C-GEM, the NSF Center for Genetically Encoded Materials
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cgemcci.bsky.social
C-GEM, the NSF Center for Genetically Encoded Materials
@cgemcci.bsky.social
Re-engineering the ribosome to create a fundamentally new form of chemical matter. C-GEM is an NSF Center for Chemical Innovation (CHE-2503885 and 2002182). #NSFfunded

Find us online at www.gem-net.net
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Want to keep up with the C-GEM team? Check out our starter pack: go.bsky.app/Nck4k2K
#chemsky #synbio #NSFfunded
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
C-CAS is now accepting applications for the 2026 Summer Undergraduate Research Fellowship (SURF) Program.

More details here: ccas.nd.edu/outreach/sur...

#chemistry #computerscience #chemsky #summerresearch #REU #undergraduateresearch
November 3, 2025 at 8:32 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
Out today in Science Magazine — First author Veronika Kivenson and PIs Jill Banfield (The Banfield Lab) and Alanna Schepartz team up to reveal a new genetic code in #archaea, with implications for #methane and #climate, and #bioengineering! Learn more: https://ow.ly/Kuem50Xurh0
November 20, 2025 at 7:20 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
Today, I'm grateful that Alanna Schepartz is visiting Tufts. Alanna's leadership of @cgemcci.bsky.social has led to impressive advances in genetic code expansion, including recently published work pushing encoding beyond alpha-amino acids.

#ChemSky #ChemChat

www.nature.com/articles/s41...
Site-selective protein editing by backbone extension acyl rearrangements - Nature Chemical Biology
A post-translational backbone extension acyl rearrangement (BEAR) reaction has now been developed that converts a ribosomal protein product into a new product containing a β-peptide, γ-peptide or δ-pe...
www.nature.com
November 20, 2025 at 1:17 PM
✨ New paper in Science: An archaeal genetic code with all TAG codons as pyrrolysine.
www.science.org/doi/10.1126/...

A collaboration with @innovativegenomics.bsky.social

Congrats to the Banfield lab, @roeleah.bsky.social , @nxhamlish.bsky.social , and Alanna!
#NSFfunded
An archaeal genetic code with all TAG codons as pyrrolysine
Multiple genetic codes developed during the evolution of eukaryotes and bacteria, yet no alternative genetic code is known for archaea. We used proteomics to confirm our prediction that certain archae...
www.science.org
November 20, 2025 at 8:19 PM
🧬 Join C-GEM at this year’s massive Bay Area Science Festival on October 25, 2025 to learn all about proteins and polymer science. This event is free for all—tell your friends!

@bayareascifest.bsky.social
Find out more: www.bayareasciencefestival.org
#ScienceTogether #BayAreaScienceFestival
Home - Bay Area Science Festival
Bring the whole family to experience 100+ jaw-dropping demonstrations, hands-on experiments, astounding games, behind the scenes lab tours, film screenings
www.bayareasciencefestival.org
October 21, 2025 at 6:04 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
New: After a long wait, the GRFP solicitation is live! Deadlines have been extended to early November, so applicants have a bit over a month to submit. www.nsf.gov/funding/oppo...
NSF Graduate Research Fellowship Program (GRFP)
www.nsf.gov
September 26, 2025 at 3:45 PM
✨ New paper in Nature Chemistry: Chemical and ribosomal synthesis of atropisomeric and macrocyclic peptides with embedded quinolines
www.nature.com/articles/s41...

Congrats to Isaac, Taylor, Diondra, Cameron, Tamir, Alanna, Scott, and collaborators!

#NSFfunded
Chemical and ribosomal synthesis of atropisomeric and macrocyclic peptides with embedded quinolines - Nature Chemistry
Expanding the complexity of genetically encoded peptides is a long-standing challenge at the intersection of chemistry and biology. Now it has been shown that linear peptides with a reactive N-termina...
www.nature.com
September 17, 2025 at 5:22 PM
🎈 Come visit C-GEM's table to learn about polymer science at the Cambridge Science Carnival on Sunday, September 21, 2025!

Find out more about the free event here: cambridgesciencecarnival.org
September 12, 2025 at 9:39 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
We’re #hiring! The NSF Center for the Mechanical Control of Chemistry (CMCC) is looking for a Managing Director.

