purinePyrimidineColour.addActionListener(this);
// RNAInteractionColour.setLabel(MessageManager
// .getString("label.rna_interaction"));
// RNAInteractionColour.addActionListener(this);
RNAHelixColour.setLabel(MessageManager
purinePyrimidineColour.addActionListener(this);
// RNAInteractionColour.setLabel(MessageManager
// .getString("label.rna_interaction"));
// RNAInteractionColour.addActionListener(this);
RNAHelixColour.setLabel(MessageManager