Sign in

Matthieu Schapira

@mattschap.bsky.social
934 followers 90 following 15 posts

Prof @ U. Toronto - PI @ SGC - CACHE challenges - Computational chemistry- Structural bioinformatics - Biophysics

PostsRepliesMedia
Reposted by Matthieu Schapira
The Matter Lab @thematterlab.bsky.social · 21/08/2025
What if, instead of trying to predict properties of every molecule, we focus on simply ranking them? After all, when running Bayesian optimization (BO) for drug/materials discovery, what matters is picking the best candidates first. Paper: doi.org/10.1063/5.02... Code: github.com/gkwt/rbo [1/5]
183
Matthieu Schapira @mattschap.bsky.social · 12/08/2025
CACHE 7 is launched with support from the @gatesfoundation.bsky.social and unpublished data from Damian Young at @bcmhouston.bsky.social, Tim Willson @thesgc.bsky.social and Neelagandan Kamaria InSTEM. Design selective PGK2 inhibitors. We'll test them experimentally. bit.ly/4lnVYOs
0116
Reposted by Matthieu Schapira
Pat Walters @wpwalters.bsky.social · 22/07/2025
New Practical Cheminformatics Post patwalters.github.io/Three-Papers...
0189
Reposted by Matthieu Schapira
Noel Research Group @noelgroupuva.bsky.social · 10/07/2025
New @chemrxiv.bsky.social preprint! RoboChem-Flex is a powerful, low-cost (<5k EUR), modular self-driving lab for chemical synthesis We showcase 6 studies (photochemistry, biocatalysis, cross coupling, ee ...), all optimized with different configurations & ML 🔗 chemrxiv.org/engage/chemr...
37321
Reposted by Matthieu Schapira
The Align Foundation @alignbio.bsky.social · 08/07/2025
1/4 🚀 Announcing the 2025 Protein Engineering Tournament. This year’s challenge: design PETase enzymes, which degrade the type of plastic in bottles. Can AI-guided protein design help solve the climate crisis? Let’s find out! ⬇️ #AIforBiology #ClimateTech #ProteinEngineering #OpenScience
12320
Reposted by Matthieu Schapira
Chris de Graaf @cdg-gpcr.bsky.social · 02/07/2025
Closing the loop on #GenAI for #GPCR #SBDD www.nature.com/articles/s41... tinyurl.com/yeyhfr7j
nature.com
Identification of nanomolar adenosine A2A receptor ligands using reinforcement learning and structure-based drug design - Nature Communications
Here the authors combine a deep generative model with structure-based drug design and prospectively validate functionally active, nanomolar, A2A adenosine receptor ligands and solve their crystal stru...
1177
Matthieu Schapira @mattschap.bsky.social · 20/06/2025
Now in JCIM: pubs.acs.org/doi/full/10....
pubs.acs.org
CACHE Challenge #2: Targeting the RNA Site of the SARS-CoV-2 Helicase Nsp13
AbstractA critical assessment of computational hit-finding experiments (CACHE) challenge was conducted to predict ligands for the SARS-CoV-2 Nsp13 helicase RNA binding site, a highly conserved COVID-1...
065
Reposted by Matthieu Schapira
Jan Hermann @hrmnn.net · 18/06/2025
🚀 After two+ years of intense research, we’re thrilled to introduce Skala — a scalable deep learning density functional that hits chemical accuracy on atomization energies and matches hybrid-level accuracy on main group chemistry — all at the cost of semi-local DFT ⚛️🔥🧪🧬
37225
Matthieu Schapira @mattschap.bsky.social · 16/06/2025
CACHE4 results are out! All previously known CBLCB ligands shared the same scaffold. Congrats to Keunwan Park who successfully designed a chemically novel series, to the experimental team at @thesgc.bsky.social and thanks to @conscience-network.bsky.social for greasing the wheels! bit.ly/4mYNe3r
185
Reposted by Matthieu Schapira
Olexandr Isayev 🇺🇦 🇺🇸 @olexandr.bsky.social · 11/06/2025
This week's cover of @rsc.org @chemicalscience.rsc.org AIMNet2: a neural network potential to meet your neutral, charged, organic, and elemental-organic needs. pubs.rsc.org/en/content/a... #compchem #chemsky
33311
Reposted by Matthieu Schapira
Gabriele Corso @gcorso.bsky.social · 06/06/2025
Excited to unveil Boltz-2, our new model capable not only of predicting structures but also binding affinities! Boltz-2 is the first AI model to approach the performance of FEP simulations while being more than 1000x faster! All open-sourced under MIT license! A thread… 🤗🚀
1021391
Reposted by Matthieu Schapira
Jean-Philip Piquemal @jppiquem.bsky.social · 07/06/2025
#compchem #machinelearning If you want to know more about #FeNNix-Bio1, the first foundation model able to perform accurate - long timescale- condensed phase molecular simulations of biological systems at quantum accuracy, join me in incoming live presentations: www.linkedin.com/feed/update/...
