2g4c

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==Crystal Structure of human DNA polymerase gamma accessory subunit==
==Crystal Structure of human DNA polymerase gamma accessory subunit==
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<StructureSection load='2g4c' size='340' side='right' caption='[[2g4c]], [[Resolution|resolution]] 3.15&Aring;' scene=''>
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<StructureSection load='2g4c' size='340' side='right'caption='[[2g4c]], [[Resolution|resolution]] 3.15&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2g4c]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G4C OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2G4C FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2g4c]] 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=2G4C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2G4C FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">POLG2, MTPOLB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.15&#8491;</td></tr>
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<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>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2g4c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g4c OCA], [https://pdbe.org/2g4c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2g4c RCSB], [https://www.ebi.ac.uk/pdbsum/2g4c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2g4c ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2g4c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g4c OCA], [http://pdbe.org/2g4c PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2g4c RCSB], [http://www.ebi.ac.uk/pdbsum/2g4c PDBsum]</span></td></tr>
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</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/DPOG2_HUMAN DPOG2_HUMAN]] Defects in POLG2 are the cause of progressive external ophthalmoplegia with mitochondrial DNA deletions autosomal dominant type 4 (PEOA4) [MIM:[http://omim.org/entry/610131 610131]]. Progressive external ophthalmoplegia is characterized by progressive weakness of ocular muscles and levator muscle of the upper eyelid. In a minority of cases, it is associated with skeletal myopathy, which predominantly involves axial or proximal muscles and which causes abnormal fatigability and even permanent muscle weakness. Ragged-red fibers and atrophy are found on muscle biopsy. A large proportion of chronic ophthalmoplegias are associated with other symptoms, leading to a multisystemic pattern of this disease. Additional symptoms are variable, and may include cataracts, hearing loss, sensory axonal neuropathy, ataxia, depression, hypogonadism, and parkinsonism.<ref>PMID:16685652</ref>
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[https://www.uniprot.org/uniprot/DPOG2_HUMAN DPOG2_HUMAN] Defects in POLG2 are the cause of progressive external ophthalmoplegia with mitochondrial DNA deletions autosomal dominant type 4 (PEOA4) [MIM:[https://omim.org/entry/610131 610131]. Progressive external ophthalmoplegia is characterized by progressive weakness of ocular muscles and levator muscle of the upper eyelid. In a minority of cases, it is associated with skeletal myopathy, which predominantly involves axial or proximal muscles and which causes abnormal fatigability and even permanent muscle weakness. Ragged-red fibers and atrophy are found on muscle biopsy. A large proportion of chronic ophthalmoplegias are associated with other symptoms, leading to a multisystemic pattern of this disease. Additional symptoms are variable, and may include cataracts, hearing loss, sensory axonal neuropathy, ataxia, depression, hypogonadism, and parkinsonism.<ref>PMID:16685652</ref>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/DPOG2_HUMAN DPOG2_HUMAN]] Mitochondrial polymerase processivity subunit. Stimulates the polymerase and exonuclease activities, and increases the processivity of the enzyme. Binds to ss-DNA.
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[https://www.uniprot.org/uniprot/DPOG2_HUMAN DPOG2_HUMAN] Mitochondrial polymerase processivity subunit. Stimulates the polymerase and exonuclease activities, and increases the processivity of the enzyme. Binds to ss-DNA.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/g4/2g4c_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/g4/2g4c_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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</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/chain_selection.php?pdb_ID=2ata ConSurf].
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</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=2g4c ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
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==See Also==
==See Also==
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*[[DNA polymerase|DNA polymerase]]
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*[[DNA polymerase 3D structures|DNA polymerase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: DNA-directed DNA polymerase]]
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[[Category: Homo sapiens]]
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[[Category: Human]]
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[[Category: Large Structures]]
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[[Category: Fan, L]]
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[[Category: Fan L]]
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[[Category: Farr, C L]]
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[[Category: Farr CL]]
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[[Category: Kaguni, L S]]
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[[Category: Kaguni LS]]
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[[Category: Tainer, J A]]
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[[Category: Tainer JA]]
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[[Category: Aars class ii-like]]
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[[Category: Alpha and beta protein]]
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[[Category: Anti-codon binding domain-like]]
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[[Category: Transferase]]
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Current revision

Crystal Structure of human DNA polymerase gamma accessory subunit

PDB ID 2g4c

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