Hi Dale, Set the occupancy of a marker atom to -99.99. > This will unambiguously mark the atom as an imaginary one. This > will, of course, break every program that reads PDB format files,
may be not every -:) phenix.model_vs_data works just fine with http://www.rcsb.org/pdb/files/1BQU.pdb http://www.rcsb.org/pdb/files/1azr.pdb (Um... I guess I just created some work for PDB_REDO folks, sorry -:) ) All the best! Pavel.