Hello all, suppose I would like to remove one alternate conformation B from residue 1 in chain A and set the occupancy of remaining atoms in that residue to 1. phenix.pdbtools alts_minim.pdb occupancies.set=1 \ occupancies.atom_selection=”chain A and resid 1” \ keep=”not (chain A and altid B and resid 1)” \ output.file_name=alts.out.pdb There are better methods to achieve that, but I eventually would like to expand this command to do other “things” to my coordinates. Well, so far I have failed to have the atom_selection to work the way *I* expect. stdout reveals that the program fails to apply a common scope to the command switches, and proceeds to reset occupancies of all atoms. Can this be done on the command line? A minimal (not) working example is attached, and your feedback appreciated. Best regards. Wolfram Tempel