Exploring Formats Supported by SAMSON for Molecular Modeling and Beyond

Molecular modeling involves working with diverse data formats, from molecular structures to 3D geometries, images, and even animations. Handling these formats can sometimes feel overwhelming, especially when transitioning between different software tools. Fortunately, with SAMSON, the integrative molecular design platform, you can streamline such tasks thanks to its support for an extensive variety of file formats.

Why File Format Support Matters

For molecular modelers and designers, choosing the right software often hinges on its ability to read, write, and process multiple file types. Imagine spending time converting between formats or recreating molecular models due to incompatibility issues—this can lead to unnecessary frustration and productivity loss. The good news is that SAMSON addresses this pain point by supporting formats that span molecular structures, trajectories, 3D geometries, and more.

Highlights of Format Support

SAMSON’s list of supported formats covers a wide spectrum of needs:

  • Molecular Structures: Common formats such as PDB, SDF, and XYZ are available for import and export. Advanced formats like MMTF and LMPDAT enable support for specific workflows like crystallography, docking, or simulations.
  • Molecular Trajectories: For those analyzing motion and dynamics, SAMSON can handle formats like DCD, TRR, and XTC.
  • 3D Geometries: If you’re working on structural visualization, exporting meshes as formats such as OBJ or glTF ensures compatibility with a range of tools.
  • Python Scripts: SAMSON even reads and executes PY scripts, making it a valuable tool for computational workflows that rely on Python for molecular simulations or data analysis.
  • Images and Movies: Visualization and presentation needs are covered with support for image formats like PNG, JPG, and BMP, while movies or animations can be exported as MP4, WEBM, or GIF.

Quick Focus: Molecular Structures

On the molecular modeling front, SAMSON’s native formats SAM and SAMX stand out. These formats are highly versatile, capable of capturing molecular structures, meshes, animations, and even embedded files like PDFs and Python scripts. The extensive support for standard formats such as CIF, PDB, and GRO ensures you can import diverse data types seamlessly and remove the worry of incompatibility during simulations, refinement, or visualization tasks.

For detailed compatibility, here are some examples from the molecular structures table:

  • PDB: Read and write support for this essential protein data format to ensure seamless work with structural biology data.
  • CIF: Perfect for crystallographers, including macromolecular CIF (mmCIF) files.
  • XYZ: A simple, efficient coordinate file format for atomic-level geometry.
  • LMPDAT: Specifically for those utilizing the LAMMPS simulation package, allowing import and export of topologies.

Beyond Structures: 3D Geometries and Animations

SAMSON isn’t limited to molecular data—it supports workflows involving 3D geometries and meshes, ensuring visualizations are transferable across design platforms. For instance, OBJ and glTF formats are frequently used in 3D rendering tools, making SAMSON highly suitable for multidisciplinary projects requiring scientific, visual, and creative output.

Additionally, SAMSON elevates your presentations by allowing animations to be saved directly in formats like MP4. These movies are ideal for explaining complex molecular dynamics during scientific discussions or for teaching purposes.

Expanding Possibilities with Extensions

In cases where a required file format isn’t directly supported, SAMSON offers additional flexibility through Extensions. These bring tailored functionality—for example, the AutoDock Vina Extended extension supports docking workflows with PDBQT files. Similarly, GROMACS Wizard creates topology files for users specializing in molecular dynamics simulations. And if you need custom support, you can even develop your own importers or exporters using SAMSON’s development tools.

Learn More

SAMSON is designed to simplify data import and export for molecular modelers, computational biologists, and designers. To explore the full list of supported formats and their details, consult the official documentation page.

SAMSON and all SAMSON Extensions are free for non-commercial use. Get your copy at SAMSON Connect.

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