[gmx-users] Atomtpe HW not found-2

[Mark Abraham]

On 10/01/2011 2:41 AM, trevor brown wrote:
> Dear friends,
> My run commands are below. It works without any error.
> However if I add -water tip3p at the end of pdg2gmx ... line it causes 
> an error (Atomtpe HW not found) at grompp time.
> Could anyone explain the difference?
> trevor
> pdb2gmx -ignh -f XXX.pdb -o fws.gro -p fws.top
> editconf -f fws.gro -bt dodecahedron -d 1.0
> editconf -f out.gro -o fws_ctr.gro -center 1.7 1.7 1.2
> genbox -cp fws_ctr.gro -cs spc216.gro -o fws_b4em.gro -p fws.top

Not all water models are intended to go with all force fields. G43a1 
does not define the HW atom type used for TIP3P water, possibly by 
Berk's design :-). I don't remember whether it's reasonable to want to 
use TIP3P with the GROMOS forcefields, but presumably SPC water will 
work with them.

Mark