QuickXS I

If you are looking for a common (popular) hetero-compound, chances are that you will find it in the pop-up menu below. If so, select it, and hit the "Go !" button.

QuickXS II

If you know the three-letter code that the PDB uses for your hetero-compound, type it in the box below (in UPPERCASE !), and hit the "Go !" button.