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Posts by Samuel Sledzieski

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The landscape of machine learning approaches for modeling protein conformational ensembles The conformational ensemble of a protein and its corresponding probabilities and dynamics are crucial determinants of its function, but are difficult …

Our review on ML for modeling conformational ensembles is out now in Current Opinion in Structural Biology (w/ @sonyahanson.bsky.social)! It's been exciting to follow all the progress in this field recently, and I'm equally excited to see where it goes!

www.sciencedirect.com/science/arti...

2 weeks ago 12 4 0 1
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ONE OF THE BIGGEST SHOTS AND CRAZIEST MOMENTS IN CBB HISTORY

3 weeks ago 269 50 8 15
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THE CONNECTICUT HUSKIES ARE SWEET SIXTEEN BOUND #uconnmbb

#BleedBlue

4 weeks ago 17 6 0 0

StrucTTY: An Interactive, Terminal-Native Protein Structure Viewer www.biorxiv.org/content/10.64898/2026.03.17.712308v1 #cryoEM

1 month ago 5 4 0 0

Annual reminder: if you’ve been accepted to multiple graduate programs and are still deciding, please let the ones you’re definitely not going to know as soon as possible!

-Someone who got into his PhD off the waitlist the day after the deadline

1 month ago 201 82 5 3
Video

AlphaFold database has entered the era of complexes. Together with NVIDIA, DeepMind and EBI, we use ColabFold, OpenFold and MMseqs2-GPU to predict ~31 million complexes (homo & hetro-dimers) resulting in 1.8 million high-quality predictions
📄 research.nvidia.com/labs/dbr/ass...
🌐 alphafold.ebi.ac.uk

1 month ago 265 111 8 3
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You asked, we listened. Millions of AI-predicted protein complex structures are now available in the #AlphaFold Database.

This spans homodimers from 20 of the most studied species, including humans, as well as the World Health Organization’s priority pathogens list.

www.ebi.ac.uk/about/news/t...

1 month ago 157 86 7 4

Had a lot of fun working on this with Darius, Christian, and Rohit. We address the problem of unpredictable scaling behavior for PLMs -- with a simple 2-line drop-in replacement for ESM2, you no longer need to worry that a smaller model might end up performing better!

🧵⬇️

1 month ago 0 0 0 0
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Mapping the yeast atructural interactome with AlphaFold3: an open call for collaboration We are excited to announce the early-stage release of our S. cerevisiae  structural interactome mapping project. Using AlphaFold3 (AF3), w...

We have started a project trying to predic the interactions/structures of all yeast protein pairs using an AlphaFold pooling approach. We are making the current dataset open and we welcome collaborations.
www.evocellnet.com/2026/03/mapp...

1 month ago 97 53 6 0
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Predicting protein-protein interactions (PPIs) at proteome scale can take months with co-folding models due to the massive all-vs-all comparisons required.

We are excited to announce FlashPPI, a contrastive learning framework that predicts proteome wide physical interfaces in minutes. 1/🧵

1 month ago 68 27 1 7

Additionally, I want to speak directly to Iranian New Yorkers: you are part of the fabric of this city — you are our neighbors, small business owners, students, artists, workers, and community leaders. You will be safe here.

1 month ago 10021 1425 53 81
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A great start to the Biophysical Society Annual Meeting in San Francisco! Check out the various projects being presented on work from Flatiron Institute people! #bps2026

1 month ago 10 4 0 2
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Introducing The Structural History of Eukarya (SHE): The first proteome-scale phylogeny constructed entirely from 3D structure.
We computed 300 trillion alignments across 1,542 species to map the tree of life. 🧵👇 (1/5)

2 months ago 85 40 2 0

Looking forward to speaking to @jhucompsci.bsky.social and JHU Biomedical Engineering this Thursday!

2 months ago 5 1 0 0
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Multiple protein structure alignment at scale with FoldMason Protein structure is conserved beyond sequence, making multiple structural alignment (MSTA) essential for analyzing distantly related proteins. Computational prediction methods have vastly extended ou...

FoldMason is out now in @science.org. It generates accurate multiple structure alignments for thousands of protein structures in seconds. Great work by Cameron L. M. Gilchrist and @milot.bsky.social.
📄 www.science.org/doi/10.1126/...
🌐 search.foldseek.com/foldmason
💾 github.com/steineggerla...

2 months ago 301 147 4 3
Dr Kareem Carr
man: i wish to publish
@kareem_carr
Jan 21
reviewer 2: your paper is no good
man: i'll do anything to improve
reviewer 2: it's simple. you must read the work of the great scientist Pagliarini
man: *bursts into tears* but i am Pagliarini
Andre Pagliarini
@apagliar
Jan 21
a first: in rejecting an article I submitted to a journal, reviewer 2 noted I failed to engage the work of one Andre Pagliarini
Jan 21, 2026 • 3:47 PM UTC

Dr Kareem Carr man: i wish to publish @kareem_carr Jan 21 reviewer 2: your paper is no good man: i'll do anything to improve reviewer 2: it's simple. you must read the work of the great scientist Pagliarini man: *bursts into tears* but i am Pagliarini Andre Pagliarini @apagliar Jan 21 a first: in rejecting an article I submitted to a journal, reviewer 2 noted I failed to engage the work of one Andre Pagliarini Jan 21, 2026 • 3:47 PM UTC

I just thought everyone should see this

2 months ago 25475 6038 43 234
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Mirdita Lab - Laboratory for Computational Biology & Molecular Machine Learning Mirdita Lab builds scalable bioinformatics methods.