linkedin.com
#fennix #machinelearning #gtc25 #cecam #watoc #vivatech #ai #docking #gpu… | Jean-Philip Piquemal
If you want to know more about #FeNNix-Bio1, the first #machinelearning foundation model able to perform accurate - long timescale- condensed phase molecular simulations of biological systems at quant...
061
Reposted by Matthieu Schapira
Emma Flynn @emmaflynn.bsky.social · 27/05/2025
Our new preprint PharmacoForge: Pharmacophore Generation with Diffusion Models is out now! PharmacoForge quickly generates pharmacophores for a given protein pocket that identify key binding features and find useful compounds in a pharmacophore search. Check it out! 🧪 doi.org/10.26434/che...
1209
Reposted by Matthieu Schapira
Sam Blau @samblau.bsky.social · 14/05/2025
The Open Molecules 2025 dataset is out! With >100M gold-standard ωB97M-V/def2-TZVPD calcs of biomolecules, electrolytes, metal complexes, and small molecules, OMol is by far the largest, most diverse, and highest quality molecular DFT dataset for training MLIPs ever made 1/N
54610
Reposted by Matthieu Schapira
Gianni De Fabritiis @gdefabritiis.bsky.social · 07/05/2025
Check out AceFF 1.1 huggingface.co/Acellera/Ace...
huggingface.co
Acellera/AceFF-1.1 · Hugging Face
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
031
Reposted by Matthieu Schapira
Jean-Philip Piquemal @jppiquem.bsky.social · 06/05/2025
#compchem New preprint: "A Foundation Model for Accurate Atomistic Simulations in Drug Design" FeNNix-Bio1, a foundation #machinelearning model for biosimulations doi.org/10.26434/che... #compchemsky #biosky Great work by T. Plé & the teams @lct-umr7616.bsky.social & @qubit-pharma.bsky.social
doi.org
A Foundation Model for Accurate Atomistic Simulations in Drug Design
Neural network potentials now offer robust alternatives to electronic structure and empirical force fields computations for the on-the-fly production of the potential energy surfaces required in atomi...
0235
Reposted by Matthieu Schapira
Acceleration Consortium @accelerationc.bsky.social · 06/05/2025
👋 🤖 Meet El Agente–an autonomous AI for performing computational chemistry, made by the Matter Lab @uoft.bsky.social. This #LLM-powered multi-agent system making computational chemistry more accessible will soon be available worldwide. Sign up 4 the launch: acceleration.utoronto.ca/news/meet-el...
1179
Matthieu Schapira @mattschap.bsky.social · 05/05/2025
@thesgc.bsky.social is generating large/open screening data and inviting data scientists to train their ML models via DREAM challenges: 1- train your model on DEL data 2- retrospectively predict 138 ASMS true positives 3- predict new hits. We will test them and publish together. bit.ly/3YXVKoT
bit.ly
First DREAM Target 2035 Drug Discovery Challenge
'First DREAM Target 2035 Drug Discovery Challenge' (Synapse ID: syn65660836) is a project on Synapse. Synapse is a platform for supporting scientific collaborations centered around shared biomedic...
056
Reposted by Matthieu Schapira
Diego del Alamo @delalamo.xyz · 27/04/2025
"De novo prediction of protein structural dynamics" I'll be presenting an overview of the field tomorrow at a workshop. Link to a PDF copy of the presentation: delalamo.xyz/assets/post_...
delalamo.xyz
56917
Reposted by Matthieu Schapira
Kevin K. Yang 楊凱筌 @kevinkaichuang.bsky.social · 25/04/2025
Encode protein structures as a series of discrete tokens, train a language model, and sample protein structural conformations given the sequence. arxiv.org/abs/2410.18403
2429
Reposted by Matthieu Schapira
Kresten Lindorff-Larsen @lindorfflarsen.bsky.social · 17/04/2025
AlphaFold is amazing but gives you static structures 🧊 In a fantastic teamwork, @mcagiada.bsky.social and @emilthomasen.bsky.social developed AF2χ to generate conformational ensembles representing side-chain dynamics using AF2 💃 Code: github.com/KULL-Centre/... Colab: github.com/matteo-cagia...
