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2fu6

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[[Image:2fu6.jpg|left|200px]]
 
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{{Structure
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==Zinc-beta-lactamase l1 from stenotrophomonas maltophilia (apo form)==
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|PDB= 2fu6 |SIZE=350|CAPTION= <scene name='initialview01'>2fu6</scene>, resolution 2.05&Aring;
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<StructureSection load='2fu6' size='340' side='right'caption='[[2fu6]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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<table><tr><td colspan='2'>[[2fu6]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Stenotrophomonas_maltophilia Stenotrophomonas maltophilia]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FU6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FU6 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Beta-lactamase Beta-lactamase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.5.2.6 3.5.2.6] </span>
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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]] 2.05&#8491;</td></tr>
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|GENE= L1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=40324 Stenotrophomonas maltophilia])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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|DOMAIN=
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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=2fu6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fu6 OCA], [https://pdbe.org/2fu6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fu6 RCSB], [https://www.ebi.ac.uk/pdbsum/2fu6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fu6 ProSAT]</span></td></tr>
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|RELATEDENTRY=[[2fm6|2FM6]], [[2fu7|2FU7]], [[2fu8|2FU8]], [[2fu9|2FU9]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2fu6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fu6 OCA], [http://www.ebi.ac.uk/pdbsum/2fu6 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2fu6 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/BLA1_STEMA BLA1_STEMA] Has a high activity against imipenem.
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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/fu/2fu6_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=2fu6 ConSurf].
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<div style="clear:both"></div>
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'''Zinc-beta-lactamase l1 from stenotrophomonas maltophilia (apo form)'''
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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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The 3-D structure of Bacillus cereus (569/H/9) beta-lactamase (EC 3.5.2.6), which catalyses the hydrolysis of nearly all beta-lactams, has been solved at 2.5 A resolution by the multiple isomorphous replacement method, with density modification and phase combination, from crystals of the native protein and of a specially designed mutant (T97C). The current model includes 212 of the 227 amino acid residues, the zinc ion and 10 water molecules. The protein is folded into a beta beta sandwich with helices on each external face. To our knowledge, this fold has never been observed. An approximate internal molecular symmetry is found, with a 2-fold axis passing roughly through the zinc ion and suggesting a possible gene duplication. The active site is located at one edge of the beta beta sandwich and near the N-terminal end of a helix. The zinc ion is coordinated by three histidine residues (86, 88 and 149) and a water molecule. A sequence comparison of the relevant metallo-beta-lactamases, based on this protein structure, highlights a few well-conserved amino acid residues. The structure shows that most of these residues are in the active site. Among these, aspartic acid 90 and histidine 210 participate in a proposed catalytic mechanism for beta-lactam hydrolysis.
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[[Category: Large Structures]]
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==About this Structure==
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2FU6 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Stenotrophomonas_maltophilia Stenotrophomonas maltophilia]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FU6 OCA].
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==Reference==
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The 3-D structure of a zinc metallo-beta-lactamase from Bacillus cereus reveals a new type of protein fold., Carfi A, Pares S, Duee E, Galleni M, Duez C, Frere JM, Dideberg O, EMBO J. 1995 Oct 16;14(20):4914-21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7588620 7588620]
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[[Category: Beta-lactamase]]
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[[Category: Single protein]]
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[[Category: Stenotrophomonas maltophilia]]
[[Category: Stenotrophomonas maltophilia]]
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[[Category: Dideberg, O.]]
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[[Category: Dideberg O]]
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[[Category: Garau, G.]]
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[[Category: Garau G]]
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[[Category: Kahn, R.]]
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[[Category: Kahn R]]
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[[Category: Nauton, L.]]
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[[Category: Nauton L]]
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[[Category: hydrolase]]
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[[Category: lactamase]]
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[[Category: metallo]]
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[[Category: zn]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:07:41 2008''
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Current revision

Zinc-beta-lactamase l1 from stenotrophomonas maltophilia (apo form)

PDB ID 2fu6

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