Thanks Justin.

-----Original Message-----
From: gmx-users-boun...@gromacs.org [mailto:gmx-users-boun...@gromacs.org] On 
Behalf Of Justin Lemkul
Sent: Thursday, September 26, 2013 7:51 PM
To: Discussion list for GROMACS users
Subject: Re: [gmx-users] Membrane simulation with OPLS ff.



On 9/26/13 10:47 PM, Christopher Neale wrote:
> Dear Karthi:
>
> As far as I am aware, there is no OPLSAA lipid force field. I have 
> used Berger lipids with OPLSAA protein ( 
> http://www.pomeslab.com/files/lipidCombinationRules.pdf ) but that is mixing 
> a UA lipid with an AA protein so be aware of possible problems arising out of 
> that.
>

There are OPLS-compatible lipids, though they are UA, but specifically designed 
to be used with OPLS-AA:

dx.doi.org/10.1021/ct900086b

I have not seen these parameters used very widely, though.

> Charmm has proteins and lipids, but charmm lipids require charmm tip3p 
> water (or at least tip4p or spc, certainly not regular tip3p) and are 
> thus slower to simulate in gromacs. I'm more recently using the Slipids 
> (stockholm lipids) and Amber99SB-ILDN protein forcefield.
>

Solid choices.

-Justin

--
==================================================

Justin A. Lemkul, Ph.D.
Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 601
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalem...@outerbanks.umaryland.edu | (410) 706-7441

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