Jackson Cahn
@jkbcahn.bsky.social
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Learning from evolution to make drugs with enzymes.
Demon escapes because you didn't have enough wizards to form a binding circle? Problematic mage gap.
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3 days ago
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Kevin K. Yang 楊凱筌
4 days ago
Alternate between AlphaFold3 "hallucinations" and fixed-backbone sequence design to generate or optimize proteins.
www.biorxiv.org/content/10.1...
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Stephanie
5 days ago
The shutdown delayed applications opening for the NIST Summer Undergraduate Research Fellowship (SURF) program, but their website says they will start accepting applications 12/1.
www.nist.gov/surf
#chemsummer
There’s an example of a project from last year in the quoted post
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🧬Jacob L Steenwyk
9 days ago
NEW pub in
@science.org
🥳 Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life? For over 15 years,
#phylogenomic
studies have been divided. We provide new evidence suggesting that... 🔗:
www.science.org/doi/10.1126/...
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Nearly ten years in the making and finally out in print!
www.nature.com/articles/s41...
Entotheonella are insanely biosynthetically rich bacteria, but few genomes were available. Working with far-flung collaborators, we obtained genomes for 14 candidate species from 8 sponges.
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Chemical richness and diversity of uncultivated ‘Entotheonella’ symbionts in marine sponges - Nature Chemical Biology
Marine sponges host bacteria that produce diverse bioactive compounds. Here, the authors conduct a large-scale metagenomic, single-bacterial and biochemical study to reveal the untapped biosynthetic p...
https://www.nature.com/articles/s41589-025-02066-0
8 days ago
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Jackson Cahn
Bethany Halford
10 days ago
Atropisomers are popular as chiral ligands and have been showing up in drugs and drug candidates. Making just one atropisomer isn’t trivial, though. That could change, thanks to
@alisonnarayan.bsky.social
and
@narayanlab.bsky.social
. My latest for
@cenmag.bsky.social
cen.acs.org/synthesis/bi...
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An enzyme gives atropisomers a specific twist
Biocatalytic approach could be used to make chiral ligands and drugs
https://cen.acs.org/synthesis/biocatalysis/enzyme-gives-atropisomers-specific-twist/103/web/2025/11
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Imagine being part of one of the most important scientific discoveries of all time, and then when you die all anyone wants to talk about is what a huge piece of shit you were. I think there's a lesson there.
14 days ago
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Today they're going to ask Mike Johnson about the election results and he'll say that he hasn't heard about them yet.
17 days ago
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I love going to my polling place on Election Day and seeing it packed, especially with families bringing their kids. Democracy is beautiful you guys, and we should hang on to it.
18 days ago
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Jackson Cahn
Nature Catalysis
19 days ago
New online! De novo design and evolution of an artificial metathase for cytoplasmic olefin metathesis
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De novo design and evolution of an artificial metathase for cytoplasmic olefin metathesis
Nature Catalysis, Published online: 03 November 2025; doi:10.1038/s41929-025-01436-0The creation of artificial metalloenzymes compatible with complex biological settings could enable broad applications. Now a de novo-designed artificial metalloenzyme containing an abiological ruthenium cofactor is reported and optimized for ring-closing metathesis in the cytoplasm of whole cells.
https://bit.ly/4ooNN78
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That was a great game but ooof. Maybe in another 25 years we'll get another shot.
about 1 month ago
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Jackson Cahn
Will Stancil
about 1 month ago
a tyrant is ignoring the constitution, firing live artillery at americans, invading our cities, and tearing down the white house to build himself a palace our institutions won't react because they're lost in a digital dreamstate, unable to decide what is true because of social media poisoning
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Schooley
about 1 month ago
Somehow people who found the goals of the “Tea Party” crystal clear just can’t wrap their heads around what “No Kings” is getting at.
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Rep. Jamie Raskin
about 1 month ago
"Tyranny, like hell, is not easily conquered, but we have this consolation: The harder the struggle, the more glorious the triumph." —Tom Paine
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Will Stancil
about 1 month ago
Honestly if we were a real country anymore this video would start an armed revolution
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Paco Cardenas
about 2 months ago
A bit of chemistry to start your day! Sharing our latest review on sponge peptides 🧪 Surprisingly, we know so little about them...
www.publish.csiro.au/CH/CH25100
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Ribosomally synthesised and post-translationally modified peptides (RiPPs) from marine demosponges and their microsymbionts
Marine sponges are among the oldest animals to have emerged on Earth. They are metazoan holobionts that host diverse microbial symbionts, which constitute more than 40% of their biomass. Despite their...
https://www.publish.csiro.au/CH/CH25100
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Jackson Cahn
Anne Applebaum
about 2 months ago
Ric Grenell, Kennedy Center president, organized a claque of Republicans to heckle a musician critical of Trump. It's like junior high school
www.washingtonian.com/2025/09/23/l...
