3nyl

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<StructureSection load='3nyl' size='340' side='right'caption='[[3nyl]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
<StructureSection load='3nyl' size='340' side='right'caption='[[3nyl]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3nyl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1rw6 1rw6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NYL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NYL FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3nyl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1rw6 1rw6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NYL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NYL FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1rw6|1rw6]], [[3nyj|3nyj]]</div></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]] 2.8&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">APP, hCG_1810805 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=3nyl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nyl OCA], [https://pdbe.org/3nyl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3nyl RCSB], [https://www.ebi.ac.uk/pdbsum/3nyl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3nyl 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=3nyl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nyl OCA], [https://pdbe.org/3nyl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3nyl RCSB], [https://www.ebi.ac.uk/pdbsum/3nyl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3nyl ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[https://www.uniprot.org/uniprot/A4_HUMAN A4_HUMAN]] Defects in APP are the cause of Alzheimer disease type 1 (AD1) [MIM:[https://omim.org/entry/104300 104300]]. AD1 is a familial early-onset form of Alzheimer disease. It can be associated with cerebral amyloid angiopathy. Alzheimer disease is a neurodegenerative disorder characterized by progressive dementia, loss of cognitive abilities, and deposition of fibrillar amyloid proteins as intraneuronal neurofibrillary tangles, extracellular amyloid plaques and vascular amyloid deposits. The major constituent of these plaques is the neurotoxic amyloid-beta-APP 40-42 peptide (s), derived proteolytically from the transmembrane precursor protein APP by sequential secretase processing. The cytotoxic C-terminal fragments (CTFs) and the caspase-cleaved products such as C31 derived from APP, are also implicated in neuronal death.<ref>PMID:8476439</ref> <ref>PMID:15201367</ref> <ref>PMID:1671712</ref> <ref>PMID:1908231</ref> <ref>PMID:1678058</ref> <ref>PMID:1944558</ref> <ref>PMID:1925564</ref> <ref>PMID:1415269</ref> <ref>PMID:1303239</ref> <ref>PMID:1302033</ref> <ref>PMID:1303275</ref> <ref>PMID:8267572</ref> <ref>PMID:8290042</ref> <ref>PMID:8577393</ref> <ref>PMID:9328472</ref> <ref>PMID:9754958</ref> <ref>PMID:10097173</ref> <ref>PMID:10631141</ref> <ref>PMID:10665499</ref> <ref>PMID:10867787</ref> <ref>PMID:11063718</ref> <ref>PMID:11311152</ref> <ref>PMID:11528419</ref> <ref>PMID:12034808</ref> <ref>PMID:15365148</ref> <ref>PMID:15668448</ref> Defects in APP are the cause of cerebral amyloid angiopathy APP-related (CAA-APP) [MIM:[https://omim.org/entry/605714 605714]]. A hereditary localized amyloidosis due to amyloid-beta A4 peptide(s) deposition in the cerebral vessels. The principal clinical characteristics are recurrent cerebral and cerebellar hemorrhages, recurrent strokes, cerebral ischemia, cerebral infarction, and progressive mental deterioration. Patients develop cerebral hemorrhage because of the severe cerebral amyloid angiopathy. Parenchymal amyloid deposits are rare and largely in the form of pre-amyloid lesions or diffuse plaque-like structures. They are Congo red negative and lack the dense amyloid cores commonly present in Alzheimer disease. Some affected individuals manifest progressive aphasic dementia, leukoencephalopathy, and occipital calcifications.<ref>PMID:10821838</ref> <ref>PMID:2111584</ref> <ref>PMID:11409420</ref> <ref>PMID:12654973</ref> <ref>PMID:16178030</ref>
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[https://www.uniprot.org/uniprot/A4_HUMAN A4_HUMAN] Defects in APP are the cause of Alzheimer disease type 1 (AD1) [MIM:[https://omim.org/entry/104300 104300]. AD1 is a familial early-onset form of Alzheimer disease. It can be associated with cerebral amyloid angiopathy. Alzheimer disease is a neurodegenerative disorder characterized by progressive dementia, loss of cognitive abilities, and deposition of fibrillar amyloid proteins as intraneuronal neurofibrillary tangles, extracellular amyloid plaques and vascular amyloid deposits. The major constituent of these plaques is the neurotoxic amyloid-beta-APP 40-42 peptide (s), derived proteolytically from the transmembrane precursor protein APP by sequential secretase processing. The cytotoxic C-terminal fragments (CTFs) and the caspase-cleaved products such as C31 derived from APP, are also implicated in neuronal death.