320663
Reposted by Matthieu Schapira
Jan H. Jensen @janhjensen.bsky.social · 18/04/2025
New preprint: Finding Drug Candidate Hits With a Hundred Samples: Ultra-low Data Screening With Active Learning doi.org/10.26434/che... #compchem
a depiction of the active learning cycle: smaple-train-predict-repeat
0133
Reposted by Matthieu Schapira
E. Richard Gold @richardgold.bsky.social · 10/04/2025
The future of AI-drug discovery hinges on large, high-quality, standards-based datasets. No country or firm can build this alone. We need to construct datasets together in the open: www.science.org/doi/10.1126/... @tridentpct.bsky.social @conscience-network.bsky.social @mcgilluniversity.bsky.social
science.org
AI drug development’s data problem
The future of drug discovery may be artificial intelligence (AI), but its present is not. AI is in its infancy in the field. To help AI mature, developers need nonproprietary, open, large, high-qualit...
063
Reposted by Matthieu Schapira
Martin Steinegger 🇺🇦 @martinsteinegger.bsky.social · 29/03/2025
Run BioEmu in Colab - just click "Runtime → Run all"! Our notebook uses ColabFold to generate MSAs, BioEmu to predict trajectories, and Foldseek to cluster conformations. Thanks @jjimenezluna.bsky.social for the help! 🌐 colab.research.google.com/github/sokry... 📄 www.biorxiv.org/content/10.1...
colab.research.google.com
Google Colab
110141
Reposted by Matthieu Schapira
Nature @nature.com · 27/03/2025
AlphaFold, the revolutionary, Nobel prize-winning tool for predicting protein structures, has a problem: it’s running low on data go.nature.com/3FJRyTd
go.nature.com
AlphaFold is running out of data — so drug firms are building their own version
Thousands of 3D protein structures locked up in big-pharma vaults will be used to create a new AI tool that won’t be open to academics.
04713
Reposted by Matthieu Schapira
Conscience @conscience-network.bsky.social · 25/03/2025
🚀One week left to register for our Symposium on Open Drug Discovery! Join us in Montreal April 7-8 for an exciting program showcasing how open science and AI are driving drug discovery. Some sessions are already sold out, so register now! Register by April 2nd: conscience.ca/symposium2025
conscience.ca
Conscience Symposium on Open Drug Discovery - Submission and registration are open! - Conscience
Registration is now open for the second annual Conscience Symposium on Open Drug Discovery! Join us at the Society for Arts and Technology in Montreal on April 7-8, 2025, for two days of insightful ta...
012
Reposted by Matthieu Schapira
Volker Blum @aimsduke.bsky.social · 12/03/2025
This is a remarkable paper! A gigantic dataset of highly precise, highly accurate first-principles data. This builds on years of work on @fhi-aims.bsky.social - enabling dispersion-corrected hybrid DFT that covers a huge swath of chemical space. Congrats to the authors! doi.org/10.1038/s415...
urldefense.com
The QCML dataset, Quantum chemistry reference data from 33.5M DFT and 14.7B semi-empirical calculations - Scientific Data
Scientific Data - The QCML dataset, Quantum chemistry reference data from 33.5M DFT and 14.7B semi-empirical calculations
2378
Reposted by Matthieu Schapira
Structural Genomics Consortium (SGC) @thesgc.bsky.social · 13/03/2025
🚀 100 scientists. 31 countries. And we’re just getting started. #MAINFRAME is uniting global experts to drive AI-powered hit finding. ML models trained on real experimental data. Predictive tools tested in the lab. 🔗 Now is the time to join: aircheck.ai/mainframe
054
Reposted by Matthieu Schapira
Adam Pecina @adampecina.bsky.social · 10/03/2025
New Perspective on Community Benchmarking in Structure-Based Drug Design (SBDD)! #SBDD predictions need reliable benchmarks - diverse targets, high-quality affinity & structural data, and blinded validation. Let’s make it happen! 🔗 Read more: doi.org/10.1021/acs.... #DrugDiscovery #CompChem
doi.org
The Need for Continuing Blinded Pose- and Activity Prediction Benchmarks
Computational tools for structure-based drug design (SBDD) are widely used in drug discovery and can provide valuable insights to advance projects in an efficient and cost-effective manner. However, d...
