seq.addSequenceFeature(new SequenceFeature("Metal", "Metal", 2, 12,
Float.NaN, "MetalGroup"));
FeatureColour red = new FeatureColour(Color.red);
seq.addSequenceFeature(new SequenceFeature("Metal", "Metal", 2, 12,
Float.NaN, "MetalGroup"));
FeatureColour red = new FeatureColour(Color.red);