My time in @martinsteinegger.bsky.social's group is ending, but I’m staying in Korea to build a lab at Sungkyunkwan University School of Medicine. If you or someone you know is interested in molecular machine learning and open-source bioinformatics, please reach out. I am hiring!
mirdita.org

3 months ago 104 55 7 1
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Check our new preprint smoothing rugged Cryo-EM landscapes: shorturl.at/gYs9U

We tackle practical hurdles of Optimal Transport (OT) loss—differentiability, cost & noise sensitivity—make it a feasible inference workhorse.
W/ G. Woollard, D. Herreros, @pilarcossio.bsky.social, K. Dao Duc 🧵👇 (1/9)

3 months ago 14 8 1 1

🌿 MINT is out now in Nature Communications!

📄: www.nature.com/articles/s41...
💻: github.com/VarunUllanat...

3 months ago 2 1 0 0
Rockets owners expand talks to buy, move Sun

Rockets owners expand talks to buy, move Sun

Terrifying headline if you don’t realize they are sports teams.

4 months ago 14036 2819 133 138
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio

The Center for Computational Biology at the Flatiron Institute is accepting applications for summer intern positions. CCB is a great place to work, and the intern program is excellent. Please check out the Computer Vision and Developmental Dynamics groups in particular. apply.interfolio.com/177779

4 months ago 3 4 0 0
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We're recruiting summer interns at all levels (Bachelors, Masters, PhD) and across all groups at @flatironinstitute.org Center for Computational Biology. Come work with us in New York City! (Full-time paid, June 1-August 14 2026, applications close January 16 2026)

apply.interfolio.com/177779

4 months ago 2 1 0 0
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CAHRA 2025: Community-Wide Assessment of Cryo-EM Heterogeneous Reconstruction Algorithms A community-wide data processing challenge for cryo-electron microscopy.

Announcing cryo-EM heterogeneity challenge #2, now dubbed the 2025 Community-Wide Assessment of Cryo-EM Heterogeneous Reconstruction Algorithms (CAHRA)! Join us for a webinar next Friday (Nov 14th) to learn more. Datasets already posted here: heterogeneity.notion.site/challenge #cryoem

5 months ago 8 11 0 0

**Job Alert** Exciting postdoc position available: theoretical and experimental cryo-EM studies of flexible biomolecules. Competitive salary, collaborative environment at NYSBC and Flatiron Institute. Please share!! and contact: pcossio@flatironinstitute.org

5 months ago 14 18 0 0

D-SCRIPT + BMPI is out today in Bioinformatics!
academic.oup.com/bioinformati...

6 months ago 3 0 0 0
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Figure 1 from the review. Caption: Comparison of a schematic example showing static, time-dependent, and time-resolved experiments illustrated by a protein folding process. (a) A static experiment measuring the observable O$_{\text{exp}}$ is shown, which can be modelled as a distribution of simulated values, O$_{\text{calc}}$, representing a conformational ensemble of folded and unfolded states. (b) Shows a time-dependent experiment, where the equilibrium dynamics of reversible folding gives rise to measured transition times $\tau_1$ and $\tau_2$. These can be modelled as equilibrium dynamics, illustrated by a free energy (FE) surface along a chosen degree of freedom (D.O.F.) (c) A time-resolved experiment probes a non-equilibrium process, where the system begins at $t_{0}$ in the folded state. During the observation time $t$ the protein unfolds until $t_{\text{max}}$. At each time point, a distinct ensemble average, O$_{\text{exp}}$, can be observed, reflecting the proteins changing structure. This evolution can be modelled as distributions of O$_{\text{calc}}$ at each time point. These are shown together with a FE surface.

Figure 1 from the review. Caption: Comparison of a schematic example showing static, time-dependent, and time-resolved experiments illustrated by a protein folding process. (a) A static experiment measuring the observable O$_{\text{exp}}$ is shown, which can be modelled as a distribution of simulated values, O$_{\text{calc}}$, representing a conformational ensemble of folded and unfolded states. (b) Shows a time-dependent experiment, where the equilibrium dynamics of reversible folding gives rise to measured transition times $\tau_1$ and $\tau_2$. These can be modelled as equilibrium dynamics, illustrated by a free energy (FE) surface along a chosen degree of freedom (D.O.F.) (c) A time-resolved experiment probes a non-equilibrium process, where the system begins at $t_{0}$ in the folded state. During the observation time $t$ the protein unfolds until $t_{\text{max}}$. At each time point, a distinct ensemble average, O$_{\text{exp}}$, can be observed, reflecting the proteins changing structure. This evolution can be modelled as distributions of O$_{\text{calc}}$ at each time point. These are shown together with a FE surface.

Integrative modelling of biomolecular dynamics

Time-dependent and -resolved experiments combined with computation provide a view on molecular dynamics beyond that available from static, ensemble-averaged experiments

Review w @dariagusew.bsky.social & Carl G Henning Hansen
doi.org/10.48550/arX...

6 months ago 36 11 0 0

These are the quarterbacks since 2010 who complete passes at roughly the rate Microsoft Excel’s AI mode accurately edits spreadsheets

6 months ago 623 194 41 37
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*Job Alert*: postdoc positions available @flatironinstitute.org in Computational Mathematics: apply.interfolio.com/173401

7 months ago 2 4 0 0
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On 9/16/25, celebrate a date of mathematical beauty Pythagorean Triple Square Day, as one man affectionately calls 9/16/25, is a day like no other this century.

Happy (a^2, b^2, c^2)!

www.npr.org/2025/09/16/n...

7 months ago 9 2 0 0
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Machine Learning in Computational Biology 2025 YouTube video by Machine Learning in Computational Biology

YouTube link for MLCB2025 is up! Starting in 30 min. www.youtube.com/live/19I7xTh...

7 months ago 21 5 1 0