1188
Reposted by Matthieu Schapira
Arne Schneuing @rne.bsky.social · 07/03/2025
The code & camera-ready version of our #ICLR2025 paper on "Multi-domain Distribution Learning for De Novo Drug Design" are now available 📚 Paper: openreview.net/forum?id=g3V... 💻 Code: github.com/LPDI-EPFL/Dr... (1/4)
2257
Matthieu Schapira @mattschap.bsky.social · 10/03/2025
...and kudo to Karina Machado and @dkoes.compstruct.org for their winning predictions and to @karlasatchell.bsky.social for the unwinding assays!
012
Matthieu Schapira @mattschap.bsky.social · 10/03/2025
The CACHE #2 preprint is now online: bit.ly/3DyCmHN Active learning and fragment growing delivered confirmed hits. A citizen scientist using the Fold-it gaming interface designed the top compound! Kudos to Sasha and Madhushika @thesgc.bsky.social at the bench. @conscience-network.bsky.social
077
Reposted by Matthieu Schapira
Greg Landrum @greglandrum.bsky.social · 01/03/2025
Today's #RDKit blog post is a tutorial on using the AdjustQueryProperties function to have more control over substructure queries greglandrum.github.io/rdkit-blog/p...
greglandrum.github.io
Tuning substructure queries – RDKit blog
Making querying more flexible without using SMARTS
0104
Reposted by Matthieu Schapira
Olexandr Isayev 🇺🇦 🇺🇸 @olexandr.bsky.social · 28/02/2025
Stand with UKRAINE! #standWithUkraine
410030
Reposted by Matthieu Schapira
Cole Group @colegroupncl.bsky.social · 25/02/2025
Very excited for this Symposium on Open Drug Discovery in Montreal, many thanks to @conscience-network.bsky.social for the opportunity to talk about our work in Cache2! #compchem
0104
Reposted by Matthieu Schapira
Ash Jogalekar @ashjogalekar.bsky.social · 26/02/2025
From flat to sat, and back: About that “Escape from Flatland” paper… open.substack.com/pub/medchema...
open.substack.com
From flat to sat, and back
This analysis will surely lead to some spirited discussion and debate.
174
Reposted by Matthieu Schapira
Conscience @conscience-network.bsky.social · 11/02/2025
✨Symposium session reveal✨ Featuring @albertantolin.bsky.social and @karmencj.bsky.social, this session highlights initiatives enabling communities to come together to solve some of the biggest challenges in drug discovery. Register here: conscience.ca/symposium2025
025
Reposted by Matthieu Schapira
Randy Read 🇨🇦🇬🇧 @randyjread.bsky.social · 22/02/2025
Watch out for an upcoming bluetorial/tweetorial on this work from the amazing @alisiafadini.bsky.social! www.biorxiv.org/content/10.1...
biorxiv.org
AlphaFold as a Prior: Experimental Structure Determination Conditioned on a Pretrained Neural Network
Advances in machine learning have transformed structural biology, enabling swift and accurate prediction of protein structure from sequence. However, challenges persist in capturing sidechain packing,...
23214
Reposted by Matthieu Schapira
Frank Noe @franknoe.bsky.social · 19/02/2025
The BioEmu-1 model and inference code are now public under MIT license!!! Please go ahead, play with it and let us know if there are issues. github.com/microsoft/bi...
github.com
GitHub - microsoft/bioemu: Inference code for scalable emulation of protein equilibrium ensembles with generative deep learning
Inference code for scalable emulation of protein equilibrium ensembles with generative deep learning - microsoft/bioemu
210339
Reposted by Matthieu Schapira
Dima Lupyan @newyorkdimka.bsky.social · 14/02/2025
🌍 In the world of drug discovery, knowing a drug's residence time (τ) on its target can significantly impact its efficacy. Our new study presents innovative methods for predicting τ efficiently and accurately! 🧵🧵🧵
correlation plot of experimental vs. predicted residence times, using Schrödinger's Unbinding Kinetics workflow
2103
Reposted by Matthieu Schapira
Peter Škrinjar @peterskrinjar.bsky.social · 08/02/2025
Excited to share our latest preprint evaluating AlphaFold3, Boltz-1, Chai-1 and Protenix for predicting protein-ligand interactions, featuring our newly introduced benchmark dataset 🌹Runs N’ Poses🌹! www.biorxiv.org/content/10.1... 🧵👇 (1/n)
biorxiv.org
Have protein-ligand co-folding methods moved beyond memorisation?
