How to Precisely Control Fragment Orientation When Building Molecules

When modeling complex molecular structures, one of the most common — and frustrating — pain points for molecular modelers is achieving the precise spatial arrangement of molecular fragments. Whether you’re building ligands, assembling macromolecular complexes, or preparing simulation-ready systems, accurate…

Editing Molecules on the Fly: Dynamic Topology with IM-UFF

If you’ve ever tried to interactively modify molecular models during a simulation—adding atoms, breaking or forming bonds—you probably ran into the challenge of keeping energies consistent and topologies valid. For molecular modelers, working with fixed topologies can be limiting, especially…

Installing SAMSON Without Admin Rights: A Relief for Molecular Modelers

Installing scientific software can often be a frustrating process. Between admin privileges, system compatibility, and inevitable troubleshooting, molecular modelers often spend more time configuring tools than doing research. If you’ve encountered admin barriers—especially in institutional or academic settings where you…

Running GROMACS Simulations in the Cloud with SAMSON

Setting up molecular dynamics (MD) simulations can be complex and time-consuming, especially when dealing with hardware limitations or compatibility issues. Running simulations on your own machine is not always feasible when dealing with large systems or long simulation times. If…

Easily Filter Folders by Atom Counts in SAMSON

If you’ve ever worked on a large molecular system in SAMSON, you know how challenging it can be to find the exact folders that contain specific subsets of data—especially when dealing with deeply nested models or extensive molecular datasets. One…