5.1.6 Selection

Objects in the display can be selected by clicking on them using the Left mouse button. The selection is cleared between button clicks (or by clicking in the background) unless the Shift or Ctrl key is also held down when clicking.

Double-clicking using the Left mouse button expands the current selection to the next logical grouping. For instance, double-clicking on a selected atom in a protein will expand the selection to include all of the atoms in the same residue as the original selected atom. Double-clicking on this selected set again will expand the selection to include either the entire chain if there are multiple chains, otherwise it will include the entire molecule.

Selection can also be performed using a lasso style selection method by holding down the Right mouse button and moving the mouse in the window to define a selection rectangle (a dotted rectangle will be displayed on the screen as you do this). Releasing the Right mouse button will select all of the atoms and bonds inside of the rectangle. The previous selection will be cleared unless the Shift or Ctrl key is also held down while moving the mouse. Lasso style selection of surfaces and grids is not currently supported.

Additional methods of molecule selection are available on the Molecules page of the Style Window (see section 5.7.2).