
Tel: +86-10-13811601014 / 62564829
E-mail: lim...@iccas.ac.cn / mingli1...@gmail.com
...
Knowledge is a city to the building of which every human being  
brought a

stone.
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--
Gerrit Groenhof
MPI biophysical chemistry
Goettingen
Germany
http://wwwuser.gwdg.de/~ggroenh/

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Re: [gmx-users] How to obtain a approperiate PDB file of DNA?

2009-04-09 Thread li ming
Hi, Mark:

I want to check the chain length of DNA on the translocation time through a
nanopore. So the DNA chains with different polymerization but the same
monomer structure is necessary. How can I solve this problem?

Does anybody has a optimized DNA pdb file for GMX simulation?

Thanks a lot!!

  Ming

2009/4/10 Mark Abraham 

> li ming wrote:
>
>> Hi, all...
>>  I have a question on the pdb files of DNA:
>>  How can I obtain an appropriate DNA pdb file for GMX simulation? I just
>> download some pdb files from Internet, but it is not compatible for GMX,
>> saying that the residue was not found in rtp file. How can I solve this
>> problem? Are the references available on this problem?
>>
>
> Perhaps you should start by searching for some tutorial material with
> emphasis on these types of simulation.
>
> Furthermore, if I want to get several DNA pdb files with increasing degree
>> of polymerization (such as 10, 20, 50 etc.). How can I achieve this goal?
>>
>
> This may or may not be easy to achieve, but you should start by describing
> it more fully. What are you wanting to polymerize, and what do you mean by
> that word?
>
> Mark
> ___
> gmx-users mailing listgmx-users@gromacs.org
> http://www.gromacs.org/mailman/listinfo/gmx-users
> Please search the archive at http://www.gromacs.org/search before posting!
> Please don't post (un)subscribe requests to the list. Use the www interface
> or send it to gmx-users-requ...@gromacs.org.
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>



-- 
Ming Li
Institute of Chemistry,Chinese Academy of Sciences
Zhongguancun, Beijing, 100080, P. R. China
Tel: +86-10-13811601014 / 62564829
E-mail: lim...@iccas.ac.cn / mingli1...@gmail.com
...
Knowledge is a city to the building of which every human being brought a
stone.
___
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Re: [gmx-users] How to obtain a approperiate PDB file of DNA?

2009-04-09 Thread Mark Abraham

li ming wrote:

Hi, all...
 
I have a question on the pdb files of DNA:
 
How can I obtain an appropriate DNA pdb file for GMX simulation? I just 
download some pdb files from Internet, but it is not compatible for GMX, 
saying that the residue was not found in rtp file. How can I solve this 
problem? Are the references available on this problem?


Perhaps you should start by searching for some tutorial material with 
emphasis on these types of simulation.


Furthermore, if I want to get several DNA pdb files 
with increasing degree of polymerization (such as 10, 20, 50 etc.). How 
can I achieve this goal? 


This may or may not be easy to achieve, but you should start by 
describing it more fully. What are you wanting to polymerize, and what 
do you mean by that word?


Mark
___
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