7nxl

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<StructureSection load='7nxl' size='340' side='right'caption='[[7nxl]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='7nxl' size='340' side='right'caption='[[7nxl]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[7nxl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7NXL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7NXL FirstGlance]. <br>
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<table><tr><td colspan='2'>[[7nxl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7NXL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7NXL FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=UUK:tert-butyl+(1-((4-(dibenzylamino)-4-oxobutyl)amino)-4-methyl-1-oxopentan-2-yl)carbamate'>UUK</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CTSK, CTSO, CTSO2 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=UUK:tert-butyl+(1-((4-(dibenzylamino)-4-oxobutyl)amino)-4-methyl-1-oxopentan-2-yl)carbamate'>UUK</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Cathepsin_K Cathepsin K], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.22.38 3.4.22.38] </span></td></tr>
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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=7nxl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7nxl OCA], [https://pdbe.org/7nxl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7nxl RCSB], [https://www.ebi.ac.uk/pdbsum/7nxl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7nxl 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=7nxl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7nxl OCA], [https://pdbe.org/7nxl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7nxl RCSB], [https://www.ebi.ac.uk/pdbsum/7nxl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7nxl ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[https://www.uniprot.org/uniprot/CATK_HUMAN CATK_HUMAN]] Defects in CTSK are the cause of pycnodysostosis (PKND) [MIM:[https://omim.org/entry/265800 265800]]. PKND is an autosomal recessive osteochondrodysplasia characterized by osteosclerosis and short stature.<ref>PMID:8703060</ref> <ref>PMID:9529353</ref> <ref>PMID:10491211</ref> <ref>PMID:10878663</ref>
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[https://www.uniprot.org/uniprot/CATK_HUMAN CATK_HUMAN] Defects in CTSK are the cause of pycnodysostosis (PKND) [MIM:[https://omim.org/entry/265800 265800]. PKND is an autosomal recessive osteochondrodysplasia characterized by osteosclerosis and short stature.<ref>PMID:8703060</ref> <ref>PMID:9529353</ref> <ref>PMID:10491211</ref> <ref>PMID:10878663</ref>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/CATK_HUMAN CATK_HUMAN]] Closely involved in osteoclastic bone resorption and may participate partially in the disorder of bone remodeling. Displays potent endoprotease activity against fibrinogen at acid pH. May play an important role in extracellular matrix degradation.
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[https://www.uniprot.org/uniprot/CATK_HUMAN CATK_HUMAN] Closely involved in osteoclastic bone resorption and may participate partially in the disorder of bone remodeling. Displays potent endoprotease activity against fibrinogen at acid pH. May play an important role in extracellular matrix degradation.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The cysteine protease cathepsin K is a target for the treatment of diseases associated with high bone turnover. Cathepsin K is mainly expressed in osteoclasts and responsible for the destruction of the proteinaceous components of the bone matrix. We designed various fluorescent activity-based probes (ABPs) and their precursors that bind to and inactivate cathepsin K. ABP 25 exhibited extraordinary potency (kinac/Ki = 35,300 M(-1)s(-1)) and selectivity for human cathepsin K. Crystal structures of cathepsin K in complex with ABP 25 and its nonfluorescent precursor 21 were determined to characterize the binding mode of this new type of acrylamide-based Michael acceptor with the particular orientation of the dibenzylamine moiety to the primed subsite region. The cyanine-5 containing probe 25 allowed for sensitive detection of cathepsin K, selective visualization in complex proteomes, and live cell imaging of a human osteosarcoma cell line, underlining its applicability in a pathophysiological environment.
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An Activity-Based Probe for Cathepsin K Imaging with Excellent Potency and Selectivity.,Lemke C, Benysek J, Brajtenbach D, Breuer C, Jilkova A, Horn M, Busa M, Ulrychova L, Illies A, Kubatzky KF, Bartz U, Mares M, Gutschow M J Med Chem. 2021 Sep 23;64(18):13793-13806. doi: 10.1021/acs.jmedchem.1c01178., Epub 2021 Sep 2. PMID:34473502<ref>PMID:34473502</ref>
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==See Also==
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*[[Cathepsin 3D structures|Cathepsin 3D structures]]
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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 7nxl" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Cathepsin K]]
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[[Category: Homo sapiens]]
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[[Category: Human]]
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[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Benysek, J]]
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[[Category: Benysek J]]
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[[Category: Busa, M]]
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[[Category: Busa M]]
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[[Category: Gutschow, M]]
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[[Category: Gutschow M]]
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[[Category: Lemke, C]]
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[[Category: Lemke C]]
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[[Category: Mares, M]]
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[[Category: Mares M]]
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[[Category: Acrylamide inhibitor]]
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[[Category: Activity-based probe]]
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[[Category: Complex]]
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[[Category: Hydrolase]]
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Revision as of 07:50, 1 May 2024

Structure of human cathepsin K in complex with the acrylamide inhibitor Gu3110

PDB ID 7nxl

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