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[[Image:3u61.jpg|left|200px]]
==Structure of T4 Bacteriophage Clamp Loader Bound To Closed Clamp, DNA and ATP Analog and ADP==
<StructureSection load='3u61' size='340' side='right' caption='[[3u61]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[3u61]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3U61 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3U61 FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=08T:[[[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-BIS(OXIDANYL)OXOLAN-2-YL]METHOXY-OXIDANYL-PHOSPHORYL]OXY-OXIDANYL-PHOSPHORYL]OXY-TRIS(FLUORANYL)BERYLLIUM'>08T</scene>, <scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1czd|1czd]], [[1jr3|1jr3]], [[1sxj|1sxj]], [[1xxh|1xxh]], [[1xxi|1xxi]], [[3glf|3glf]], [[3glg|3glg]], [[3u5z|3u5z]], [[3u60|3u60]]</td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">44, gp44 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10665 Enterobacteria phage T4]), 62, gp62 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10665 Enterobacteria phage T4]), 45, gp45 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10665 Enterobacteria phage T4])</td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3u61 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3u61 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3u61 RCSB], [http://www.ebi.ac.uk/pdbsum/3u61 PDBsum]</span></td></tr>
<table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Processive chromosomal replication relies on sliding DNA clamps, which are loaded onto DNA by pentameric clamp loader complexes belonging to the AAA+ family of adenosine triphosphatases (ATPases). We present structures for the ATP-bound state of the clamp loader complex from bacteriophage T4, bound to an open clamp and primer-template DNA. The clamp loader traps a spiral conformation of the open clamp so that both the loader and the clamp match the helical symmetry of DNA. One structure reveals that ATP has been hydrolyzed in one subunit and suggests that clamp closure and ejection of the loader involves disruption of the ATP-dependent match in symmetry. The structures explain how synergy among the loader, the clamp, and DNA can trigger ATP hydrolysis and release of the closed clamp on DNA.


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How a DNA polymerase clamp loader opens a sliding clamp.,Kelch BA, Makino DL, O'Donnell M, Kuriyan J Science. 2011 Dec 23;334(6063):1675-80. PMID:22194570<ref>PMID:22194570</ref>
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===Structure of T4 Bacteriophage Clamp Loader Bound To Closed Clamp, DNA and ATP Analog and ADP===
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
 
</div>
 
== References ==
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==About this Structure==
[[3u61]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3U61 OCA].
 
==Reference==
<ref group="xtra">PMID:022194570</ref><references group="xtra"/>
[[Category: Enterobacteria phage t4]]
[[Category: Enterobacteria phage t4]]
[[Category: Donnell, M O.]]
[[Category: Donnell, M O.]]

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