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Structure-Based Optimization of Covalent, Small-Molecule Stabilizers of the 14-3-3?/ER? Protein–Protein Interaction from Nonselective Fragments

Covalent Modifiers

Here, we show the structure-based optimization of the nonselective fragment toward selective and highly potent small-molecule stabilizers of the 14-3-3σ/ERα complex. Orthogonal biophysical assays, including mass spectrometry and fluorescence anisotropy, were used to establish structure–activity relationships.

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Location-agnostic site-specific protein bioconjugation via Baylis Hillman adducts

Covalent Modifiers

link] Proteins labelled site-specifically with small molecules are valuable assets for chemical biology and drug development. Nat Commun 15 , 859 (2024). The unique reactivity profile of the 1,2-aminothiol moiety of N -terminal cysteines ( N -Cys) of proteins renders it highly attractive for regioselective protein labelling.

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Target-directed cancer: protein-ligand interactions  

Drug Target Review

The mission of the CCDD is to discover novel small-molecule therapeutics for the treatment of cancer and progress them to hypothesis testing phase 1 clinical trials. We support the drug discovery projects of the CCDD with assay development and screening, biophysics, structural biology and recombinant protein production.

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Obstacles and innovations of macrocyclic drug development

Drug Target Review

Traditionally, drug discovery has focused on small-molecule therapeutics, typically with a molecular weight of less than 500 Daltons. 2 Typically, small-molecule drugs target active sites buried inside proteins. What are macrocycles and why are they interesting for drug discovery?