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==Dna polymerase beta with a gapped DND substrate and dTMP(CF2)PP== | |||
<StructureSection load='3gdx' size='340' side='right'caption='[[3gdx]], [[Resolution|resolution]] 2.20Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3gdx]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GDX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3GDX 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]] 2.2Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=4BD:5-O-[(S)-{DIFLUORO[(S)-HYDROXY(PHOSPHONOOXY)PHOSPHORYL]METHYL}(HYDROXY)PHOSPHORYL]THYMIDINE'>4BD</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</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=3gdx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3gdx OCA], [https://pdbe.org/3gdx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3gdx RCSB], [https://www.ebi.ac.uk/pdbsum/3gdx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3gdx ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/DPOLB_HUMAN DPOLB_HUMAN] Repair polymerase that plays a key role in base-excision repair. Has 5'-deoxyribose-5-phosphate lyase (dRP lyase) activity that removes the 5' sugar phosphate and also acts as a DNA polymerase that adds one nucleotide to the 3' end of the arising single-nucleotide gap. Conducts 'gap-filling' DNA synthesis in a stepwise distributive fashion rather than in a processive fashion as for other DNA polymerases.<ref>PMID:9207062</ref> <ref>PMID:9572863</ref> <ref>PMID:11805079</ref> <ref>PMID:21362556</ref> | |||
== 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/gd/3gdx_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=3gdx ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Alpha,beta-difluoromethylene deoxynucleoside 5'-triphosphates (dNTPs, N = A or C) are advantageously obtained via phosphorylation of corresponding dNDP analogues using catalytic ATP, PEP, nucleoside diphosphate kinase, and pyruvate kinase. DNA pol beta K(d) values for the alpha,beta-CF(2) and unmodified dNTPs, alpha,beta-NH dUTP, and the alpha,beta-CH(2) analogues of dATP and dGTP are discussed in relation to the conformations of alpha,beta-CF(2) dTTP versus alpha,beta-NH dUTP bound into the enzyme active site. | |||
Alpha,beta-difluoromethylene deoxynucleoside 5'-triphosphates: a convenient synthesis of useful probes for DNA polymerase beta structure and function.,Upton TG, Kashemirov BA, McKenna CE, Goodman MF, Prakash GK, Kultyshev R, Batra VK, Shock DD, Pedersen LC, Beard WA, Wilson SH Org Lett. 2009 May 7;11(9):1883-6. PMID:19351147<ref>PMID:19351147</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 3gdx" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[DNA polymerase 3D structures|DNA polymerase 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Batra VK]] | |||
[[Category: Pedersen LC]] | |||
[[Category: Wilson SH]] | |||
Latest revision as of 10:04, 6 September 2023
Dna polymerase beta with a gapped DND substrate and dTMP(CF2)PPDna polymerase beta with a gapped DND substrate and dTMP(CF2)PP
Structural highlights
FunctionDPOLB_HUMAN Repair polymerase that plays a key role in base-excision repair. Has 5'-deoxyribose-5-phosphate lyase (dRP lyase) activity that removes the 5' sugar phosphate and also acts as a DNA polymerase that adds one nucleotide to the 3' end of the arising single-nucleotide gap. Conducts 'gap-filling' DNA synthesis in a stepwise distributive fashion rather than in a processive fashion as for other DNA polymerases.[1] [2] [3] [4] Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedAlpha,beta-difluoromethylene deoxynucleoside 5'-triphosphates (dNTPs, N = A or C) are advantageously obtained via phosphorylation of corresponding dNDP analogues using catalytic ATP, PEP, nucleoside diphosphate kinase, and pyruvate kinase. DNA pol beta K(d) values for the alpha,beta-CF(2) and unmodified dNTPs, alpha,beta-NH dUTP, and the alpha,beta-CH(2) analogues of dATP and dGTP are discussed in relation to the conformations of alpha,beta-CF(2) dTTP versus alpha,beta-NH dUTP bound into the enzyme active site. Alpha,beta-difluoromethylene deoxynucleoside 5'-triphosphates: a convenient synthesis of useful probes for DNA polymerase beta structure and function.,Upton TG, Kashemirov BA, McKenna CE, Goodman MF, Prakash GK, Kultyshev R, Batra VK, Shock DD, Pedersen LC, Beard WA, Wilson SH Org Lett. 2009 May 7;11(9):1883-6. PMID:19351147[5] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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