Hi Paola,
The switching function in AMBER is designed for use with the Charmm force field. For Lipid 14 we typically used a direct space cut off of 10A in AMBER with no switching function on the VDW.
BTW there is no such thing as the 'amber16 ff' - you should be more specific in what you mean. I suspect you mean Amber Lipid 14 yes?
All the best
Ross
> On Jun 29, 2016, at 17:24, Bisignano, Paola <Paola.Bisignano.ucsf.edu> wrote:
>
> Hi all,
>
>
> I am simulating a membrane protein with NAMD and amber16 ff. With older ff I used 9 for truncated cutoff. Now that the switching function is on on amber 16, I was wondering wich is the best cutoff and switching distance to use: 8-10, 9-11 ?
>
>
> Thanks a lot,
>
>
> Paola
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Received on Wed Jun 29 2016 - 18:00:03 PDT
