5m1s: Difference between revisions

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<SX load='5m1s' size='340' side='right' viewer='molstar' caption='[[5m1s]], [[Resolution|resolution]] 6.70&Aring;' scene=''>
<SX load='5m1s' size='340' side='right' viewer='molstar' caption='[[5m1s]], [[Resolution|resolution]] 6.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5m1s]] is a 7 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5M1S OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5M1S FirstGlance]. <br>
<table><tr><td colspan='2'>[[5m1s]] is a 7 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5M1S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5M1S FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">dnaE, polC, b0184, JW0179 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), dnaN, b3701, JW3678 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), dnaQ, mutD, b0215, JW0205 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), holE, b1842, JW1831 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 6.7&#8491;</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><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='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5m1s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5m1s OCA], [https://pdbe.org/5m1s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5m1s RCSB], [https://www.ebi.ac.uk/pdbsum/5m1s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5m1s ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5m1s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5m1s OCA], [http://pdbe.org/5m1s PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5m1s RCSB], [http://www.ebi.ac.uk/pdbsum/5m1s PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5m1s ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/HOLE_ECOLI HOLE_ECOLI]] 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 exact function of the theta subunit is unknown. [[http://www.uniprot.org/uniprot/DPO3A_ECOLI DPO3A_ECOLI]] 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 alpha chain is the DNA polymerase. [[http://www.uniprot.org/uniprot/DPO3E_ECOLI DPO3E_ECOLI]] DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. The epsilon subunit contain the editing function and is a proofreading 3'-5' exonuclease. [[http://www.uniprot.org/uniprot/DPO3B_ECOLI DPO3B_ECOLI]] 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.  
[https://www.uniprot.org/uniprot/DPO3A_ECOLI DPO3A_ECOLI] 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 alpha chain is the DNA polymerase.
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</SX>
</SX>
[[Category: DNA-directed DNA polymerase]]
[[Category: Escherichia coli K-12]]
[[Category: Ecoli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Conrad, J]]
[[Category: Synthetic construct]]
[[Category: Fernandez-Leiro, R]]
[[Category: Conrad J]]
[[Category: Lamers, M H]]
[[Category: Fernandez-Leiro R]]
[[Category: Scheres, S H.W]]
[[Category: Lamers MH]]
[[Category: Dna binding protein]]
[[Category: Scheres SHW]]
[[Category: Dna editing proofreading exonuclease polymerase]]

Latest revision as of 18:20, 1 November 2023

Cryo-EM structure of the E. coli replicative DNA polymerase-clamp-exonuclase-theta complex bound to DNA in the editing mode

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