1csb

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[[Image:1csb.gif|left|200px]]
 
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{{Structure
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==Crystal structure of cathepsin b inhibited with CA030 at 2.1 angstroms resolution: A basis for the design of specific epoxysuccinyl inhibitors==
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|PDB= 1csb |SIZE=350|CAPTION= <scene name='initialview01'>1csb</scene>, resolution 2.0&Aring;
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<StructureSection load='1csb' size='340' side='right'caption='[[1csb]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=EOH:ETHANOL'>EOH</scene>
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<table><tr><td colspan='2'>[[1csb]] is a 4 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=1CSB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CSB FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Cathepsin_B Cathepsin B], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.22.1 3.4.22.1]
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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]] 2&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EP0:N-[(3R)-4-ETHOXY-3-HYDROXY-4-OXOBUTANOYL]-L-ISOLEUCYL-L-PROLINE'>EP0</scene></td></tr>
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}}
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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=1csb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1csb OCA], [https://pdbe.org/1csb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1csb RCSB], [https://www.ebi.ac.uk/pdbsum/1csb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1csb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CATB_HUMAN CATB_HUMAN] Thiol protease which is believed to participate in intracellular degradation and turnover of proteins. Has also been implicated in tumor invasion and metastasis.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cs/1csb_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1csb ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Crystals of cysteine protease human cathepsin B inhibited with CA030 (ethyl ester of epoxysuccinyl-Ile-Pro-OH) [Murata, M., et al. (1991) FEBS Lett. 280, 307-310; Towatari, T., et al. (1991) FEBS Lett. 280, 311-315] were isomorphous to a previous published structure of cathepsin B [Musil, D., et al. (1991) EMBO J. 10, 2321-2330]. The crystal structure of the complex was refined at 2.0-A resolution to an R-value of 0.194. CA030 is well-defined in the electron density. The Ile-Pro-OH part of CA030 mimics a substrate P1' and P2' residues. The structure thus reveals for the first time a substratelike interaction in the S1' and S2' sites of a papain-like cysteine protease. The CA030 ethyl ester group occupies the S2 site. The structure confirms the role of residues His 110 and His 111 as the receptors of a peptidic substrate C-terminal carboxylic group. The structure suggests that an epoxysuccinyl fragment can be used to extend binding into primed and nonprimed substrate binding sites of a papain-like cysteine protease.
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'''CRYSTAL STRUCTURE OF CATHEPSIN B INHIBITED WITH CA030 AT 2.1 ANGSTROMS RESOLUTION: A BASIS FOR THE DESIGN OF SPECIFIC EPOXYSUCCINYL INHIBITORS'''
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Crystal structure of cathepsin B inhibited with CA030 at 2.0-A resolution: A basis for the design of specific epoxysuccinyl inhibitors.,Turk D, Podobnik M, Popovic T, Katunuma N, Bode W, Huber R, Turk V Biochemistry. 1995 Apr 11;34(14):4791-7. PMID:7718586<ref>PMID:7718586</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 1csb" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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Crystals of cysteine protease human cathepsin B inhibited with CA030 (ethyl ester of epoxysuccinyl-Ile-Pro-OH) [Murata, M., et al. (1991) FEBS Lett. 280, 307-310; Towatari, T., et al. (1991) FEBS Lett. 280, 311-315] were isomorphous to a previous published structure of cathepsin B [Musil, D., et al. (1991) EMBO J. 10, 2321-2330]. The crystal structure of the complex was refined at 2.0-A resolution to an R-value of 0.194. CA030 is well-defined in the electron density. The Ile-Pro-OH part of CA030 mimics a substrate P1' and P2' residues. The structure thus reveals for the first time a substratelike interaction in the S1' and S2' sites of a papain-like cysteine protease. The CA030 ethyl ester group occupies the S2 site. The structure confirms the role of residues His 110 and His 111 as the receptors of a peptidic substrate C-terminal carboxylic group. The structure suggests that an epoxysuccinyl fragment can be used to extend binding into primed and nonprimed substrate binding sites of a papain-like cysteine protease.
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*[[Cathepsin 3D structures|Cathepsin 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1CSB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CSB OCA].
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__TOC__
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</StructureSection>
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==Reference==
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Crystal structure of cathepsin B inhibited with CA030 at 2.0-A resolution: A basis for the design of specific epoxysuccinyl inhibitors., Turk D, Podobnik M, Popovic T, Katunuma N, Bode W, Huber R, Turk V, Biochemistry. 1995 Apr 11;34(14):4791-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7718586 7718586]
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[[Category: Cathepsin B]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bode, W.]]
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[[Category: Bode W]]
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[[Category: Turk, D.]]
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[[Category: Turk D]]
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[[Category: EOH]]
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[[Category: papain-like lysosomal dicarboxy-peptidase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 10:28:19 2008''
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Current revision

Crystal structure of cathepsin b inhibited with CA030 at 2.1 angstroms resolution: A basis for the design of specific epoxysuccinyl inhibitors

PDB ID 1csb

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