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3bfd

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[[Image:3bfd.jpg|left|200px]]
 
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==Crystal Structure of the Class A beta-lactamase SED-G238C mutant from Citrobacter sedlakii==
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The line below this paragraph, containing "STRUCTURE_3bfd", creates the "Structure Box" on the page.
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<StructureSection load='3bfd' size='340' side='right'caption='[[3bfd]], [[Resolution|resolution]] 2.00&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'>[[3bfd]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Citrobacter_sedlakii Citrobacter sedlakii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BFD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BFD 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]] 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=CAC:CACODYLATE+ION'>CAC</scene></td></tr>
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{{STRUCTURE_3bfd| PDB=3bfd | 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=3bfd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bfd OCA], [https://pdbe.org/3bfd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bfd RCSB], [https://www.ebi.ac.uk/pdbsum/3bfd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bfd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q93PQ0_9ENTR Q93PQ0_9ENTR]
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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/bf/3bfd_consurf.spt"</scriptWhenChecked>
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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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</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=3bfd ConSurf].
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<div style="clear:both"></div>
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'''Crystal Structure of the Class A beta-lactamase SED-G238C mutant from Citrobacter sedlakii'''
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==See Also==
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*[[Beta-lactamase 3D structures|Beta-lactamase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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SED-1, a class A beta-lactamase from Citrobacter sedlakii, is a CTX-M-type extended-spectrum beta-lactamase that has the ability to hydrolyze expanded-spectrum cephalosporins such as cefotaxime. SED-1 and a SED mutant in which Gly238 has been replaced by a cysteine, forming a disulfide bridge with the other Cys residue located at position 69 (SED-G238C), have been crystallized. The crystals belong to the monoclinic space group C2, with unit-cell parameters a = 188.09, b = 73.65, c = 105.41 A, beta = 121.67 degrees for SED-1 and a = 187.64, b = 73.2, c = 103.89 A, beta = 121.89 degrees for the SED-G238C mutant. X-ray diffraction data were collected to maximum resolutions of 2.4 A for SED-1 and 2.0 A for SED-G238C.
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==About this Structure==
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3BFD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Citrobacter_sedlakii Citrobacter sedlakii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BFD OCA].
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==Reference==
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Crystallization and preliminary X-ray diffraction study of the class A beta-lactamase SED-1 and its mutant SED-G238C from Citrobacter sedlakii., Petrella S, Pernot L, Sougakoff W, Acta Crystallogr D Biol Crystallogr. 2004 Jan;60(Pt 1):125-8. Epub 2003, Dec 18. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14684905 14684905]
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[[Category: Beta-lactamase]]
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[[Category: Citrobacter sedlakii]]
[[Category: Citrobacter sedlakii]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Pernot, L.]]
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[[Category: Pernot L]]
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[[Category: Petrella, S.]]
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[[Category: Petrella S]]
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[[Category: Sougakoff, W.]]
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[[Category: Sougakoff W]]
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[[Category: Beta-lactamase]]
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[[Category: Class some]]
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[[Category: Hydrolase]]
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[[Category: Sed-g238c mutant]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 20:43:00 2008''
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Current revision

Crystal Structure of the Class A beta-lactamase SED-G238C mutant from Citrobacter sedlakii

PDB ID 3bfd

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