SAMSON Blog – Page 8

A Practical Way to Triage Backbone Groups by Composition and Charge

OneAngstrom

When a molecular structure contains many backbone groups, finding the ones relevant to a question can take longer than expected. You may be looking for groups with a particular elemental composition, a certain number of atoms, or a specific charge.…

Find the atoms that matter: a practical guide to hydrogen-bond selections

OneAngstrom

When a molecular structure contains thousands of atoms, a simple question—“Which atoms could participate in hydrogen bonding?”—can quickly become a selection problem. Hydrogens may clutter the view, protein backbones and side chains may need separate attention, and an atom’s element…

Before You Change a Molecular Structure, Check These Four Things

OneAngstrom

A small uncertainty can slow down molecular modeling: Have I selected the right atoms? Am I looking at the property I meant to inspect? Is this distance or angle worth recording? And if I try an edit, can I get…

Turn One Molecular Fragment Without Losing Control of the Rest

OneAngstrom

Rotating part of a molecule can be surprisingly easy to get wrong. A drag may move the whole selection, use an inconvenient axis, or leave you unsure which side of a bond will rotate. When your goal is to adjust…

Bring a Molecular Detail Closer Without Moving the View’s Focus

OneAngstrom

A close-up can make a molecular structure easier to inspect—but changing the camera target at the same time can shift the visual center of the scene. That may be unwelcome when you want to keep the same point of focus…

Keep molecular geometry in view while the structure changes

OneAngstrom

A distance or angle can look correct in a static structure and change as soon as you move an atom or run an interactive minimization. Repeating measurements by hand interrupts the work—and makes it harder to see whether a geometric…

Before You Send That Molecular Job: A Practical Guide to Access

OneAngstrom

A cloud molecular-modeling job can contain more than a result worth inspecting: it may include input files, intermediate data, and details about how the work was run. When a collaborator asks to see a job, the practical question is not…

From a Crowded Structure List to the Models You Need

OneAngstrom

A molecular scene can contain models that look similar but differ in exactly the details that matter: atom count, chain count, residue count, or total charge. Finding the right one by clicking through objects is slow—and visual inspection will not…

What Am I Looking At? A Practical Guide to SAMSON’s Model Categories

OneAngstrom

When a molecular scene looks wrong—or simply behaves differently than expected—it is tempting to assume the molecule itself is the problem. But a SAMSON document can contain several kinds of models, each with a different job. A surface, a set…

From Static Structure to Clear Motion: A Keyframe Workflow for Atoms

OneAngstrom

A molecular structure can be easy to inspect while still being hard to explain. When you need to show how a group of atoms changes position, a single static view may not communicate the transformation—and moving atoms without a plan…