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[[Image:1vpk.gif|left|200px]]


{{Structure
==Crystal structure of DNA polymerase III, beta subunit (TM0262) from Thermotoga maritima at 2.00 A resolution==
|PDB= 1vpk |SIZE=350|CAPTION= <scene name='initialview01'>1vpk</scene>, resolution 2.00&Aring;
<StructureSection load='1vpk' size='340' side='right'caption='[[1vpk]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND=  
<table><tr><td colspan='2'>[[1vpk]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima_MSB8 Thermotoga maritima MSB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VPK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1VPK FirstGlance]. <br>
|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_DNA_polymerase DNA-directed DNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.7 2.7.7.7] </span>
</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&#8491;</td></tr>
|GENE= TM0262 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=243274 Thermotoga maritima MSB8])
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1vpk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1vpk OCA], [https://pdbe.org/1vpk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1vpk RCSB], [https://www.ebi.ac.uk/pdbsum/1vpk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1vpk ProSAT], [https://www.topsan.org/Proteins/JCSG/1vpk TOPSAN]</span></td></tr>
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=smart00480 POL3Bc], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd00140 beta_clamp]</span>
</table>
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1vpk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1vpk OCA], [http://www.ebi.ac.uk/pdbsum/1vpk PDBsum], [http://www.fli-leibniz.de/cgi-bin/ImgLib.pl?CODE=1kfv JenaLib], [http://www.rcsb.org/pdb/explore.do?structureId=1vpk RCSB]</span>
== Function ==
}}
[https://www.uniprot.org/uniprot/Q9WYA0_THEMA Q9WYA0_THEMA] DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. This DNA polymerase also exhibits 3' to 5' exonuclease activity. The beta chain is required for initiation of replication once it is clamped onto DNA, it slides freely (bidirectional and ATP-independent) along duplex DNA (By similarity).[PIRNR:PIRNR000804]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/vp/1vpk_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </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/main_output.php?pdb_ID=1vpk ConSurf].
<div style="clear:both"></div>


'''Crystal structure of DNA polymerase III, beta subunit (TM0262) from Thermotoga maritima at 2.00 A resolution'''
==See Also==
 
*[[DNA polymerase 3D structures|DNA polymerase 3D structures]]
 
__TOC__
==About this Structure==
</StructureSection>
1VPK is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermotoga_maritima_msb8 Thermotoga maritima msb8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VPK OCA].
[[Category: Large Structures]]
[[Category: DNA-directed DNA polymerase]]
[[Category: Thermotoga maritima MSB8]]
[[Category: Single protein]]
[[Category: Thermotoga maritima msb8]]
[[Category: JCSG, Joint Center for Structural Genomics.]]
[[Category: beta subunit]]
[[Category: dna polymerase iii]]
[[Category: jcsg]]
[[Category: joint center for structural genomic]]
[[Category: protein structure initiative]]
[[Category: psi]]
[[Category: structural genomic]]
[[Category: tm0262]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Mar 25 23:27:35 2008''

Latest revision as of 17:53, 20 September 2023

Crystal structure of DNA polymerase III, beta subunit (TM0262) from Thermotoga maritima at 2.00 A resolutionCrystal structure of DNA polymerase III, beta subunit (TM0262) from Thermotoga maritima at 2.00 A resolution

Structural highlights

1vpk is a 1 chain structure with sequence from Thermotoga maritima MSB8. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT, TOPSAN

Function

Q9WYA0_THEMA DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. This DNA polymerase also exhibits 3' to 5' exonuclease activity. The beta chain is required for initiation of replication once it is clamped onto DNA, it slides freely (bidirectional and ATP-independent) along duplex DNA (By similarity).[PIRNR:PIRNR000804]

Evolutionary Conservation

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

See Also

1vpk, resolution 2.00Å

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