*** do_average_coords(): *DIFFERENT* model 5 Res HIS90 Atom  HE2 
 *** do_average_coords(): *DIFFERENT* model 10 Res HIS90 Atom  HE2 
 *** do_average_coords(): *DIFFERENT* model 11 Res HIS90 Atom  HE2 
 *** do_average_coords(): *DIFFERENT* model 13 Res HIS90 Atom  HE2 
 *** do_average_coords(): Expect wrong values