1fi8

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[[Image:1fi8.gif|left|200px]]
 
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{{Structure
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==RAT GRANZYME B [N66Q] COMPLEXED TO ECOTIN [81-84 IEPD]==
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|PDB= 1fi8 |SIZE=350|CAPTION= <scene name='initialview01'>1fi8</scene>, resolution 2.2&Aring;
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<StructureSection load='1fi8' size='340' side='right'caption='[[1fi8]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[1fi8]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FI8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FI8 FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.2&#8491;</td></tr>
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|GENE=
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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=1fi8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fi8 OCA], [https://pdbe.org/1fi8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fi8 RCSB], [https://www.ebi.ac.uk/pdbsum/1fi8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fi8 ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1fi8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fi8 OCA], [http://www.ebi.ac.uk/pdbsum/1fi8 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1fi8 RCSB]</span>
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[https://www.uniprot.org/uniprot/GRAB_RAT GRAB_RAT] This enzyme is necessary for target cell lysis in cell-mediated immune responses. It cleaves after Asp. Seems to be linked to an activation cascade of caspases (aspartate-specific cysteine proteases) responsible for apoptosis execution. Cleaves caspase-3, -7, -9 and 10 to give rise to active enzymes mediating apoptosis (By similarity).
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}}
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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/fi/1fi8_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=1fi8 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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Granzyme B is a serine protease of the chymotrypsin fold that mediates cell death by cytotoxic lymphocytes. It is a processing enzyme, requiring extended peptide substrates containing an Asp residue. The determinants that allow for this substrate specificity are revealed in the three-dimensional structure of granzyme B in complex with a macromolecular inhibitor. The primary specificity for Asp occurs through a side-on interaction with Arg 226, a buried Arg side chain of granzyme B. An additional nine amino acids make contact with the substrate and define the granzyme B extended substrate specificity profile. The substrate determinants found in this structure are shared by other members of this protein class and help to reveal the properties that define substrate specificity.
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'''RAT GRANZYME B [N66Q] COMPLEXED TO ECOTIN [81-84 IEPD]'''
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The structure of the pro-apoptotic protease granzyme B reveals the molecular determinants of its specificity.,Waugh SM, Harris JL, Fletterick R, Craik CS Nat Struct Biol. 2000 Sep;7(9):762-5. PMID:10966646<ref>PMID:10966646</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 1fi8" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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Granzyme B is a serine protease of the chymotrypsin fold that mediates cell death by cytotoxic lymphocytes. It is a processing enzyme, requiring extended peptide substrates containing an Asp residue. The determinants that allow for this substrate specificity are revealed in the three-dimensional structure of granzyme B in complex with a macromolecular inhibitor. The primary specificity for Asp occurs through a side-on interaction with Arg 226, a buried Arg side chain of granzyme B. An additional nine amino acids make contact with the substrate and define the granzyme B extended substrate specificity profile. The substrate determinants found in this structure are shared by other members of this protein class and help to reveal the properties that define substrate specificity.
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*[[Ecotin|Ecotin]]
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*[[Granzyme|Granzyme]]
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==About this Structure==
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== References ==
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1FI8 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FI8 OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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The structure of the pro-apoptotic protease granzyme B reveals the molecular determinants of its specificity., Waugh SM, Harris JL, Fletterick R, Craik CS, Nat Struct Biol. 2000 Sep;7(9):762-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10966646 10966646]
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Craik, C S.]]
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[[Category: Craik CS]]
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[[Category: Fletterick, R J.]]
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[[Category: Fletterick RJ]]
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[[Category: Harris, J L.]]
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[[Category: Harris JL]]
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[[Category: Waugh, S M.]]
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[[Category: Waugh SM]]
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[[Category: beta strand structure]]
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[[Category: chymotrypsin fold]]
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[[Category: complex (serine protease/inhibitor)]]
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[[Category: ecotin]]
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[[Category: granzyme b]]
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[[Category: protease substrate interaction]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:23:27 2008''
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Current revision

RAT GRANZYME B [N66Q] COMPLEXED TO ECOTIN [81-84 IEPD]

PDB ID 1fi8

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