Selected molecules can be copied or cut, and molecules can be pasted with the Copy, Cut and Paste menus.
The following limitation applies to cutting/copying a protein: The whole protein put to the clipboard, no matter components were cut out earlier.
The following limitation applies to cutting components from a protein: cut not working on water components.
The Open MarvinSketch menu enables molecule constructing on the fly, for changes made in the Sketcher are reflected immediately to MarvinSpace. Selected ligands will instantly appear for editing in the opening MarvinSketch window.