1n18

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<StructureSection load='1n18' size='340' side='right'caption='[[1n18]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='1n18' size='340' side='right'caption='[[1n18]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1n18]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1N18 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1N18 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1n18]] is a 10 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=1N18 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1N18 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CU1:COPPER+(I)+ION'>CU1</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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]] 2&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1m19|1m19]]</div></td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CU1:COPPER+(I)+ION'>CU1</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Superoxide_dismutase Superoxide dismutase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.15.1.1 1.15.1.1] </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=1n18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1n18 OCA], [https://pdbe.org/1n18 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1n18 RCSB], [https://www.ebi.ac.uk/pdbsum/1n18 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1n18 ProSAT]</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=1n18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1n18 OCA], [https://pdbe.org/1n18 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1n18 RCSB], [https://www.ebi.ac.uk/pdbsum/1n18 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1n18 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[https://www.uniprot.org/uniprot/SODC_HUMAN SODC_HUMAN]] Defects in SOD1 are the cause of amyotrophic lateral sclerosis type 1 (ALS1) [MIM:[https://omim.org/entry/105400 105400]]. ALS1 is a familial form of amyotrophic lateral sclerosis, a neurodegenerative disorder affecting upper and lower motor neurons and resulting in fatal paralysis. Sensory abnormalities are absent. Death usually occurs within 2 to 5 years. The etiology of amyotrophic lateral sclerosis is likely to be multifactorial, involving both genetic and environmental factors. The disease is inherited in 5-10% of cases leading to familial forms.<ref>PMID:12963370</ref> <ref>PMID:19741096</ref> <ref>PMID:8528216</ref> <ref>PMID:8682505</ref> <ref>PMID:9541385</ref> <ref>PMID:12754496</ref> <ref>PMID:15056757</ref> <ref>PMID:18378676</ref> [:]<ref>PMID:8446170</ref> <ref>PMID:8351519</ref> <ref>PMID:8179602</ref> <ref>PMID:7980516</ref> <ref>PMID:8069312</ref> <ref>PMID:7951252</ref> <ref>PMID:7881433</ref> <ref>PMID:7836951</ref> <ref>PMID:7997024</ref> <ref>PMID:7870076</ref> <ref>PMID:7887412</ref> <ref>PMID:7795609</ref> <ref>PMID:7655468</ref> <ref>PMID:7655469</ref> <ref>PMID:7655471</ref> <ref>PMID:7700376</ref> <ref>PMID:7647793</ref> <ref>PMID:7501156</ref> <ref>PMID:7496169</ref> <ref>PMID:8938700</ref> <ref>PMID:8907321</ref> <ref>PMID:8990014</ref> <ref>PMID:9101297</ref> <ref>PMID:9455977</ref> <ref>PMID:10732812</ref> <ref>PMID:9131652</ref> <ref>PMID:10400992</ref> <ref>PMID:10430435</ref> <ref>PMID:11535232</ref> <ref>PMID:11369193</ref> <ref>PMID:12402272</ref> <ref>PMID:12145308</ref> <ref>PMID:14506936</ref> <ref>PMID:18552350</ref> <ref>PMID:18301754</ref> <ref>PMID:21247266</ref> <ref>PMID:21220647</ref>
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[https://www.uniprot.org/uniprot/SODC_HUMAN SODC_HUMAN] Defects in SOD1 are the cause of amyotrophic lateral sclerosis type 1 (ALS1) [MIM:[https://omim.org/entry/105400 105400]. ALS1 is a familial form of amyotrophic lateral sclerosis, a neurodegenerative disorder affecting upper and lower motor neurons and resulting in fatal paralysis. Sensory abnormalities are absent. Death usually occurs within 2 to 5 years. The etiology of amyotrophic lateral sclerosis is likely to be multifactorial, involving both genetic and environmental factors. The disease is inherited in 5-10% of cases leading to familial forms.<ref>PMID:12963370</ref> <ref>PMID:19741096</ref> <ref>PMID:8528216</ref> <ref>PMID:8682505</ref> <ref>PMID:9541385</ref> <ref>PMID:12754496</ref> <ref>PMID:15056757</ref> <ref>PMID:18378676</ref> [:]<ref>PMID:8446170</ref> <ref>PMID:8351519</ref> <ref>PMID:8179602</ref> <ref>PMID:7980516</ref> <ref>PMID:8069312</ref> <ref>PMID:7951252</ref> <ref>PMID:7881433</ref> <ref>PMID:7836951</ref> <ref>PMID:7997024</ref> <ref>PMID:7870076</ref> <ref>PMID:7887412</ref> <ref>PMID:7795609</ref> <ref>PMID:7655468</ref> <ref>PMID:7655469</ref> <ref>PMID:7655471</ref> <ref>PMID:7700376</ref> <ref>PMID:7647793</ref> <ref>PMID:7501156</ref> <ref>PMID:7496169</ref> <ref>PMID:8938700</ref> <ref>PMID:8907321</ref> <ref>PMID:8990014</ref> <ref>PMID:9101297</ref> <ref>PMID:9455977</ref> <ref>PMID:10732812</ref> <ref>PMID:9131652</ref> <ref>PMID:10400992</ref> <ref>PMID:10430435</ref> <ref>PMID:11535232</ref> <ref>PMID:11369193</ref> <ref>PMID:12402272</ref> <ref>PMID:12145308</ref> <ref>PMID:14506936</ref> <ref>PMID:18552350</ref> <ref>PMID:18301754</ref> <ref>PMID:21247266</ref> <ref>PMID:21220647</ref>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/SODC_HUMAN SODC_HUMAN]] Destroys radicals which are normally produced within the cells and which are toxic to biological systems.
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[https://www.uniprot.org/uniprot/SODC_HUMAN SODC_HUMAN] Destroys radicals which are normally produced within the cells and which are toxic to biological systems.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1n18 ConSurf].
</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=1n18 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
 
