5omf: Difference between revisions
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==Closed, ternary structure of KOD DNA polymerase== | |||
<StructureSection load='5omf' size='340' side='right'caption='[[5omf]], [[Resolution|resolution]] 2.09Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5omf]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermococcus_kodakarensis_KOD1 Thermococcus kodakarensis KOD1] 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=5OMF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5OMF FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.092Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DTP:2-DEOXYADENOSINE+5-TRIPHOSPHATE'>DTP</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></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=5omf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5omf OCA], [https://pdbe.org/5omf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5omf RCSB], [https://www.ebi.ac.uk/pdbsum/5omf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5omf ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/DPOL_THEKO DPOL_THEKO] Intein encoded endonucleases are thought to mediate intein mobility by site-specific recombination initiated by endonuclease cleavage at the "homing site" in gene that lack the intein. PI-PkoI recognizes 5'-GATTTAGATCCCTGTACC-3' and PI-PkoII recognizes 5'-CAGCTACTACGGTTAC-3'. | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Archaeal B-family polymerases drive biotechnology by accepting a wide substrate range of chemically modified nucleotides. By now no structural data for archaeal B-family DNA polymerases in a closed, ternary complex are available, which would be the basis for developing next generation nucleotides. We present the ternary crystal structures of KOD and 9 degrees N DNA polymerases complexed with DNA and the incoming dATP. The structures reveal a third metal ion in the active site, which was so far only observed for the eukaryotic B-family DNA polymerase delta and no other B-family DNA polymerase. The structures reveal a wide inner channel and numerous interactions with the template strand that provide space for modifications within the enzyme and may account for the high processivity, respectively. The crystal structures provide insights into the superiority over other DNA polymerases concerning the acceptance of modified nucleotides. | |||
Crystal structures of ternary complexes of archaeal B-family DNA polymerases.,Kropp HM, Betz K, Wirth J, Diederichs K, Marx A PLoS One. 2017 Dec 6;12(12):e0188005. doi: 10.1371/journal.pone.0188005., eCollection 2017. PMID:29211756<ref>PMID:29211756</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
<div class="pdbe-citations 5omf" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[DNA polymerase 3D structures|DNA polymerase 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Synthetic construct]] | |||
[[Category: Thermococcus kodakarensis KOD1]] | |||
[[Category: Betz K]] | |||
[[Category: Diederichs K]] | |||
[[Category: Kropp HM]] | |||
[[Category: Marx A]] | |||
[[Category: Wirth J]] |
Latest revision as of 19:54, 13 December 2023
Closed, ternary structure of KOD DNA polymeraseClosed, ternary structure of KOD DNA polymerase
Structural highlights
FunctionDPOL_THEKO Intein encoded endonucleases are thought to mediate intein mobility by site-specific recombination initiated by endonuclease cleavage at the "homing site" in gene that lack the intein. PI-PkoI recognizes 5'-GATTTAGATCCCTGTACC-3' and PI-PkoII recognizes 5'-CAGCTACTACGGTTAC-3'. Publication Abstract from PubMedArchaeal B-family polymerases drive biotechnology by accepting a wide substrate range of chemically modified nucleotides. By now no structural data for archaeal B-family DNA polymerases in a closed, ternary complex are available, which would be the basis for developing next generation nucleotides. We present the ternary crystal structures of KOD and 9 degrees N DNA polymerases complexed with DNA and the incoming dATP. The structures reveal a third metal ion in the active site, which was so far only observed for the eukaryotic B-family DNA polymerase delta and no other B-family DNA polymerase. The structures reveal a wide inner channel and numerous interactions with the template strand that provide space for modifications within the enzyme and may account for the high processivity, respectively. The crystal structures provide insights into the superiority over other DNA polymerases concerning the acceptance of modified nucleotides. Crystal structures of ternary complexes of archaeal B-family DNA polymerases.,Kropp HM, Betz K, Wirth J, Diederichs K, Marx A PLoS One. 2017 Dec 6;12(12):e0188005. doi: 10.1371/journal.pone.0188005., eCollection 2017. PMID:29211756[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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