!chemical/x-pdb @pdb =use-instead:x-chemical/x-pdb !chemical/x-xyz @xyz =use-instead:x-chemical/x-xyz *!drawing/dwf @dwf =use-instead:x-drawing/dwf x-chemical/x-pdb @pdb x-chemical/x-xyz @xyz x-conference/x-cooltalk @ice x-drawing/dwf @dwf x-world/x-vrml @wrl,vrml