Re: AMBER: How to add H+ ion in leap?

From: xinchen <xinchen.ic.sunysb.edu>
Date: Tue, 17 Feb 2004 15:43:18 -0500

Thank you. So what type you will choose? There seems to be no type in
AMBER for H+ ion in water. Aslo, I tried to add a H+ ion by add 3 lines
in pdb:

TER
ATOM 1232 H+ H+ 77 45.303 29.749 7.497 1.00 0.00
     
TER

But after I load this pdb and check the charge, it's still 0. While a
line
ATOM 1232 Li+ Li+ 77 45.303 29.749 7.497 1.00 0.00
can change the total charge to +1.

What code you will use to add H+ in leap? Or how you can edit the pdb
file to add a H+? Thank you so much.

----- Original Message Follows -----
> > I tried to add H+ to a pdb file using the code below, it seems fine,
> > but when I tried to save to pdb file, it failed as "Segmentation
> > fault". Any suggestions?
>
> There is clearly a bug.. another issue is:
>
> > > hp = createatom HP HW 1.000
>
> The vdw for HW is 0, so I would choose another type.
>
> Bill Ross
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Received on Tue Feb 17 2004 - 20:53:00 PST
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