7nm9

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14-3-3 sigma with RelA/p65 binding site pS45 and covalently bound TCF521-110

Structural highlights

7nm9 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.7Å
Ligands:CSO, PEG, S9E, SEP
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

1433S_HUMAN Adapter protein implicated in the regulation of a large spectrum of both general and specialized signaling pathways. Binds to a large number of partners, usually by recognition of a phosphoserine or phosphothreonine motif. Binding generally results in the modulation of the activity of the binding partner. When bound to KRT17, regulates protein synthesis and epithelial cell growth by stimulating Akt/mTOR pathway (By similarity). p53-regulated inhibitor of G2/M progression.

Publication Abstract from PubMed

Protein-protein modulation has emerged as a proven approach to drug discovery. While significant progress has been gained in developing protein-protein interaction (PPI) inhibitors, the orthogonal approach of PPI stabilization lacks established methodologies for drug design. Here, we report the systematic bottom-up development of a reversible covalent PPI stabilizer. An imine bond was employed to anchor the stabilizer at the interface of the 14-3-3/p65 complex, leading to a molecular glue that elicited an 81-fold increase in complex stabilization. Utilizing protein crystallography and biophysical assays, we deconvoluted how chemical properties of a stabilizer translate to structural changes in the ternary 14-3-3/p65/molecular glue complex. Furthermore, we explore how this leads to high cooperativity and increased stability of the complex.

An Exploration of Chemical Properties Required for Cooperative Stabilization of the 14-3-3 Interaction with NF-kappaB-Utilizing a Reversible Covalent Tethering Approach.,Wolter M, Valenti D, Cossar PJ, Hristeva S, Levy LM, Genski T, Hoffmann T, Brunsveld L, Tzalis D, Ottmann C J Med Chem. 2021 Jun 24;64(12):8423-8436. doi: 10.1021/acs.jmedchem.1c00401. Epub , 2021 Jun 2. PMID:34076416[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
3 reviews cite this structure
Molecular glues modulate protein functions by inducing protein aggregation: A promising therapeutic strategy of small molecules for disease treatment.
Wu et al. (2022)
2 more
6 other articles
No citations found

See Also

References

  1. ↑ Wolter M, Valenti D, Cossar PJ, Hristeva S, Levy LM, Genski T, Hoffmann T, Brunsveld L, Tzalis D, Ottmann C. An Exploration of Chemical Properties Required for Cooperative Stabilization of the 14-3-3 Interaction with NF-κB-Utilizing a Reversible Covalent Tethering Approach. J Med Chem. 2021 Jun 24;64(12):8423-8436. PMID:34076416 doi:10.1021/acs.jmedchem.1c00401

Contents


PDB ID 7nm9

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OCA

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