Finlay Clark

@finlayclark.bsky.social

Postdoc in the Cole Group at Newcastle University interested in molecular mechanics force field development and free energy calculations.

New paper in the JCP Becke special issue. We show that Δ-learning can improve the transferability of MLIP potentials by combining an ANI-style MLIP with a DFTB3 baseline. The approach improves transition-state energetics and long-range interactions beyond the ML cutoff. doi.org/10.1063/5.03...

Δ-learning for transferable machine learning interatomic potentials

Machine-learning interatomic potentials (MLIPs) trained by directly learning the total interatomic interaction energies can suffer from limited transferability,

doi.org

📣 ❗2nd Preprint of the Summer ❗ 📣 "Kinase inhibitors can change protonation or tautomeric state upon binding." LInk: doi.org/10.64898/202... We find that kinase-inhibitors can change in net-charge and tautomer state upon binding (from solution-state to kinase-bound), affecting med-chem choices!

**Please repost** If you're enjoying Paper Skygest -- our personalized feed of academic content on Bluesky -- we'd appreciate you reposting this! We’ve found that the most effective way for us to reach new users and communities is through users sharing it with their network

Post nicht verfügbar.

Check out our pre-print, where we train a protein and small molecule force field from scratch with a graph neural network. We show comparable performance to existing, manually-tuned force fields on a range of tasks including binding free energy prediction. (1/4) arxiv.org/abs/2603.16770

Training a force field for proteins and small molecules from scratch

Force fields for molecular dynamics are usually developed manually, limiting their transferability and making systematic exploration of functional forms challenging. We developed a graph neural networ...

arxiv.org

Many #machinelearning potentials are built (or understood) in terms of "atomic cluster expansions" that link directly to a body-ordered energy decomposition that can be computed explicitly with a sequence of electronic structure calculations. But what kind of expansion do they learn in practice? A🧵

The body ordered expansion, equations

📢 Can AI-Predicted Complexes Teach Machine Learning to Compute Drug Binding Affinity? In our recent JCIM work, we tested whether co-folding models can be used for data augmentation for training ML-based scoring functions (SFs). We asked 3 simple but critical questions. 👇 (1/6)

We’re pleased to announce the full release of the Sage 2.3.0 force field! This is identical to the previous release candidate Sage 2.3.0rc2. Sage 2.3.0 is the first OpenFF force field to use the AshGC neural network charge model. github.com/openforcefie... #compchem

Release Sage 2.3.0 · openforcefield/openff-forcefields

This release adds openff-2.3.0.offxml and openff_unconstrained-2.3.0.offxml. Sage 2.3.0 is the first OpenFF force field to use the AshGC neural network charge model to assign charges. Both vdW para...

github.com

📢 Looking for a PhD in computational drug discovery? Check out this funded opportunity with @agnesnoy.bsky.social at York, in collaboration with researchers at Newcastle, Oxford & Inspiralis! ⬇️

Agnes Noy@agnesnoy.bsky.social · 10mo ago

Would you like to fight against antimicrobial resistance (AMR) developing antibiotics? Apply to the PhD opportunity below and come to York. Collaboration with colegroupncl.bsky.social, @dghilarov.bsky.social and Inspiralis Ltd. Fully funded via DiMeN DTP 💡 www.findaphd.com/phds/project...

"Enhancing Electrostatic Embedding for ML/MM Free Energy Calculations" is now out in #JCTC: pubs.acs.org/doi/10.1021/... Great job by João and team! #compchem

Enhancing Electrostatic Embedding for ML/MM Free Energy Calculations

Hybrid ML/MM approaches that combine machine learning (ML) potentials with molecular mechanics (MM) potentials offer a promising balance between computational cost and accuracy. Most ML/MM simulations reported to date employ mechanical embedding schemes, and rely on Lennard-Jones and Coulomb potentials to model intermolecular interactions between the ML and MM regions. A promising approach to improving ML/MM schemes is to use electrostatic embedding, where polarization effects on the ML region by the MM region are explicitly incorporated. The electrostatic machine learning embedding (EMLE) method has been developed for this purpose. Here, we compute absolute hydration free energies for a set of small organic molecules to derive robust methodologies for training EMLE models using quantum mechanical data. We establish protocols for fine-tuning the static and induced components of electrostatic interactions and evaluate the accuracy limits of fitting these components to first-principles calculations. We also introduce an empirical adjustment to enhance agreement with experimental results, strengthening the competitiveness of ML/MM simulations relative to state-of-the-art methods. Overall, our findings provide valuable insights into the challenges and opportunities of electrostatic embedding ML/MM simulations, and offer strategies for achieving robust modeling of classes of drug-like molecules where the accuracy of conventional MM force fields fall short.

pubs.acs.org

Cole Group@colegroupncl.bsky.social · last yr.

"Enhancing Electrostatic Embedding for ML/MM Free Energy Calculations", by Joao Morado et al, is now available on ChemRxiv! doi.org/10.26434/che... #compchem