View source for 4xru


==Structure of Pnkp1/Rnl/Hen1 complex==
<StructureSection load='4xru' size='340' side='right'caption='[[4xru]], [[Resolution|resolution]] 3.41&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4xru]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Capnocytophaga_gingivalis_ATCC_33624 Capnocytophaga gingivalis ATCC 33624]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4XRU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4XRU FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.41&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4xru FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4xru OCA], [https://pdbe.org/4xru PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4xru RCSB], [https://www.ebi.ac.uk/pdbsum/4xru PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4xru ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Ribotoxins cleave essential RNAs for cell killing, and RNA repair neutralizes the damage inflicted by ribotoxins for cell survival. Here we report a new bacterial RNA repair complex that performs RNA repair linked to immunity. This new RNA repair complex is a 270-kDa heterohexamer composed of three proteins-Pnkp1, Rnl and Hen1-that are required to repair ribotoxin-cleaved RNA in vitro. The crystal structure of the complex reveals the molecular architecture of the heterohexamer as two rhomboid-shaped ring structures of Pnkp1-Rnl-Hen1 heterotrimer fused at the Pnkp1 dimer interface. The four active sites required for RNA repair are located on the inner rim of each ring. The architecture and the locations of the active sites of the Pnkp1-Rnl-Hen1 heterohexamer suggest an ordered series of repair reactions at the broken RNA ends that confer immunity to recurrent damage.

Reconstitution and structure of a bacterial Pnkp1-Rnl-Hen1 RNA repair complex.,Wang P, Selvadurai K, Huang RH Nat Commun. 2015 Apr 17;6:6876. doi: 10.1038/ncomms7876. PMID:25882814<ref>PMID:25882814</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4xru" style="background-color:#fffaf0;"></div>
== References ==
<references/>
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</StructureSection>
[[Category: Capnocytophaga gingivalis ATCC 33624]]
[[Category: Large Structures]]
[[Category: Wang P]]