Applications are open until September 5. Learn more and apply here ➡️ tamus.wd1.myworkdayjobs.com/en-US/TAMU_E...

#Recruiting #Jobs
Managing Director, NSF Center for the Mechanical Control of Chemistry
Job TitleManaging Director, NSF Center for the Mechanical Control of Chemistry Agency Texas A&M University Department Chemistry Proposed Minimum SalaryCommensurate Job LocationCollege Station, Tex...
tamus.wd1.myworkdayjobs.com
August 27, 2025 at 6:03 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
I created a protein backbone editing method and named it after my alma mater (x2)! Out now in Nature ChemBio, we show the first examples of a β2-, γ-, and δ-amino acid encoded into full length proteins expressed in cells. www.nature.com/articles/s41...
Site-selective protein editing by backbone extension acyl rearrangements - Nature Chemical Biology
A post-translational backbone extension acyl rearrangement (BEAR) reaction has now been developed that converts a ribosomal protein product into a new product containing a β-peptide, γ-peptide or δ-pe...
www.nature.com
August 21, 2025 at 4:22 PM
✨New in Nat Chem Biol: Site-selective protein editing by backbone extension acyl rearrangements
bit.ly/4oKQ251

Congrats @roeleah.bsky.social, Izzi, Carly, Taylor, Bhavana, @nxhamlish.bsky.social, Arjun, Diondra, Zhongqi, @achemsynbio.bsky.social, Matt, Scott, Alanna, and collaborators!
#NSFfunded
Site-selective protein editing by backbone extension acyl rearrangements - Nature Chemical Biology
A post-translational backbone extension acyl rearrangement (BEAR) reaction has now been developed that converts a ribosomal protein product into a new product containing a β-peptide, γ-peptide or δ-pe...
www.nature.com
August 21, 2025 at 7:15 PM
We’re excited to announce that the NSF renewed C-GEM’s funding for Phase IIb! Thank you to all of our researchers for their hard work over the past five years 🎊

chemistry.berkeley.edu/news/nsf-com...
#NSFfunded @berkeleychemistry.bsky.social
NSF commits $15 million to renewed funding for the Center for Genetically Encoded Materials | College of Chemistry
chemistry.berkeley.edu
August 14, 2025 at 9:19 PM
Have you ever wondered how scientists use evolution to engineer proteins? Find out with C-GEM’s new board game—Directed Evolution: The Game!

Download to play it at home: gem-net.net/learn-about-...
Learn about Directed Evolution Through Play, Center for Genetically Encoded Materials
C-GEM transformed the Nobel Prize-winning technique of directed evolution into an educational board game! Directed Evolution: The Game tasks players with...
gem-net.net
August 5, 2025 at 8:25 PM
✨ New from C-GEM in JOC @pubs.acs.org:

Further Confirmation of the Structure of 3′-(2-Pyridyldithio)-3′-deoxyadenosine and 3′-Thio-3′-deoxyadenosine: Synthetic Convergence with Cordycepin

Congrats to Taylor and coauthors! #NSFfunded
pubs.acs.org/doi/10.1021/...
Further Confirmation of the Structure of 3′-(2-Pyridyldithio)-3′-deoxyadenosine and 3′-Thio-3′-deoxyadenosine: Synthetic Convergence with Cordycepin
3′-Deoxynucleosides have demonstrated profound biochemical utility, including in our recent work on the use of aminoacyl thio-tRNAs for in vitro translation. Though our preparation of 3′-(2-pyridyldithio)-3′-deoxyadenosine─a key synthetic precursor en route to aminoacyl thio-tRNAs─followed robust prior precedents, an unrelated recent structural revision prompted us to validate the regioselectivity of our route further. Here we provide confirmatory evidence for the structure of 3′-(2-pyridyldithio)-3′-deoxyadenosine and downstream analogues via synthetic convergence with a 3′-deoxynucleoside antibiotic, cordycepin, and concomitant MicroED analysis.
pubs.acs.org
June 25, 2025 at 7:44 PM
✨ New C-GEM preprint
E. coli ribosomes support translation of (R) and (S) β2-hydroxyacids in vitro: a structural and biochemical study