Deep learning has driven major breakthroughs in protein structure prediction, however the next critical advance is accurately predicting how proteins interact with other molecules, especially small mo...
412438
Reposted by Matthieu Schapira
Open Free Energy @openfree.energy · 04/02/2025
We're changing the field of #compchem by creating free and open-source software for performing alchemical free energy calculations. Our flagship protocol calculates relative binding free energies of protein-ligand systems. Try it out in your browser: colab.research.google.com/github/OpenF...
Artistic rendering of a biochemical model: a small molecule ligand, shown as a ball-and-stick model colored by element, is bound in a pocket in a protein surface, shown as a space filling model colored off-white.
03014
Reposted by Matthieu Schapira
Aled Edwards S.G. @aledmedwards.bsky.social · 29/01/2025
Fun listening to Karina Machado tell the story about how her team did so well in the #Cache compound prediction challenge. Scientists in the global south can compete with anyone on the planet if given a level playing field!
001
Reposted by Matthieu Schapira
David Shaywitz @dshaywitz.bsky.social · 30/01/2025
Seeing a lot of this lately...
4305
Reposted by Matthieu Schapira
Nature Chemical Biology @natchembio.nature.com · 28/01/2025
A Perspective from Xiaoyu Zhang, Gabriel Simon, and Benjamin Cravatt discusses recent strategies to expand the E3 ligase landscape and the scope of targeted protein degradation www.nature.com/articles/s41...
nature.com
Implications of frequent hitter E3 ligases in targeted protein degradation screens - Nature Chemical Biology
This Perspective discusses recent strategies to expand the scope of targeted protein degradation (TPD) and the implications of unexpected convergence of diverse screening efforts on a small subset of ...
12310
Reposted by Matthieu Schapira
Gräter lab @graeterlab.bsky.social · 24/01/2025
Grappa is out: pubs.rsc.org/en/content/a... We are looking forward to feedback from and extensions by the community! Try it out for your favorite (bio)molecules - ligands, post-translational modifications, metal-enzymes, DNA, ...
pubs.rsc.org
Grappa – a machine learned molecular mechanics force field
Simulating large molecular systems over long timescales requires force fields that are both accurate and efficient. In recent years, E(3) equivariant neural networks have lifted the tension between co...
24210
Reposted by Matthieu Schapira
Pat Walters @wpwalters.bsky.social · 23/01/2025
Machine Learning in Drug Discovery Resources page updated for 2025. github.com/PatWalters/r...
github.com
GitHub - PatWalters/resources_2025: Machine Learning in Drug Discovery Resources 2024
Machine Learning in Drug Discovery Resources 2024. Contribute to PatWalters/resources_2025 development by creating an account on GitHub.
59328
Reposted by Matthieu Schapira
Keith Edwards @keithedwards.bsky.social · 21/01/2025
Helpful!
7676552114825
Reposted by Matthieu Schapira
Conscience @conscience-network.bsky.social · 08/01/2025
Thinking about attending? There's still time to take advantage of our Early Bird discount until January 31st! We're also offering $50 tickets for students and postdocs (that's 75% off!) and we'll be opening abstract submissions early next week - so stay tuned!
013
Reposted by Matthieu Schapira
Polaris @polarishub.io · 10/01/2025
We’re excited about the potential of seeing these datasets and benchmarks integrated into Polaris. Stay tuned for updates! 👀 Read the paper: arxiv.org/abs/2411.09820
arxiv.org
WelQrate: Defining the Gold Standard in Small Molecule Drug Discovery Benchmarking
While deep learning has revolutionized computer-aided drug discovery, the AI community has predominantly focused on model innovation and placed less emphasis on establishing best benchmarking practice...
101