Hi Eduardo,
Some visualization softwares completes the structure, even if it's broken. I suggest you to look at the .pdb file directly in notepad and check out the composition of your HIS415. Regards -- Marcelo Depólo Polêto Molecular Animal Infectology Laboratory - LIMA Department of Biochemistry and Molecular Biology Universidade Federal de Viçosa - UFV * <http://opensourcebioinformatics.com/site/>* -- 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