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Dr Cassandra Kennedy

@cassandrakennedy.bsky.social
184 followers 366 following 5 posts

Chemical biologist at The Francis Crick Institute, previously Tate group PhD at Imperial

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Dr Cassandra Kennedy @cassandrakennedy.bsky.social · 21/05/2025
This was such a great project to work on - thanks @katrinrittinger.bsky.social and the GSK ChemBio team for letting me have so much fun! Shout out to my co-authors on bsky: @diegoesposito.bsky.social @janedudley.bsky.social @katmcphie.bsky.social @jtbush.bsky.social @crick.ac.uk (4/4)
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Dr Cassandra Kennedy @cassandrakennedy.bsky.social · 21/05/2025
And second: using covalent fragment screening and HTC-D2B to develop inhibitors of SspH1/2, representing the first time the NEL family has been liganded chemrxiv.org/engage/chemr... (3/4)
chemrxiv.org
Covalent fragment screening to inhibit the E3 ligase activity of bacterial NEL enzymes SspH1 and SspH2
As the global fight against antimicrobial resistance in bacteria becomes increasingly pressing, new tool compounds are needed to study and evaluate novel therapeutic targets. Here, cysteine-directed f...
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Dr Cassandra Kennedy @cassandrakennedy.bsky.social · 21/05/2025
First: our structure of SspH1, together with NMR and SAXS to understand the conformational dynamics of the protein in complex with ubiquitin and PKN1. Was great fun working with and learning from @diegoesposito.bsky.social www.biorxiv.org/content/10.1... (2/4)
biorxiv.org
Conformational dynamics of the bacterial E3 ligase SspH1
The SspH/IpaH family of novel E3 ligases (NELs) are found in a number of Gram-negative bacteria and are used to target host enzymes for degradation to support pathogenesis. These E3 enzymes are autoin...
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Dr Cassandra Kennedy @cassandrakennedy.bsky.social · 21/05/2025
Very happy to share two back-to-back preprints of my postdoc work on bacterial NEL E3 ligases from my time in @katrinrittinger.bsky.social lab at @crick.ac.uk in collaboration with the ChemBio team at GSK (1/4)
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Reposted by Dr Cassandra Kennedy
Jane Dudley @janedudley.bsky.social · 11/04/2025
After a great review process with @naturecomms.bsky.social, I'm so happy to share our work identifying inactive RING E3 #ubiquitin #pseudoligases in the TRIM protein family!! rdcu.be/ehlGW 🥳 🍾 🙌 @katmcphie.bsky.social @diegoesposito.bsky.social @katrinrittinger.bsky.social @crick.ac.uk
rdcu.be
Identification of RING E3 pseudoligases in the TRIM protein family
Nature Communications - Understanding the catalytic and regulatory mechanisms of the ubiquitin system is key to tapping into its therapeutic potential in diseases where its dysfunction is...
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Reposted by Dr Cassandra Kennedy
Stephan Hacker @stephanhacker2.bsky.social · 17/03/2025
Great @chemrxiv.bsky.social preprint by a team of GSK around @jtbush.bsky.social. They showcase the power of single- and multi-step direct-to-biology approaches by developing a potent, cell-active actylamide inhibitor for WRN helicase. chemrxiv.org/engage/...
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Reposted by Dr Cassandra Kennedy
Stephan Hacker @stephanhacker2.bsky.social · 17/01/2025
Interesting paper by the groups of @katrinrittinger.bsky.social and @jtbush.bsky.social in @commschem.bsky.social. DIA-based chemical proteomics in combination with direct-to-biology compound optimization identifies new, enantioselective inhibitors for the DUB OTUD7B. www.nature.com/articles/s42...
nature.com
Enantioselective OTUD7B fragment discovery through chemoproteomics screening and high-throughput optimisation - Communications Chemistry
The ovarian tumour protease (OTU) family of deubiquitinating enzymes (DUBs) are biochemically well-characterised and of therapeutic interest, however, only a few tool compounds exist to study their ce...
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Dr Cassandra Kennedy @cassandrakennedy.bsky.social · 15/01/2025
Happy to share our new paper, out now in @commschem.bsky.social. Was great working with Aini and @katmcphie.bsky.social on this! We used chemoproteomics and HTC to find an enantioselective hit for OTUD7B. www.nature.com/articles/s42... @katrinrittinger.bsky.social @jtbush.bsky.social @crick.ac.uk
nature.com
Enantioselective OTUD7B fragment discovery through chemoproteomics screening and high-throughput optimisation - Communications Chemistry
The ovarian tumour protease (OTU) family of deubiquitinating enzymes (DUBs) are biochemically well-characterised and of therapeutic interest, however, only a few tool compounds exist to study their ce...
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