Note: see 'Mouse Help' and 'Keypad Help' for key combinations


1) New Ligand: click the 'New Ligand ...' button on the top-menu and fill in the details


2) Load Ligand: enter a monomer code in the 'Load Ligand' textfield or use the 'Search Library ...' facility


3) Ligand from file: choose a filetype from the 'Open' menu


4) Add Atom: choose an atom type from the menu on the left, click on the focus atom then SHIFT-click anywhere on the canvas


5) Move Atom: move cursor over the atom, hold-down SHIFT, click button and drag mouse or keypad


6) Change Atom Type or Charge: double-click on the appropriate atom


7) Delete Atom: click the 'Del' menu button, then click on the chosen atom


8) Add Bond: bonds are automatically added when adding an atom, but if you would like to join two atoms, click the 'Link' menu button, click on the 1st atom then the 2nd atom


9) Change Bond Type: double-click on the appropriate bond


10) Delete Bond: click the 'Del' menu button, then click on the chosen bond


11) Link: click the 'Link' menu button, click on the 1st atom (ligand 1), then on the 2nd atom (ligand 2)


12) Regularise: choose the appropriate ligand to regularise from the 'Regularise' item on the menu bar; note that ligands which are not regularised have a RED ligand id label which changes to BLACK when the ligand is regularised