It indeed seems to be case. Thank you for pointing this out. I have change in the version I have and it will be available soon. reagrds Garib On 20 Jan 2011, at 14:26, Thomas Womack wrote: > The restraint dictionary for hydrogenated tryptophan, lib/data/monomers/t/TRP.cif, lists a 15-atom plane for the sidechain, omitting the atom HZ2. > > Unless this is an exciting result derived from neutron diffraction experiments, would it be possible to fix the dictionary? > > Yours sincerely, > > Thomas Womack (Global Phasing)