Congrats @c-majumdar.bsky.social, @alexandra-kent.bsky.social, @nxhamlish.bsky.social, Cathy, Katie, Alanna, and @jhdcate.bsky.social!
chemrxiv.org/engage/chemr...
Escherichia coli ribosomes support translation of (R) and (S) β2-hydroxyacids in vitro: a structural and biochemical study
The ribosomal incorporation of backbone-modified amino acid analogs into peptides and proteins enables the programmed synthesis of sequence-defined biopolymers with tunable properties. However, the su...
chemrxiv.org
May 19, 2025 at 4:29 PM
✨ New C-GEM Breakthrough Article in
@narjournal.bsky.social

Monitoring monomer-specific acyl–tRNA levels in cells with PARTI

Congratulations to Meghan, @carlyschissel.bsky.social, Izzy, Cameron, and Alanna!

academic.oup.com/nar/article/...
Monitoring monomer-specific acyl–tRNA levels in cells with PARTI
Abstract. We describe a new assay that reports directly on the acylation state of a user-chosen transfer RNA (tRNA) in cells. We call this assay 3-Prime Ad
academic.oup.com
May 13, 2025 at 5:34 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
🎉 To celebrate the 75th anniversary of the NSF, the Centers for Chemical Innovation collected thank-you notes from our members that highlight the positive impact of NSF support.

Read the notes here ➡️ nsfcci.org/nsf75

#NSF75 #ThankYou #CCI #CMCC
May 10, 2025 at 7:35 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
C-CAS would like to wish the NSF a happy 75th birthday! Thank you for all you do for us and for science.

#NSF #NSF75 #CCAS #chemsky #chemistry
May 10, 2025 at 9:55 PM
🎉 To celebrate the 75th anniversary of the NSF, the Centers for Chemical Innovation collected thank-you notes from our members that highlight the positive impact of NSF support.

🎈 Read the thank-you notes here: www.nsfcci.org/nsf75

#NSFfunded
May 10, 2025 at 3:43 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
🚨 New PARTI trick: NAR #Breakthrough article from cgemcci.bsky.social describes a new technique for studying tRNA acylation 🚨

👉 Introducing '3-Prime Adenosine-Retaining Aminoacyl–tRNA Isolation (PARTI)'.

📖 Read the full article here: doi.org/10.1093/nar/...

#tRNA #Translation - Part 1
May 8, 2025 at 9:01 AM
✨ New C-GEM Breakthrough Article in @narjournal.bsky.social

Monitoring monomer-specific acyl–tRNA levels in cells with PARTI

Congratulations to Meghan, @carlyschissel.bsky.social, Izzy, Cameron, and Alanna!

academic.oup.com/nar/article/...
Monitoring monomer-specific acyl–tRNA levels in cells with PARTI
Abstract. We describe a new assay that reports directly on the acylation state of a user-chosen transfer RNA (tRNA) in cells. We call this assay 3-Prime Ad
academic.oup.com
May 9, 2025 at 4:22 PM
🎂 We’re celebrating the NSF’s 75th birthday on Saturday, May 10 with our friends at the Lawerence Hall of Science 🎈

Join us at STEM Day and learn about C-GEM's next generation biopolymers!

A shuttle will be available from Downtown Berkeley BART.

lawrencehallofscience.org/events/stem-...
STEM Day
Join The Lawrence for one of our signature Five Dollar Days as we commemorate the 75th anniversary of the National…
lawrencehallofscience.org
May 5, 2025 at 8:43 PM
We're honored that our FRSA structure contributed (in a tiny way) to this amazing milestone! www.rcsb.org/structure/7U0R
May 5, 2025 at 5:16 PM
Reposted by C-GEM, the NSF Center for Genetically Encoded Materials
Hello Community!
Are you a postdoc/grad student preparing to launch a faculty search? Do you have a track record of excellence in research, leadership, mentorship & community engagement? Apply to the 2025 Next Generation Faculty Symposium: www.berkeleystanfordnextgensymposium.com! Pls repost! (1/3)
April 21, 2025 at 7:21 PM