From: Jim Phillips (jim_at_ks.uiuc.edu)
Date: Mon Jan 26 2004 - 17:41:55 CST

Hi,

Ionic and H-bond interactions has are represented by a combination of
electrostatic and Lennard-Jones (vdW) terms in the force field, and even
if there were special terms they would not apply to specific combinations
of atoms or residues as a disulphide bond does. Therefore there is no
patch needed to add them explicitly to a system.

-Jim

On Mon, 26 Jan 2004, Han Choe wrote:

> Hi everyone,
>
> Is it possible to patch ionic interaction and hydrogen bond like
> disulfide bond during generation of a psf file?
>
> Cheers,
> Han
>