1qzq

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{{STRUCTURE_1qzq| PDB=1qzq | SCENE= }}
 
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===human Tyrosyl DNA phosphodiesterase===
 
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{{ABSTRACT_PUBMED_15111055}}
 
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==Disease==
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==human Tyrosyl DNA phosphodiesterase==
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[[http://www.uniprot.org/uniprot/TYDP1_HUMAN TYDP1_HUMAN]] Defects in TDP1 are the cause of spinocerebellar ataxia autosomal recessive with axonal neuropathy (SCAN1) [MIM:[http://omim.org/entry/607250 607250]]. SCAN1 is an autosomal recessive cerebellar ataxia (ARCA) associated with peripheral axonal motor and sensory neuropathy, distal muscular atrophy, pes cavus and steppage gait as seen in Charcot-Marie-Tooth neuropathy. All affected individuals have normal intelligence.<ref>PMID:16141202</ref><ref>PMID:15647511</ref><ref>PMID:12244316</ref><ref>PMID:17948061</ref><ref>PMID:15920477</ref>
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<StructureSection load='1qzq' size='340' side='right'caption='[[1qzq]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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==Function==
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<table><tr><td colspan='2'>[[1qzq]] is a 2 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=1QZQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QZQ FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/TYDP1_HUMAN TYDP1_HUMAN]] DNA repair enzyme that can remove a variety of covalent adducts from DNA through hydrolysis of a 3'-phosphodiester bond, giving rise to DNA with a free 3' phosphate. Catalyzes the hydrolysis of dead-end complexes between DNA and the topoisomerase I active site tyrosine residue. Hydrolyzes 3'-phosphoglycolates on protruding 3' ends on DNA double-strand breaks due to DNA damage by radiation and free radicals. Acts on blunt-ended double-strand DNA breaks and on single-stranded DNA. Has low 3'exonuclease activity and can remove a single nucleoside from the 3'end of DNA and RNA molecules with 3'hydroxyl groups. Has no exonuclease activity towards DNA or RNA with a 3'phosphate.<ref>PMID:12023295</ref><ref>PMID:15111055</ref><ref>PMID:15811850</ref><ref>PMID:16141202</ref><ref>PMID:22822062</ref>
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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]] 2.4&#8491;</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=1qzq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qzq OCA], [https://pdbe.org/1qzq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qzq RCSB], [https://www.ebi.ac.uk/pdbsum/1qzq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qzq ProSAT]</span></td></tr>
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==About this Structure==
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</table>
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[[1qzq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QZQ OCA].
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== Disease ==
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[https://www.uniprot.org/uniprot/TYDP1_HUMAN TYDP1_HUMAN] Defects in TDP1 are the cause of spinocerebellar ataxia autosomal recessive with axonal neuropathy (SCAN1) [MIM:[https://omim.org/entry/607250 607250]. SCAN1 is an autosomal recessive cerebellar ataxia (ARCA) associated with peripheral axonal motor and sensory neuropathy, distal muscular atrophy, pes cavus and steppage gait as seen in Charcot-Marie-Tooth neuropathy. All affected individuals have normal intelligence.<ref>PMID:16141202</ref> <ref>PMID:15647511</ref> <ref>PMID:12244316</ref> <ref>PMID:17948061</ref> <ref>PMID:15920477</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/TYDP1_HUMAN TYDP1_HUMAN] DNA repair enzyme that can remove a variety of covalent adducts from DNA through hydrolysis of a 3'-phosphodiester bond, giving rise to DNA with a free 3' phosphate. Catalyzes the hydrolysis of dead-end complexes between DNA and the topoisomerase I active site tyrosine residue. Hydrolyzes 3'-phosphoglycolates on protruding 3' ends on DNA double-strand breaks due to DNA damage by radiation and free radicals. Acts on blunt-ended double-strand DNA breaks and on single-stranded DNA. Has low 3'exonuclease activity and can remove a single nucleoside from the 3'end of DNA and RNA molecules with 3'hydroxyl groups. Has no exonuclease activity towards DNA or RNA with a 3'phosphate.<ref>PMID:12023295</ref> <ref>PMID:15111055</ref> <ref>PMID:15811850</ref> <ref>PMID:16141202</ref> <ref>PMID:22822062</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qz/1qzq_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</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/main_output.php?pdb_ID=1qzq ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
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*[[Phosphodiesterase|Phosphodiesterase]]
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*[[Phosphodiesterase 3D structures|Phosphodiesterase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015111055</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Burgin, A B.]]
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[[Category: Large Structures]]
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[[Category: Hjerrild, K.]]
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[[Category: Burgin Jr AB]]
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[[Category: Raymond, A C.]]
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[[Category: Hjerrild K]]
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[[Category: Rideout, M C.]]
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[[Category: Raymond AC]]
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[[Category: Staker, B.]]
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[[Category: Rideout MC]]
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[[Category: Dna binding protein]]
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[[Category: Staker B]]
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[[Category: Dna repair]]
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[[Category: Hydrolase]]
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[[Category: Replication]]
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Current revision

human Tyrosyl DNA phosphodiesterase

PDB ID 1qzq

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