OneAngstrom – Page 16

Choosing Initial Conformations for Umbrella Sampling Without Guesswork

Setting up an umbrella sampling simulation can be a tedious process, especially when trying to decide which snapshots to use as initial conformations. Molecular modelers often find themselves manually selecting frames from trajectories or trying to estimate proper spacing between…

Making Sense of Bond Types in Molecular Models (Without the Guesswork)

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When you’re inspecting or designing molecular systems, it’s easy to overlook how deeply bond types influence molecular behavior. Whether you are analyzing a drug molecule, building a polymer, or examining a crystal structure, the type of bond—single, double, aromatic, and…

Quickly Filter and Control Notes with NSL in SAMSON

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As molecular modelers, we often use annotations—or note nodes—to clarify structures, mark regions of interest, or collaborate with others. However, in large models, these notes can become overwhelming unless we have a fast way to search, filter, and toggle their…

Stop Getting Lost in Molecular Models: How Document View Helps You Stay Organized in SAMSON

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Molecular modelers often juggle multiple structures, simulations, and scripts all at once. Keeping track of everything inside a complex molecular modeling project can quickly become overwhelming—especially when dealing with large biomolecular systems or comparing multiple candidate structures. That’s where the…

Manually Build Carbon Nanotubes in SAMSON with Pattern Editors

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Carbon nanotubes (CNTs) are widely used in nanotechnology, materials science, and molecular simulation. But for many molecular modelers, designing a CNT manually—with precise atomic control—can be tedious and unintuitive. Whether you’re prototyping a custom topology or studying interactions at the…

Saving Hours: How to Prepare Hundreds of Protein Structures at Once with SAMSON

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If you’ve ever worked on a large-scale protein modeling or virtual screening project, you’ve probably experienced the tedious task of preparing many protein structures for simulation or docking. Downloading PDB files, cleaning them, removing unwanted molecules, and adding missing atoms…

How to Select Charged Residues in SAMSON Using NSL

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As a molecular modeler, it is often essential to quickly identify specific types of amino acid residues based on their chemical properties. One common need is to filter residues by charge state—for example, isolating positively charged residues when analyzing protein-solvent…

Accelerating Ligand Unbinding Path Optimization with P-NEB in SAMSON

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Finding accurate transition paths between molecular conformations is a key task in computational chemistry and molecular modeling. Yet, the process can be time-consuming and computationally expensive, especially if not properly initialized or accelerated. A major pain point for researchers is…

Easier PMF Analysis with WHAM: A GROMACS Wizard Overview

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For molecular modelers working with free energy calculations, computing the Potential of Mean Force (PMF) can be a challenging and often error-prone process. One of the most common bottlenecks is merging umbrella sampling results into a reliable PMF profile. Errors…

No Manual Needed: Master Molecular Modeling Tasks with Built-In Tutorials

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One of the recurring challenges for molecular modelers—especially those new to a platform—is getting started with complex software tools and understanding how to perform key tasks without getting overwhelmed by documentation. If you’ve ever faced a steep learning curve when…