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== Publication Abstract from PubMed ==
 
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Mutations in human superoxide dismutase (HSOD) have been linked to the familial form of amyotrophic lateral sclerosis (FALS). Amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease) is one of the most common neurodegenerative disorders in humans. In ALS patients, selective killing of motor neurons leads to progressive paralysis and death within one to five years of onset. The most frequent FALS mutation in HSOD, Ala4--&gt;Val, is associated with the most rapid disease progression. Here we identify and characterize key differences in the stability between the A4V mutant protein and its thermostable parent (HSOD-AS), in which free cysteine residues were mutated to eliminate interferences from cysteine oxidation. Denaturation studies reveal that A4V unfolds at a guanidine-HCl concentration 1M lower than HSOD-AS, revealing that A4V is significantly less stable than HSOD-AS. Determination and analysis of the crystallographic structures of A4V and HSOD-AS reveal structural features likely responsible for the loss of architectural stability of A4V observed in the denaturation experiments. The combined structural and biophysical results presented here argue that architectural destabilization of the HSOD protein may underlie the toxic function of the many HSOD FALS mutations.
 
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Insights into Lou Gehrig's disease from the structure and instability of the A4V mutant of human Cu,Zn superoxide dismutase.,Cardoso RM, Thayer MM, DiDonato M, Lo TP, Bruns CK, Getzoff ED, Tainer JA J Mol Biol. 2002 Nov 22;324(2):247-56. PMID:12441104<ref>PMID:12441104</ref>
 
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
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</div>
 
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<div class="pdbe-citations 1n18" style="background-color:#fffaf0;"></div>
 
==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Superoxide dismutase]]
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[[Category: Bruns CK]]
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[[Category: Bruns, C K]]
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[[Category: Cardoso RMF]]
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[[Category: Cardoso, R M.F]]
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[[Category: DiDonato M]]
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[[Category: DiDonato, M]]
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[[Category: Getzoff ED]]
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[[Category: Getzoff, E D]]
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[[Category: Lo TP]]
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[[Category: Lo, T P]]
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[[Category: Tainer JA]]
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[[Category: Tainer, J A]]
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[[Category: Thayer MM]]
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[[Category: Thayer, M M]]
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[[Category: Greek key beta barrel]]
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[[Category: Oxidoreductase]]
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Revision as of 08:44, 10 April 2024

Thermostable mutant of Human Superoxide Dismutase, C6A, C111S

PDB ID 1n18

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