> Using AMBER tutorial A1, section 2 uses the software Sirius to build
> unique atom types for there molecule FAM5 to create a library file
> running through LEAP, unfortunately I can not seem to download this
> program. Does anyone know where I can download this software, and
> if not, do you know of any other software that I can download for
> free to determine unique atom types for a molecule? I tried using
> Chimera, GaussView, and ViewerLite and they did not do the trick.