no such table: atoms
no such table: atoms
    while executing
"$db eval {select a.x,a.y,a.z,a.pk_atoms from atoms as a, chains as c, pdb as p where  p.name=$pdb and  c.pk_pdb=p.pk_pdb and  c.name=$chn and  a.pk_ch..."
    (procedure "AppliqueSuperposition" line 17)
    invoked from within
"AppliqueSuperposition"
    (procedure "FaitSuperposition" line 111)
    invoked from within
"FaitSuperposition 1"
    invoked from within
".ordali.fbout.select.frmsst.fin invoke"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 [list $w invoke]"
    (procedure "tk::ButtonUp" line 22)
    invoked from within
"tk::ButtonUp .ordali.fbout.select.frmsst.fin"
    (command bound to event)