8r42

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Current revision (09:58, 9 October 2024) (edit) (undo)
 
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=8r42 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8r42 OCA], [https://pdbe.org/8r42 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8r42 RCSB], [https://www.ebi.ac.uk/pdbsum/8r42 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8r42 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=8r42 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8r42 OCA], [https://pdbe.org/8r42 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8r42 RCSB], [https://www.ebi.ac.uk/pdbsum/8r42 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8r42 ProSAT]</span></td></tr>
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== Disease ==
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<div style="background-color:#fffaf0;">
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[https://www.uniprot.org/uniprot/CH3L1_HUMAN CH3L1_HUMAN] A genetic variation in CHI3L1 is associated with susceptibility to asthma-related traits type 7 (ASRT7) [MIM:[https://omim.org/entry/611960 611960]. Asthma-related traits include clinical symptoms of asthma, such as coughing, wheezing and dyspnea, bronchial hyperresponsiveness (BHR) as assessed by methacholine challenge test, serum IgE levels, atopy, and atopic dermatitis.
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== Publication Abstract from PubMed ==
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== Function ==
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Chitinase-3-like-1 (CHI3L1), also known as YKL-40, is a glycoprotein linked to inflammation, fibrosis, and cancer. This study explored CHI3L1's interactions with various oligosaccharides using microscale thermophoresis (MST) and AlphaScreen (AS). These investigations guided the development of high-throughput screening assays to assess interference of small molecules in binding between CHI3L1 and biotinylated small molecules or heparan sulfate-based probes. Small molecule binders of YKL-40 were identified in our chitotriosidase inhibitors library with MST and confirmed through X-ray crystallography. Based on cocrystal structures of potent hit compounds with CHI3L1, small molecule probes 19 and 20 were designed for an AS assay. Structure-based optimization led to compounds 30 and 31 with nanomolar activities and drug-like properties. Additionally, an orthogonal AS assay using biotinylated heparan sulfate as a probe was developed. The compounds' affinity showed a significant correlation in both assays. These screening tools and compounds offer novel avenues for investigating the role of CHI3L1.
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[https://www.uniprot.org/uniprot/CH3L1_HUMAN CH3L1_HUMAN] Carbohydrate-binding lectin with a preference for chitin. May play a role in defense against pathogens, or in tissue remodeling. May play an important role in the capacity of cells to respond to and cope with changes in their environment.<ref>PMID:9492324</ref>
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Structure-Based Discovery of High-Affinity Small Molecule Ligands and Development of Tool Probes to Study the Role of Chitinase-3-Like Protein 1.,Czestkowski W, Krzeminski L, Piotrowicz MC, Mazur M, Pluta E, Andryianau G, Koralewski R, Matyszewski K, Olejniczak S, Kowalski M, Lisiecka K, Koziel R, Piwowar K, Papiernik D, Nowotny M, Napiorkowska-Gromadzka A, Nowak E, Niedzialek D, Wieczorek G, Siwinska A, Rejczak T, Jedrzejczak K, Mulewski K, Olczak J, Zaslona Z, Golebiowski A, Drzewicka K, Bartoszewicz A J Med Chem. 2024 Mar 14;67(5):3959-3985. doi: 10.1021/acs.jmedchem.3c02255. Epub , 2024 Mar 1. PMID:38427954<ref>PMID:38427954</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 8r42" style="background-color:#fffaf0;"></div>
== References ==
== References ==
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Current revision

Structure of CHI3L1 in complex with inhibititor 2

PDB ID 8r42

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