1f2t: Difference between revisions

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==Crystal Structure of ATP-Free RAD50 ABC-ATPase==
==Crystal Structure of ATP-Free RAD50 ABC-ATPase==
<StructureSection load='1f2t' size='340' side='right' caption='[[1f2t]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='1f2t' size='340' side='right'caption='[[1f2t]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1f2t]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F2T OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1F2T FirstGlance]. <br>
<table><tr><td colspan='2'>[[1f2t]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F2T OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1F2T FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1f2u|1f2u]]</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
<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=1f2t FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f2t OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1f2t RCSB], [http://www.ebi.ac.uk/pdbsum/1f2t PDBsum]</span></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=1f2t FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f2t OCA], [https://pdbe.org/1f2t PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1f2t RCSB], [https://www.ebi.ac.uk/pdbsum/1f2t PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1f2t ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/RAD50_PYRFU RAD50_PYRFU] Involved in DNA double-strand break repair (DSBR). The Rad50/Mre11 complex possesses single-strand endonuclease activity and ATP-dependent double-strand-specific 3'-5' exonuclease activity. Rad50 provides an ATP-dependent control of Mre11 by unwinding and/or repositioning DNA ends into the Mre11 active site.[HAMAP-Rule:MF_00449]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/f2/1f2t_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/f2/1f2t_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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].
</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=1f2t ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
To clarify the key role of Rad50 in DNA double-strand break repair (DSBR), we biochemically and structurally characterized ATP-bound and ATP-free Rad50 catalytic domain (Rad50cd) from Pyrococcus furiosus. Rad50cd displays ATPase activity plus ATP-controlled dimerization and DNA binding activities. Rad50cd crystal structures identify probable protein and DNA interfaces and reveal an ABC-ATPase fold, linking Rad50 molecular mechanisms to ABC transporters, including P glycoprotein and cystic fibrosis transmembrane conductance regulator. Binding of ATP gamma-phosphates to conserved signature motifs in two opposing Rad50cd molecules promotes dimerization that likely couples ATP hydrolysis to dimer dissociation and DNA release. These results, validated by mutations, suggest unified molecular mechanisms for ATP-driven cooperativity and allosteric control of ABC-ATPases in DSBR, membrane transport, and chromosome condensation by SMC proteins.
Structural biology of Rad50 ATPase: ATP-driven conformational control in DNA double-strand break repair and the ABC-ATPase superfamily.,Hopfner KP, Karcher A, Shin DS, Craig L, Arthur LM, Carney JP, Tainer JA Cell. 2000 Jun 23;101(7):789-800. PMID:10892749<ref>PMID:10892749</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Pyrococcus furiosus]]
[[Category: Pyrococcus furiosus]]
[[Category: Craig, L]]
[[Category: Craig L]]
[[Category: Hopfner, K P]]
[[Category: Hopfner KP]]
[[Category: Karcher, A]]
[[Category: Karcher A]]
[[Category: Shin, D S]]
[[Category: Shin DS]]
[[Category: Abc atpase]]
[[Category: Dna double-strand break repair]]
[[Category: Replication]]

Latest revision as of 10:09, 7 February 2024

Crystal Structure of ATP-Free RAD50 ABC-ATPaseCrystal Structure of ATP-Free RAD50 ABC-ATPase

Structural highlights

1f2t is a 2 chain structure with sequence from Pyrococcus furiosus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.6Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

RAD50_PYRFU Involved in DNA double-strand break repair (DSBR). The Rad50/Mre11 complex possesses single-strand endonuclease activity and ATP-dependent double-strand-specific 3'-5' exonuclease activity. Rad50 provides an ATP-dependent control of Mre11 by unwinding and/or repositioning DNA ends into the Mre11 active site.[HAMAP-Rule:MF_00449]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

1f2t, resolution 1.60Å

Drag the structure with the mouse to rotate

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OCA
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