Re: [AMBER] how to add lipid

From: Bill Ross <ross.cgl.ucsf.edu>
Date: Tue, 25 Aug 2015 01:36:57 -0700

Looks like it isn't a pdb file - how about pasting a few lines here.

Bill

<div>-------- Original message --------</div><div>From: mohammad r <mohammad.r0325.yahoo.com> </div><div>Date:08/24/2015 11:14 PM (GMT-08:00) </div><div>To: AMBER Mailing List <amber.ambermd.org> </div><div>Subject: Re: [AMBER] how to add lipid </div><div>
</div>the error is like this:
Creating new UNIT for residue: CLA sequence: 7622
Created a new atom named: CLA within residue: .R<CLA 7622>
Creating new UNIT for residue: CLA sequence: 7623
Created a new atom named: CLA within residue: .R<CLA 7623>
  total atoms in file: 22939
  Leap added 208 missing atoms according to residue templates:
       208 H / lone pairs
  The file contained 22738 atoms not in residue templates



     On Tuesday, August 25, 2015 9:13 AM, mohammad r <mohammad.r0325.yahoo.com> wrote:
   

Thank you Bill;
Before I use the loadpdb, I load leaprc.ff14SB, frcmod.ionsjc_tip3p, leaprc.lipid14 force fields.I've read the leap tutorial but still I don't know which section you mean. Do you know any other turorials?Also, is there another way to generate the solvated system except packmol? Maybe it would help.
Best, M.




     On Monday, August 24, 2015 11:50 PM, Bill Ross <ross.cgl.ucsf.edu> wrote:
   

So you have to find or build residue templates and load them before loadpdb. Have you studied the tutorials yet? They are good for this. By now you should also have found papers by people who have done this in Amber to get the parameters at least.

Bill

<div>-------- Original message --------</div><div>From: mohammad r <mohammad.r0325.yahoo.com> </div><div>Date:08/24/2015 10:44 AM (GMT-08:00) </div><div>To: AMBER Mailing List <amber.ambermd.org> </div><div>Subject: Re: [AMBER] how to add lipid </div><div>
</div>No it cannot recognize the residues in the pdb file


    On Monday, August 24, 2015 10:11 PM, Jason Swails <jason.swails.gmail.com> wrote:
  

On Mon, Aug 24, 2015 at 1:28 PM, mohammad r <mohammad.r0325.yahoo.com>
wrote:

> I tried loadpdb, but it couldnot read it.
>

‚ÄčIs it a PDB file?? If loadPDB doesn't read it, there is probably
something wrong with the PDB file and it violates the PDB standard in some
way.

-- 
Jason M. Swails
BioMaPS,
Rutgers University
Postdoctoral Researcher
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Received on Tue Aug 25 2015 - 02:00:02 PDT
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