[gmx-users] lipid tutorial problem

[Mark Abraham]

On 13/02/2012 8:54 PM, prashant kurkute wrote:
> Dear all,
> I am very new to GROMACS.
> The my problem may be a very basic and stupid but very big for me!!!!!!..
> I am performing Justin Lemkul  Lipid tutorial
> (http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/index.html)
> and I am upto the 3rd stage.
> But after  giving following command
>
> grompp -f minim.mdp -c dppc128.gro -p topol_dppc.top -o em.tpr
>
> I got the error like
>
>
> Fatal error:
> Atomtype CA not found
>
> Please give me some valuable suggetion.

It seems likely you haven't followed the instructions well enough. It's 
impossible for us to guess the manner in which that has occurred, 
however. I suggest you start afresh, and proceed very carefully :-)

Mark