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Log Cabin Republicans Disrupted Yasmin Williams’s Kennedy Center Performance - Washingtonian
Staffers say center president Ric Grenell's office set aside passes for the group, which booed and heckled the musician.
https://www.washingtonian.com/2025/09/23/log-cabin-republicans-yasmin-williams/
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Joe Biden got old *one time* and now we have to live in a world where the President of the United States is shilling miracle supplements from the White House podium.
2 months ago
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Jackson Cahn
Paradisi Research
2 months ago
Nature Reviews Methods Primers (2025): "Flow biocatalysis"
https://paradisiresearch.com/research-highlights/nature-reviews-methods-primers-2025-flow-biocatalysis/
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Jackson Cahn
Will Stancil
2 months ago
Also, notice Trump's complaint here - about the news, about Kimmel - IS NOT anything to do with Charlie Kirk. It's that he was personally criticized. He's not even hiding it! That's what this is all about. "Are you allowed to criticize the president?"
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John Collins
2 months ago
This is so messed up.
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Stephanie Wankowicz
2 months ago
Structural bioinformatics is incredibly powerful on its own or when paired with theory or experiment. One of the PDB's superpowers isn’t from one structure, but comparing many to uncover folds, binding sites, and subtle conformational shifts.
chemrxiv.org/engage/chemr...
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10 Rules for a Structural Bioinformatic Analysis
The Protein Data Bank (PDB) is one of the richest open‑source repositories in biology, housing over 277,000 macromolecular structural models alongside much of the experimental data that underpins thes...
https://chemrxiv.org/engage/chemrxiv/article-details/68bf31c823be8e43d6c8660e
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Jackson Cahn
Radley Balko
2 months ago
We're witnessing the most aggressive, fanatical crackdown on free speech in my lifetime. The speed and breadth of government censorship and private sector and nonprofit capitulation has been astonishing. As has the lack of urgency/silence from people who've long claimed to care about this stuff.
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NY Times Pitchbot
2 months ago
Any criticism of Patel and Bongino’s failure to solve crimes must also acknowledge past FBI director Chris Wray’s failure to podcast and sell supplements.
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Marnix Medema
3 months ago
We are looking for a 3-year postdoc to work with Daniel Probst, Justin van der Hooft and myself on an exciting project involving federated learning and integrative omics for discovery of new antibiotics from natural products. Apply here:
www.wur.nl/en/vacancy/p...
Please share!
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https://www.wur.nl/en/vacancy/postdoc-position-on-federated-learning-and-integrative-omics-for-antibiotic-discovery.htm
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Slightly diminish a book On the Origin of Genera
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2 months ago
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Jackson Cahn
Christophe 🔬 L
2 months ago
Ponzi Chain Reaction
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3 months ago
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Merck has opened applications for Summer 2026 Internships and Co-ops! If you are (or know) an undergrad or graduate student interested in spending a summer doing cutting-edge research in pharma, apply before Nov 2nd by going to
jobs.merck.com
and searching "2026 Future Talent Program."
3 months ago
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Jackson Cahn
Rodger Sherman
3 months ago
Making them wear high-visibility vests over camo is such a good joke you couldn’t write it
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Jackson Cahn
Brendan Nyhan
3 months ago
Very bad sign when masked, unidentified agents of the security state are not just grabbing people off the street but openly identifying with the regime's politics
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I was going to try eating healthy this weekend but I woke up craving tortilla chips simmered in salsa with eggs and cream... It's my chilaquiles heel.
3 months ago
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Jackson Cahn
Dan Udwary
3 months ago
Hey, calling all Natural Products and Secondary Metabolism people!
@jgi.doe.gov
is looking for feedback prior to reorganizing data structures and portals.
#secmet
is underrepresented right now. Hit the link if you want to share your ideas or complaints! Even (especially) if you don't use our stuff!
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Tell Us Your BER Data Integration Stories
JGI, EMSL, ESS-DIVE, NMDC and KBase would love to sit with you (over Zoom) for 45 minutes to hear your stories relating to data integration or provide feedback on some of our proposed solutions. How ...
https://docs.google.com/forms/d/e/1FAIpQLSfCRN5A58COMDCt7EuCJgJqXK1JaunQh9KrFVwEyYgpSAK2qw/viewform
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Jackson Cahn
John Logsdon
3 months ago
1) Are you an Assistant Professor studying evolutionary biology? 2) Are you in the US? 3) Would you like to give a research seminar in Iowa? 4) Are you available to travel September 4-6? If you can answer YES x4, please DM me ASAP, or comment below.
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This needs to be headline news for weeks. Shocking levels of fascist behavior on display.
