>Can you please provide your exact sequence of commands (up to, and including, >genbox) and the exact error message (copied and pasted from the terminal)? >Which version of Gromacs are you using?
I'm using Gromacs 4.5.5 1 pdb2gmx -f 2CCA_dw.pdb -o 2CCA_processed.gro -water spce -merge all FF 9 2 editconf -f 2CCA_processed.gro -o 2CCA_newbox.gro -c -d 1.0 -bt dodecahedron 3 $ genbox -cp 2CCA_newbox.gro -cs spc216.gro -o 2CCA_solv.gro -p topol.top GROMACS > Enter coordinates of centre of box -- View this message in context: http://gromacs.5086.x6.nabble.com/Genbox-center-of-box-tp5008990p5008993.html Sent from the GROMACS Users Forum mailing list archive at Nabble.com. -- gmx-users mailing list gmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! * Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists