1md7

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[[Image:1md7.gif|left|200px]]
 
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==Monomeric structure of the zymogen of complement protease C1r==
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The line below this paragraph, containing "STRUCTURE_1md7", creates the "Structure Box" on the page.
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<StructureSection load='1md7' size='340' side='right'caption='[[1md7]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1md7]] 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=1MD7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MD7 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 3.2&#8491;</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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_1md7| PDB=1md7 | SCENE= }}
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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=1md7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1md7 OCA], [https://pdbe.org/1md7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1md7 RCSB], [https://www.ebi.ac.uk/pdbsum/1md7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1md7 ProSAT]</span></td></tr>
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</table>
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'''Monomeric structure of the zymogen of complement protease C1r'''
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== Function ==
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[https://www.uniprot.org/uniprot/C1R_HUMAN C1R_HUMAN] C1r B chain is a serine protease that combines with C1q and C1s to form C1, the first component of the classical pathway of the complement system.
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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C1r is the serine protease (SP) that mediates autoactivation of C1, the complex that triggers the classical complement pathway. We have determined the crystal structure of two fragments from the human C1r catalytic domain, each encompassing the second complement control protein (CCP2) module and the SP domain. The wild-type species has an active structure, whereas the S637A mutant is a zymogen. The structures reveal a restricted hinge flexibility of the CCP2-SP interface, and both are characterized by the unique alpha-helical conformation of loop E. The zymogen activation domain exhibits high mobility, and the active structure shows a restricted access to most substrate binding subsites. Further implications relevant to the C1r self-activation process are derived from protein-protein interactions in the crystals.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/md/1md7_consurf.spt"</scriptWhenChecked>
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1MD7 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=1MD7 OCA].
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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==Reference==
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</jmolCheckbox>
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Monomeric structures of the zymogen and active catalytic domain of complement protease c1r: further insights into the c1 activation mechanism., Budayova-Spano M, Grabarse W, Thielens NM, Hillen H, Lacroix M, Schmidt M, Fontecilla-Camps JC, Arlaud GJ, Gaboriaud C, Structure. 2002 Nov;10(11):1509-19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12429092 12429092]
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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=1md7 ConSurf].
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[[Category: Complement subcomponent C1r]]
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
[[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: Arlaud, G J.]]
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[[Category: Arlaud GJ]]
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[[Category: Budayova-Spano, M.]]
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[[Category: Budayova-Spano M]]
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[[Category: Fontecilla-Camps, J.]]
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[[Category: Fontecilla-Camps J]]
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[[Category: Gaboriaud, C.]]
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[[Category: Gaboriaud C]]
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[[Category: Grabarse, W.]]
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[[Category: Grabarse W]]
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[[Category: Hillen, H.]]
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[[Category: Hillen H]]
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[[Category: Lacroix, M.]]
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[[Category: Lacroix M]]
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[[Category: Schmidt, M.]]
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[[Category: Schmidt M]]
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[[Category: Thielens, N M.]]
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[[Category: Thielens NM]]
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[[Category: Activation]]
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[[Category: Complement]]
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[[Category: Innate immunity]]
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[[Category: Serine protease]]
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[[Category: Substrate specificity]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:54:14 2008''
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Current revision

Monomeric structure of the zymogen of complement protease C1r

PDB ID 1md7

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