Marc BaadenBioSpring presents an elastic network framework for hands-on, real‑time probing of macromolecular mechanics—augmenting springs with electrostatics, implicit membranes, and density fitting. Nice demos: protein flexibility, protein–DNA docking, membrane insertion. Curious how folks integrate such interactive steps before heavy MD?
#molecularsimulation #structuralbiology #interactive #opensource 🧪
Hands‑on, real‑time molecular mechanics with an elastic network “BioSpring” engine
This work presents BioSpring, a lightweight simulation framework that lets researchers explore macromolecules interactively, in real time. It augments classic elastic network models with practical force terms—van der Waals, Coulomb, implicit membranes, precomputed electrostatic fields, density fitting, and solvent accessibility—so users can probe flexibility, allostery, docking, and membrane interactions without heavy compute. The engine links to visualization and optional haptics, enabling intuitive push‑pull manipulation while remaining within biophysically sensible energy ranges. Demonstrations include protein conformational changes, elastic protein–DNA docking guided by fields, and membrane protein insertion using implicit bilayers, with turnkey setups via MolPlay and open‑source code at https://biospring.mol3d.tech ↗.