A molecular structure can contain exactly the information you need and still be difficult to read. Atoms, chains, waters, ligands, and overlapping representations compete for attention; a useful feature may disappear inside the whole. The solution is not always to add more detail. Often, a clearer view comes from deciding what to show, choosing a representation for each part, and keeping the underlying structure intact.
Here’s a practical workflow in SAMSON for turning a crowded molecular scene into a view that is easier to inspect and explain.
1. Start by choosing what the image needs to explain
Before changing the display, decide what a viewer should notice first: the overall fold, a ligand-binding site, selected chains, or a particular group of atoms. That choice guides the next steps. For example, a ribbon representation can clarify a protein’s secondary structure, while a licorice representation can make selected atoms and bonds easier to see.
If you already know which chains, residues, or atoms matter, select them before adding a visual model. In SAMSON, a newly added visual model applies to the current selection; if nothing is selected, it applies to the whole document. This small check prevents a common frustration: adding a representation to the entire system when you meant to apply it only to one part.
2. Separate the structure from its visual representation
Visual models provide alternate ways to display structural models. To add one, use Visualization > Visual model, or press Ctrl/Cmd + Shift + V, then choose a model such as Ribbons or Licorice. You can apply more than one visual model to the same nodes, which is useful when different representations answer different questions.
For a protein-focused view, try adding Ribbons to the relevant chains, then add Licorice to a smaller selection that needs atom-level detail. If the original structural model adds visual clutter, hide it in the Document view by unchecking its box. Hiding changes what is displayed; it lets you simplify the view without removing the structure from the document.
3. Use visibility to reduce clutter, not to lose context
The Document view is a useful place to show or hide chains, residues, folders, visual models, and other nodes. Uncheck a node to hide it, and check it again to show it. Hiding a parent normally hides its descendants too, so hiding a residue also hides its atoms. A checked box can still indicate that some descendants remain visible.
For a more targeted edit, select nodes in the Document view or viewport and use the Visibility section of the context toolbar. This makes it possible to hide only the selection or change visibility across the scene. A practical approach is to hide irrelevant components temporarily, then check the view again at a wider scale: the goal is to clarify the feature, not to remove so much context that its location becomes confusing.
4. Make representations readable with color and transparency
Color can distinguish components that share the same space. Select a visual model and apply a color scheme through its context toolbar, Visualization > Color, or the Inspector. Some visual models support color schemes; for example, the Ribbons model can be colorized. If you want more options for palettes and schemes, see the Colorizing guide.
Transparency is another way to preserve context while emphasizing a feature. For supported nodes—including some structural and visual models—select the node and adjust its transparency in the Inspector. A partially transparent structural model can remain visible behind an opaque secondary-structure representation, giving you both context and a clear focal layer.
5. Use presets as a starting point, then capture the view
If you want a quick baseline, choose a visual preset from Visualization > Visual preset. Presets can apply multiple visual representations and color schemes based on selectors. For example, the Protein-ligand preset provides a quick way to style a molecular complex. A preset is a starting point, not a requirement: you can refine visibility, color, and representation afterward.
When the view is ready, save it with a viewport capture. Press F10 to save to the folder specified in capture preferences, Ctrl/Cmd + F10 to choose a location, or Shift + F10 to copy the capture to the clipboard. Before capturing, check that the important feature is visible, the representation is not obscured, and the framing gives enough context to interpret the scene.
The central idea is simple: select deliberately, use representations for different levels of detail, and hide or soften elements that compete with the point you want to show. For more examples and the complete workflow, see the SAMSON Visualizing documentation.
Note: SAMSON and all SAMSON Extensions are free for non-commercial use. Get SAMSON.