Thank you very much Justin for your quick answer. Greetings -- View this message in context: http://gromacs.5086.x6.nabble.com/pdb2gmx-gives-topol-top-without-values-for-bonds-angles-and-dihedrals-tp5013521p5013524.html Sent from the GROMACS Users Forum mailing list archive at Nabble.com.