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==Structure of human ARH3 D314E bound to ADP-ribose and magnesium==
==Structure of human ARH3 D314E bound to ADP-ribose and magnesium==
<StructureSection load='6d3a' size='340' side='right' caption='[[6d3a]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='6d3a' size='340' side='right'caption='[[6d3a]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6d3a]] 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=6D3A OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6D3A FirstGlance]. <br>
<table><tr><td colspan='2'>[[6d3a]] 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=6D3A OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6D3A FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AR6:[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL+[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL]+HYDROGEN+PHOSPHATE'>AR6</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6000102&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ADPRHL2, ARH3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AR6:[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL+[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL]+HYDROGEN+PHOSPHATE'>AR6</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Poly(ADP-ribose)_glycohydrolase Poly(ADP-ribose) glycohydrolase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.143 3.2.1.143] </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=6d3a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6d3a OCA], [https://pdbe.org/6d3a PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6d3a RCSB], [https://www.ebi.ac.uk/pdbsum/6d3a PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6d3a ProSAT]</span></td></tr>
<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=6d3a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6d3a OCA], [http://pdbe.org/6d3a PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6d3a RCSB], [http://www.ebi.ac.uk/pdbsum/6d3a PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6d3a ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/ADPRS_HUMAN ADPRS_HUMAN] The disease is caused by variants affecting the gene represented in this entry.
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/ARHL2_HUMAN ARHL2_HUMAN]] Poly(ADP-ribose) synthesized after DNA damage is only present transiently and is rapidly degraded by poly(ADP-ribose) glycohydrolase. Poly(ADP-ribose) metabolism may be required for maintenance of the normal function of neuronal cells. Generates ADP-ribose from poly-(ADP-ribose), but does not hydrolyze ADP-ribose-arginine, -cysteine, -diphthamide, or -asparagine bonds. Due to catalytic inactivity of PARG mitochondrial isoforms, ARH3 is the only PAR hydrolyzing enzyme in mitochondria.<ref>PMID:16278211</ref>
[https://www.uniprot.org/uniprot/ADPRS_HUMAN ADPRS_HUMAN] ADP-ribose glycohydrolase that preferentially hydrolyzes the scissile alpha-O-linkage attached to the anomeric C1'' position of ADP-ribose and acts on different substrates, such as proteins ADP-ribosylated on serine, free poly(ADP-ribose) and O-acetyl-ADP-D-ribose (PubMed:21498885, PubMed:30045870, PubMed:29907568, PubMed:30401461, PubMed:33186521). Specifically acts as a serine mono-ADP-ribosylhydrolase by mediating the removal of mono-ADP-ribose attached to serine residues on proteins, thereby playing a key role in DNA damage response (PubMed:28650317, PubMed:29234005, PubMed:30045870, PubMed:33186521). Serine ADP-ribosylation of proteins constitutes the primary form of ADP-ribosylation of proteins in response to DNA damage (PubMed:29480802, PubMed:33186521). Does not hydrolyze ADP-ribosyl-arginine, -cysteine, -diphthamide, or -asparagine bonds (PubMed:16278211). Also able to degrade protein free poly(ADP-ribose), which is synthesized in response to DNA damage: free poly(ADP-ribose) acts as a potent cell death signal and its degradation by ADPRHL2 protects cells from poly(ADP-ribose)-dependent cell death, a process named parthanatos (PubMed:16278211). Also hydrolyzes free poly(ADP-ribose) in mitochondria (PubMed:22433848). Specifically digests O-acetyl-ADP-D-ribose, a product of deacetylation reactions catalyzed by sirtuins (PubMed:17075046, PubMed:21498885). Specifically degrades 1''-O-acetyl-ADP-D-ribose isomer, rather than 2''-O-acetyl-ADP-D-ribose or 3''-O-acetyl-ADP-D-ribose isomers (PubMed:21498885).<ref>PMID:16278211</ref> <ref>PMID:17075046</ref> <ref>PMID:21498885</ref> <ref>PMID:22433848</ref> <ref>PMID:28650317</ref> <ref>PMID:29234005</ref> <ref>PMID:29480802</ref> <ref>PMID:29907568</ref> <ref>PMID:30045870</ref> <ref>PMID:30401461</ref> <ref>PMID:33186521</ref>
 
==See Also==
*[[Poly(ADP-ribose) glycohydrolase 3D structures|Poly(ADP-ribose) glycohydrolase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Kim, I K]]
[[Category: Large Structures]]
[[Category: Kurinov, I]]
[[Category: Kim IK]]
[[Category: Pourfarjam, Y]]
[[Category: Kurinov I]]
[[Category: Ventura, J]]
[[Category: Pourfarjam Y]]
[[Category: Hydrolase]]
[[Category: Ventura J]]

Latest revision as of 14:32, 13 March 2024

Structure of human ARH3 D314E bound to ADP-ribose and magnesium

6d3a, resolution 1.60Å

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