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3 months ago
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Jackson Cahn
Per Kraulis
4 months ago
Lysenko was an amateur
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Jackson Cahn
Anna Bower
4 months ago
More on Trump’s nominee to lead the office investigating Jack Smith: ➡️ He said that the descendants of slaves should pay reparations to the descendants of slave owners ➡️ He urged Congress to make J6 a national holiday ➡️ He called for Trump’s birthday to be made a national holiday (“MAGA Day”)
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Every day a new parade of horribles. There is so much amazing science coming out of UCLA.
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4 months ago
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Okay but what the fuck is this?
www.washingtonpost.com/entertainmen...
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Smithsonian removes Trump from impeachment exhibit in American History Museum
A temporary placard, on display since 2021, described the president's historic impeachments. Officials said the exhibit was restored to an earlier version following a review of legacy content.
https://www.washingtonpost.com/entertainment/2025/07/31/trump-impeachment-smithsonian/
4 months ago
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Jackson Cahn
c0nc0rdance
4 months ago
I NEED to tell you the story of Tae Heung “William” Kim. He's a graduate student at Texas A&M where he's working on a vaccine for Lyme disease. He's a *legal permanent resident* of the United States. And he's been in ICE detention for 12 days & counting, transferred Tuesday to South Texas.
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Jackson Cahn
Caroline Bartman
4 months ago
“I trust it as far as I can throw it” is basically mass spec Determining how you feel about things by throwing them real hard
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Jackson Cahn
Kevin K. Yang 楊凱筌
4 months ago
In 1965, Margaret Dayhoff published the Atlas of Protein Sequence and Structure, which collated the 65 proteins whose amino acid sequences were then known. Inspired by that Atlas, today we are releasing the Dayhoff Atlas of protein sequence data and protein language models.
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Jackson Cahn
Eggbutt Snafflebit
4 months ago
About time the investor class started paying attention to the destruction of the biomedical innovation pipeline.
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Jackson Cahn
Frances Arnold
4 months ago
I'm really proud of this work by Jae Kennemur and Yueming Long.
#Enzymes
rock, with some help from
#directed
evolution to do chemistry not known in nature (and really hard for humans, too).
@caltechcce.bsky.social
pubs.acs.org/doi/10.1021/...
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Enzymatic Stereodivergent Synthesis of Azaspiro[2.y]alkanes
Azaspiro[2.y]alkanes are increasingly valuable scaffolds in pharmaceutical drug discovery; however, an asymmetric catalytic method for their synthesis remains unknown. Here, we present a stereodiverge...
https://pubs.acs.org/doi/10.1021/jacs.5c07015
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Jackson Cahn
Amy Weeks
4 months ago
Excited to share our latest: we engineered the reactivity of a bacterial E1-like enzyme for ATP-driven modification of C termini. Our tool mimics the logic of peptide bond formation in biology for precision modification of proteins in vitro. 🧪https://rdcu.be/ewN7C
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Engineered reactivity of a bacterial E1-like enzyme enables ATP-driven modification of protein and peptide C termini
Nature Chemistry - In living systems, ATP provides an energetic driving force for protein synthesis and modification. Now, an engineered enzymatic tool has been developed for high-yield, ATP-driven...
https://rdcu.be/ewN7C
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Hard to overstate how bleak this is.
add a skeleton here at some point
4 months ago
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Jackson Cahn
Dan Udwary
4 months ago
Here's a fun perspective piece on Cyanobacteria as prolific natural product producers with great potential for drug discovery. Thanks especially to
@philmuslab.bsky.social
for ringleading and letting us contribute!
pubs.rsc.org/en/content/a...
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Green genes from blue greens: challenges and solutions to unlocking the potential of cyanobacteria in drug discovery
Cyanobacteria are prolific producers of biologically active compounds that are important in influencing ecology, behavior of interacting organisms, and as leads in drug discovery efforts. Here we disc...
https://pubs.rsc.org/en/content/articlelanding/2025/np/d5np00016e
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These people are so dumb.
add a skeleton here at some point
4 months ago
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Jackson Cahn
Marc van der Kamp
4 months ago
🚨 Preprint! 🚨 We show that enzyme catalysis can be accurately simulated with ML/MM, >1000x faster than with DFT/MM! Combining gasphase MLPs with our EMLE approach, we show ML(EMLE)/MM fully captures catalysis in two enzyme reactions. See also:
github.com/chemle/
doi.org/10.26434/che...
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Simulating enzyme catalysis with electrostatically embedded machine learning potentials
To simulate enzyme reactions, multiscale quantum mechanics/molecular mechanics (QM/MM) approaches are well established and popular. However, accurately and efficiently estimating enzyme activity is a ...
https://doi.org/10.26434/chemrxiv-2025-nw9lt?utm_campaign=shareaholic&utm_medium=bluesky&utm_source=socialnetwork
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