3kh2

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==Crystal structure of the P1 bacteriophage Doc toxin (F68S) in complex with the Phd antitoxin (L17M/V39A). Northeast Structural Genomics targets ER385-ER386==
==Crystal structure of the P1 bacteriophage Doc toxin (F68S) in complex with the Phd antitoxin (L17M/V39A). Northeast Structural Genomics targets ER385-ER386==
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<StructureSection load='3kh2' size='340' side='right' caption='[[3kh2]], [[Resolution|resolution]] 2.71&Aring;' scene=''>
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<StructureSection load='3kh2' size='340' side='right'caption='[[3kh2]], [[Resolution|resolution]] 2.71&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3kh2]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_p1 Enterobacteria phage p1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KH2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3KH2 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3kh2]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_virus_P1 Escherichia virus P1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KH2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3KH2 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HED:2-HYDROXYETHYL+DISULFIDE'>HED</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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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]] 2.71&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HED:2-HYDROXYETHYL+DISULFIDE'>HED</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">doc ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10678 Enterobacteria phage P1]), phd ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10678 Enterobacteria phage P1])</td></tr>
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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=3kh2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3kh2 OCA], [https://pdbe.org/3kh2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3kh2 RCSB], [https://www.ebi.ac.uk/pdbsum/3kh2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3kh2 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3kh2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3kh2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3kh2 RCSB], [http://www.ebi.ac.uk/pdbsum/3kh2 PDBsum]</span></td></tr>
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</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DOC_BPP1 DOC_BPP1] Toxic component of a toxin-antitoxin (TA) module. Overexpression results in inhibition of growth in liquid cultures and a decrease in colony formation by inhibiting translation, stabilizing mRNA and polysomes; these effects are overcome by concomitant expression of antitoxin phd. Binds 70S ribosomes and the 30S ribosomal subunits, the binding site is the same as for the antibiotic hygromycin B. Bacteriophage P1 lysogenizes bacteria as a low-copy number plasmid. Doc and phd proteins function in unison to stabilize plasmid number by inducing a lethal response to P1 plasmid prophage loss. Overexpression of doc can induce the mRNA interferase activity of RelE in vivo.<ref>PMID:9829946</ref> <ref>PMID:18398006</ref> Antitoxin phd binds to its own promoter repressing its expression; toxin doc acts as a corepressor or derepressor depending on the ratio, repressing or inducing expression.<ref>PMID:9829946</ref> <ref>PMID:18398006</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kh/3kh2_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kh/3kh2_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
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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=3kh2 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 3kh2" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Enterobacteria phage p1]]
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[[Category: Escherichia virus P1]]
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[[Category: Abashidze, M.]]
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[[Category: Large Structures]]
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[[Category: Acton, T.]]
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[[Category: Abashidze M]]
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[[Category: Arbing, M A.]]
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[[Category: Acton T]]
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[[Category: Hunt, J F.]]
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[[Category: Arbing MA]]
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[[Category: Inouye, M.]]
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[[Category: Hunt JF]]
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[[Category: Kuzin, A P.]]
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[[Category: Inouye M]]
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[[Category: Liu, M.]]
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[[Category: Kuzin AP]]
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[[Category: Montelione, G T.]]
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[[Category: Liu M]]
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[[Category: NESG, Northeast Structural Genomics Consortium.]]
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[[Category: Montelione GT]]
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[[Category: Su, M.]]
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[[Category: Su M]]
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[[Category: Verdon, G.]]
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[[Category: Verdon G]]
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[[Category: Woychik, N A.]]
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[[Category: Woychik NA]]
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[[Category: Xiao, R.]]
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[[Category: Xiao R]]
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[[Category: Antitoxin]]
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[[Category: Protein structure initiative]]
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[[Category: Psi-2]]
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[[Category: Structural genomic]]
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[[Category: Toxin]]
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Current revision

Crystal structure of the P1 bacteriophage Doc toxin (F68S) in complex with the Phd antitoxin (L17M/V39A). Northeast Structural Genomics targets ER385-ER386

PDB ID 3kh2

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