Visualizing molecular systems can often be overwhelming, especially when working with complex structures or large datasets. The Visual Presets feature in SAMSON offers a streamlined solution to this challenge by allowing you to apply multiple visual representations and color schemes to your molecular model in just a few simple clicks. This blog post will guide you on how to effectively use visual presets and enhance your molecular modeling workflows.
What Are Visual Presets?
Visual presets let you apply predefined or customized visualization styles to your molecular systems. This means you can combine various visual models, color schemes, and actions to instantly adapt your view to suit your analysis.
For instance, a visual preset can highlight ligands in licorice representation, display receptors as ribbons, and color everything by chain simultaneously. This powerful feature is ideal for presenting data, exploring molecular interactions, or creating publication-ready images.
How to Apply Visual Presets
Applying a visual preset in SAMSON is straightforward:
- Click on Home > Visual preset or Visualization > Visual preset to access the preset list.
- Choose a preset from the list, such as the “Protein-ligand” preset.
The preset will either apply to your selected nodes or, if no nodes are selected, to the entire document. The result? A beautifully visualized molecular system organized into a folder in your document.
Here’s how the “Protein-ligand” preset looks when applied to the PDB structure 1AA1:
Create Your Own Visual Presets
What if the default presets don’t quite fit your needs? SAMSON allows you to create and customize your own visual presets with the Visual Preset Editor. Follow these steps:
- Go to Home > Visual preset > Create… or Visualization > Visual preset > Create….
- To build a preset from scratch, click the plus button
next to the existing presets, then start adding steps. - Each step includes: node selection, actions, visual models, and color schemes.
The steps are customizable. For example, you can create your own node selection criteria using SAMSON’s Node Specification Language. You can also add multiple actions (e.g., zoom onto specific atoms or display labels), define visual models (like Van der Waals or Ribbons), and apply tailored color schemes.
This process ensures that you have complete control over your visualizations and can save tailored presets for future use, speeding up your workflows and ensuring consistency in presentations.
Conclusion
By leveraging visual presets, you can significantly streamline your molecular visualization and focus on insights instead of tedious manual setups. Whether you’re working with default styles or customizing your own, SAMSON simplifies the job of creating clear, professional molecular representations.
For more details, visit the official documentation for visual presets.
SAMSON and all SAMSON Extensions are free for non-commercial use. You can get SAMSON here.