3t0p
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==Crystal structure of a Putative DNA polymerase III beta subunit (EUBREC_0002; ERE_29750) from Eubacterium rectale ATCC 33656 at 2.26 A resolution== | ==Crystal structure of a Putative DNA polymerase III beta subunit (EUBREC_0002; ERE_29750) from Eubacterium rectale ATCC 33656 at 2.26 A resolution== | ||
| - | <StructureSection load='3t0p' size='340' side='right' caption='[[3t0p]], [[Resolution|resolution]] 2.26Å' scene=''> | + | <StructureSection load='3t0p' size='340' side='right'caption='[[3t0p]], [[Resolution|resolution]] 2.26Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3t0p]] is a 2 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3t0p]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Eubacterium_rectale_ATCC_33656 Eubacterium rectale ATCC 33656]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3T0P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3T0P FirstGlance]. <br> |
| - | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand= | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.26Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PGR:R-1,2-PROPANEDIOL'>PGR</scene></td></tr> | |
| - | <tr | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3t0p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3t0p OCA], [https://pdbe.org/3t0p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3t0p RCSB], [https://www.ebi.ac.uk/pdbsum/3t0p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3t0p ProSAT]</span></td></tr> |
| - | + | </table> | |
| - | <table> | + | == Function == |
| + | [https://www.uniprot.org/uniprot/C4Z938_AGARV C4Z938_AGARV] Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP-independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of replication as well as for processivity of DNA replication.[ARBA:ARBA00002266][PIRNR:PIRNR000804] | ||
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| + | ==See Also== | ||
| + | *[[DNA polymerase 3D structures|DNA polymerase 3D structures]] | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Large Structures]] |
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Current revision
Crystal structure of a Putative DNA polymerase III beta subunit (EUBREC_0002; ERE_29750) from Eubacterium rectale ATCC 33656 at 2.26 A resolution
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