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[[Image:1cvz.gif|left|200px]]
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{{STRUCTURE_1cvz|  PDB=1cvz  |  SCENE=  }}
'''CRYSTAL STRUCTURE ANALYSIS OF PAPAIN WITH CLIK148(CATHEPSIN L SPECIFIC INHIBITOR)'''


==CRYSTAL STRUCTURE ANALYSIS OF PAPAIN WITH CLIK148(CATHEPSIN L SPECIFIC INHIBITOR)==
<StructureSection load='1cvz' size='340' side='right'caption='[[1cvz]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1cvz]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Carica_papaya Carica papaya]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CVZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CVZ FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=C48:N1-(1-DIMETHYLCARBAMOYL-2-PHENYL-ETHYL)-2-OXO-N4-(2-PYRIDIN-2-YL-ETHYL)-SUCCINAMIDE'>C48</scene></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=1cvz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cvz OCA], [https://pdbe.org/1cvz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cvz RCSB], [https://www.ebi.ac.uk/pdbsum/1cvz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cvz ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PAPA1_CARPA PAPA1_CARPA]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cv/1cvz_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1cvz ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Papain was used as an experimental model structure to understand the inhibition mechanism of newly developed specific inhibitors of cathepsin L, the papain superfamily. Recently, we developed a series of cathepsin L-specific inhibitors which are called the CLIK series [(1999) FEBS Lett. 458, 6-10]. Here, we report the complex structure of papain with CLIK148, which is a representative inhibitor from the CLIK series. The inhibitor complex structure was solved at 1.7 A resolution with conventional R 0.177. Unlike other epoxisuccinate inhibitors (E64, CA030, and CA074), CLIK148 uses both prime and nonprime sites, which are important for the specific inhibitory effect on cathepsin L. Also, the specificity for cathepsin L could be explained by the existence of Phe in the P2 site and hydrophobic interaction of N-terminal pyridine ring.


==Overview==
Inhibition mechanism of cathepsin L-specific inhibitors based on the crystal structure of papain-CLIK148 complex.,Tsuge H, Nishimura T, Tada Y, Asao T, Turk D, Turk V, Katunuma N Biochem Biophys Res Commun. 1999 Dec 20;266(2):411-6. PMID:10600517<ref>PMID:10600517</ref>
Papain was used as an experimental model structure to understand the inhibition mechanism of newly developed specific inhibitors of cathepsin L, the papain superfamily. Recently, we developed a series of cathepsin L-specific inhibitors which are called the CLIK series [(1999) FEBS Lett. 458, 6-10]. Here, we report the complex structure of papain with CLIK148, which is a representative inhibitor from the CLIK series. The inhibitor complex structure was solved at 1.7 A resolution with conventional R 0.177. Unlike other epoxisuccinate inhibitors (E64, CA030, and CA074), CLIK148 uses both prime and nonprime sites, which are important for the specific inhibitory effect on cathepsin L. Also, the specificity for cathepsin L could be explained by the existence of Phe in the P2 site and hydrophobic interaction of N-terminal pyridine ring.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
1CVZ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Carica_papaya Carica papaya]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CVZ OCA].
</div>
<div class="pdbe-citations 1cvz" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Inhibition mechanism of cathepsin L-specific inhibitors based on the crystal structure of papain-CLIK148 complex., Tsuge H, Nishimura T, Tada Y, Asao T, Turk D, Turk V, Katunuma N, Biochem Biophys Res Commun. 1999 Dec 20;266(2):411-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10600517 10600517]
*[[Papain|Papain]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Carica papaya]]
[[Category: Carica papaya]]
[[Category: Papain]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Tsuge H]]
[[Category: Tsuge, H.]]
[[Category: Cathepsin l inhibitor]]
[[Category: Clik148]]
[[Category: Papain]]
[[Category: Sulfhydryl proteinase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 13:10:12 2008''

Latest revision as of 09:34, 21 December 2022

CRYSTAL STRUCTURE ANALYSIS OF PAPAIN WITH CLIK148(CATHEPSIN L SPECIFIC INHIBITOR)

1cvz, resolution 1.70Å

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