1bxi

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<StructureSection load='1bxi' size='340' side='right'caption='[[1bxi]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
<StructureSection load='1bxi' size='340' side='right'caption='[[1bxi]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1bxi]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BXI OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=1BXI FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1bxi]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BXI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BXI FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
<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>
<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='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">E9IMM ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895]), COLE9 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">E9IMM ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895]), COLE9 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=1bxi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bxi OCA], [http://pdbe.org/1bxi PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1bxi RCSB], [http://www.ebi.ac.uk/pdbsum/1bxi PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1bxi ProSAT]</span></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=1bxi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bxi OCA], [https://pdbe.org/1bxi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bxi RCSB], [https://www.ebi.ac.uk/pdbsum/1bxi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bxi ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/IMM9_ECOLX IMM9_ECOLX]] This protein is able to protect a cell, which harbors the plasmid ColE9 encoding colicin E9, against colicin E9, it binds specifically to the DNase-type colicin and inhibits its bactericidal activity. [[http://www.uniprot.org/uniprot/CEA9_ECOLX CEA9_ECOLX]] This plasmid-coded bactericidal protein is an endonuclease active on both single- and double-stranded DNA but with undefined specificity. Colicins are polypeptide toxins produced by and active against E.coli and closely related bacteria.
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[[https://www.uniprot.org/uniprot/IMM9_ECOLX IMM9_ECOLX]] This protein is able to protect a cell, which harbors the plasmid ColE9 encoding colicin E9, against colicin E9, it binds specifically to the DNase-type colicin and inhibits its bactericidal activity. [[https://www.uniprot.org/uniprot/CEA9_ECOLX CEA9_ECOLX]] This plasmid-coded bactericidal protein is an endonuclease active on both single- and double-stranded DNA but with undefined specificity. Colicins are polypeptide toxins produced by and active against E.coli and closely related bacteria.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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*[[Colicin 3D structures|Colicin 3D structures]]
*[[Colicin 3D structures|Colicin 3D structures]]
*[[Colicin Immunity Protein|Colicin Immunity Protein]]
*[[Colicin Immunity Protein|Colicin Immunity Protein]]
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*[[Colicin Immunity Protein 7|Colicin Immunity Protein 7]]
 
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*[[Colicin Immunity Protein 9|Colicin Immunity Protein 9]]
 
*[[Colicin immunity protein 3D structures|Colicin immunity protein 3D structures]]
*[[Colicin immunity protein 3D structures|Colicin immunity protein 3D structures]]
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*[[Directed evolution|Directed evolution]]
 
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*[[Mutant immunity protein 9 (variant R12-13)|Mutant immunity protein 9 (variant R12-13)]]
 
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*[[Mutant immunity protein 9 (variant R12-2)|Mutant immunity protein 9 (variant R12-2)]]
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Revision as of 14:49, 3 November 2021

CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9

PDB ID 1bxi

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