Hi Rinu, See what forcefield files you include in your topology, then go to the force field folders and check if those indeed have that atom types. You must indeed be missing the CA type. Likely, you just forgot to include some topology file.
V On 2 Jul 2014, at 10:23, gromacs.org_gmx-users-requ...@maillist.sys.kth.se<mailto:gromacs.org_gmx-users-requ...@maillist.sys.kth.se> wrote: ------------------------------ Message: 2 Date: Wed, 2 Jul 2014 12:26:07 +0530 From: RINU KHATTRI <nickname.mi...@gmail.com<mailto:nickname.mi...@gmail.com>> To: gmx-us...@gromacs.org<mailto:gmx-us...@gromacs.org> Subject: [gmx-users] error in grompp command Message-ID: <caoefx3kbphak_brp4l4orcp_gsbsusohnlughx0wyjwewua...@mail.gmail.com<mailto:caoefx3kbphak_brp4l4orcp_gsbsusohnlughx0wyjwewua...@mail.gmail.com>> Content-Type: text/plain; charset=UTF-8 hello gromacs i an working on protein ligand complex with lipid membrane (popc) grompp -f minim.mdp -c popc128.gro -p topol_popc.top -o em.tpr -maxwarn -1 after this fatal error atomtypes CA not found and only md.oonly mdout is formed kindly help ------------------------------ -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.
