Re: [AMBER] Generating parameter and topology files for a protein with multiple Zinc ions

From: Pengfei Li <ambermailpengfei.gmail.com>
Date: Sat, 27 Aug 2016 16:55:54 -0400

Hi Aditya,

You can model multiple zinc centers in a PDB file using ZAFF.

You can send me the LEaP input file if you like. I can help to do a check.

Kind regards,
Pengfei

> On Aug 23, 2016, at 9:00 PM, Aditya Padhi <adi.uoh.gmail.com> wrote:
>
> Dear AMBER users,
>
> I am working with a Protein having DNA and multiple Zinc fingers. The Zing
> fingers are coordinated and stabilized by multiple Zinc ions i.e. around 6
> in number.
>
> When I am generating the parameters for Zinc ions using ZAFF for MD
> simulations in AMBER having multiple Zinc ions, it doesn't generate the
> .inpcrd file and after some tweaks, when I do it again, it saves the
> .prmtop and .inpcrd files but it keeps only 1 Zinc ion that too in the
> water box way far from the protein.
>
> I wanted to know if the ZAFF only works for a protein system having 1 Zinc
> ion or is there any way to include multiple Zinc ions and successfully save
> the parameter and coordinate files for all of them?
>
> Your help would be highly grateful.
> With best regards
> Aditya
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Received on Sat Aug 27 2016 - 14:00:04 PDT
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