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5b83

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==Crystal structure of Optineurin UBAN in complex with linear ubiquitin==
==Crystal structure of Optineurin UBAN in complex with linear ubiquitin==
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<StructureSection load='5b83' size='340' side='right' caption='[[5b83]], [[Resolution|resolution]] 2.69&Aring;' scene=''>
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<StructureSection load='5b83' size='340' side='right'caption='[[5b83]], [[Resolution|resolution]] 2.69&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5b83]] is a 6 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5B83 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5B83 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5b83]] is a 6 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=5B83 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5B83 FirstGlance]. <br>
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</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=5b83 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b83 OCA], [http://pdbe.org/5b83 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5b83 RCSB], [http://www.ebi.ac.uk/pdbsum/5b83 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5b83 ProSAT]</span></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]] 2.694&#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=5b83 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b83 OCA], [https://pdbe.org/5b83 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5b83 RCSB], [https://www.ebi.ac.uk/pdbsum/5b83 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5b83 ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
 
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[[http://www.uniprot.org/uniprot/OPTN_HUMAN OPTN_HUMAN]] Amyotrophic lateral sclerosis;Congenital glaucoma. Primary open angle glaucoma 1E (GLC1E) [MIM:[http://omim.org/entry/137760 137760]]: A form of primary open angle glaucoma (POAG). POAG is characterized by a specific pattern of optic nerve and visual field defects. The angle of the anterior chamber of the eye is open, and usually the intraocular pressure is increased. The disease is asymptomatic until the late stages, by which time significant and irreversible optic nerve damage has already taken place. Note=The disease is caused by mutations affecting the gene represented in this entry.<ref>PMID:11834836</ref> <ref>PMID:12939304</ref> <ref>PMID:14597044</ref> <ref>PMID:15326130</ref> <ref>PMID:15557444</ref> <ref>PMID:15226658</ref> Normal pressure glaucoma (NPG) [MIM:[http://omim.org/entry/606657 606657]]: A primary glaucoma characterized by intraocular pression consistently within the statistically normal population range. Note=Disease susceptibility is associated with variations affecting the gene represented in this entry.<ref>PMID:15370540</ref> Amyotrophic lateral sclerosis 12 (ALS12) [MIM:[http://omim.org/entry/613435 613435]]: A neurodegenerative disorder affecting upper motor neurons in the brain and lower motor neurons in the brain stem and spinal cord, resulting in fatal paralysis. Sensory abnormalities are absent. The pathologic hallmarks of the disease include pallor of the corticospinal tract due to loss of motor neurons, presence of ubiquitin-positive inclusions within surviving motor neurons, and deposition of pathologic aggregates. 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 the cases. Note=The disease is caused by mutations affecting the gene represented in this entry.<ref>PMID:20428114</ref>
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/UBC_HUMAN UBC_HUMAN]] Ubiquitin exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-6-linked may be involved in DNA repair; Lys-11-linked is involved in ERAD (endoplasmic reticulum-associated degradation) and in cell-cycle regulation; Lys-29-linked is involved in lysosomal degradation; Lys-33-linked is involved in kinase modification; Lys-48-linked is involved in protein degradation via the proteasome; Lys-63-linked is involved in endocytosis, DNA-damage responses as well as in signaling processes leading to activation of the transcription factor NF-kappa-B. Linear polymer chains formed via attachment by the initiator Met lead to cell signaling. Ubiquitin is usually conjugated to Lys residues of target proteins, however, in rare cases, conjugation to Cys or Ser residues has been observed. When polyubiquitin is free (unanchored-polyubiquitin), it also has distinct roles, such as in activation of protein kinases, and in signaling.<ref>PMID:16543144</ref> <ref>PMID:19754430</ref> [[http://www.uniprot.org/uniprot/OPTN_HUMAN OPTN_HUMAN]] Plays an important role in the maintenance of the Golgi complex, in membrane trafficking, in exocytosis, through its interaction with myosin VI and Rab8. Links myosin VI to the Golgi complex and plays an important role in Golgi ribbon formation. Negatively regulates the induction of IFNB in response to RNA virus infection. Plays a neuroprotective role in the eye and optic nerve. Probably part of the TNF-alpha signaling pathway that can shift the equilibrium toward induction of cell death. May act by regulating membrane trafficking and cellular morphogenesis via a complex that contains Rab8 and hungtingtin (HD). May constitute a cellular target for adenovirus E3 14.7, an inhibitor of TNF-alpha functions, thereby affecting cell death.<ref>PMID:11834836</ref> <ref>PMID:15837803</ref> <ref>PMID:20174559</ref>
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[https://www.uniprot.org/uniprot/UBC_HUMAN UBC_HUMAN] Ubiquitin exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-6-linked may be involved in DNA repair; Lys-11-linked is involved in ERAD (endoplasmic reticulum-associated degradation) and in cell-cycle regulation; Lys-29-linked is involved in lysosomal degradation; Lys-33-linked is involved in kinase modification; Lys-48-linked is involved in protein degradation via the proteasome; Lys-63-linked is involved in endocytosis, DNA-damage responses as well as in signaling processes leading to activation of the transcription factor NF-kappa-B. Linear polymer chains formed via attachment by the initiator Met lead to cell signaling. Ubiquitin is usually conjugated to Lys residues of target proteins, however, in rare cases, conjugation to Cys or Ser residues has been observed. When polyubiquitin is free (unanchored-polyubiquitin), it also has distinct roles, such as in activation of protein kinases, and in signaling.<ref>PMID:16543144</ref> <ref>PMID:19754430</ref>
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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<div class="pdbe-citations 5b83" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 5b83" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[3D structures of ubiquitin|3D structures of ubiquitin]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Ishii, R]]
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[[Category: Homo sapiens]]
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[[Category: Nureki, O]]
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[[Category: Large Structures]]
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[[Category: Cellular]]
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[[Category: Ishii R]]
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[[Category: Coiled-coil]]
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[[Category: Nureki O]]
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[[Category: Nfkb pathway]]
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[[Category: Signaling]]
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[[Category: Signaling protein]]
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[[Category: Ubiquitin]]
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Current revision

Crystal structure of Optineurin UBAN in complex with linear ubiquitin

PDB ID 5b83

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