<ref>PMID:8476439</ref> <ref>PMID:15201367</ref> <ref>PMID:1671712</ref> <ref>PMID:1908231</ref> <ref>PMID:1678058</ref> <ref>PMID:1944558</ref> <ref>PMID:1925564</ref> <ref>PMID:1415269</ref> <ref>PMID:1303239</ref> <ref>PMID:1302033</ref> <ref>PMID:1303275</ref> <ref>PMID:8267572</ref> <ref>PMID:8290042</ref> <ref>PMID:8577393</ref> <ref>PMID:9328472</ref> <ref>PMID:9754958</ref> <ref>PMID:10097173</ref> <ref>PMID:10631141</ref> <ref>PMID:10665499</ref> <ref>PMID:10867787</ref> <ref>PMID:11063718</ref> <ref>PMID:11311152</ref> <ref>PMID:11528419</ref> <ref>PMID:12034808</ref> <ref>PMID:15365148</ref> <ref>PMID:15668448</ref> Defects in APP are the cause of cerebral amyloid angiopathy APP-related (CAA-APP) [MIM:[https://omim.org/entry/605714 605714]. A hereditary localized amyloidosis due to amyloid-beta A4 peptide(s) deposition in the cerebral vessels. The principal clinical characteristics are recurrent cerebral and cerebellar hemorrhages, recurrent strokes, cerebral ischemia, cerebral infarction, and progressive mental deterioration. Patients develop cerebral hemorrhage because of the severe cerebral amyloid angiopathy. Parenchymal amyloid deposits are rare and largely in the form of pre-amyloid lesions or diffuse plaque-like structures. They are Congo red negative and lack the dense amyloid cores commonly present in Alzheimer disease. Some affected individuals manifest progressive aphasic dementia, leukoencephalopathy, and occipital calcifications.<ref>PMID:10821838</ref> <ref>PMID:2111584</ref> <ref>PMID:11409420</ref> <ref>PMID:12654973</ref> <ref>PMID:16178030</ref>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/A4_HUMAN A4_HUMAN]] Functions as a cell surface receptor and performs physiological functions on the surface of neurons relevant to neurite growth, neuronal adhesion and axonogenesis. Involved in cell mobility and transcription regulation through protein-protein interactions. Can promote transcription activation through binding to APBB1-KAT5 and inhibits Notch signaling through interaction with Numb. Couples to apoptosis-inducing pathways such as those mediated by G(O) and JIP. Inhibits G(o) alpha ATPase activity (By similarity). Acts as a kinesin I membrane receptor, mediating the axonal transport of beta-secretase and presenilin 1. Involved in copper homeostasis/oxidative stress through copper ion reduction. In vitro, copper-metallated APP induces neuronal death directly or is potentiated through Cu(2+)-mediated low-density lipoprotein oxidation. Can regulate neurite outgrowth through binding to components of the extracellular matrix such as heparin and collagen I and IV. The splice isoforms that contain the BPTI domain possess protease inhibitor activity. Induces a AGER-dependent pathway that involves activation of p38 MAPK, resulting in internalization of amyloid-beta peptide and leading to mitochondrial dysfunction in cultured cortical neurons. Provides Cu(2+) ions for GPC1 which are required for release of nitric oxide (NO) and subsequent degradation of the heparan sulfate chains on GPC1.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> Beta-amyloid peptides are lipophilic metal chelators with metal-reducing activity. Bind transient metals such as copper, zinc and iron. In vitro, can reduce Cu(2+) and Fe(3+) to Cu(+) and Fe(2+), respectively. Beta-amyloid 42 is a more effective reductant than beta-amyloid 40. Beta-amyloid peptides bind to lipoproteins and apolipoproteins E and J in the CSF and to HDL particles in plasma, inhibiting metal-catalyzed oxidation of lipoproteins. Beta-APP42 may activate mononuclear phagocytes in the brain and elicit inflammatory responses. Promotes both tau aggregation and TPK II-mediated phosphorylation. Interaction with Also bind GPC1 in lipid rafts.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> Appicans elicit adhesion of neural cells to the extracellular matrix and may regulate neurite outgrowth in the brain (By similarity).<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> The gamma-CTF peptides as well as the caspase-cleaved peptides, including C31, are potent enhancers of neuronal apoptosis.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> N-APP binds TNFRSF21 triggering caspase activation and degeneration of both neuronal cell bodies (via caspase-3) and axons (via caspase-6).<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref>
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[https://www.uniprot.org/uniprot/A4_HUMAN A4_HUMAN] Functions as a cell surface receptor and performs physiological functions on the surface of neurons relevant to neurite growth, neuronal adhesion and axonogenesis. Involved in cell mobility and transcription regulation through protein-protein interactions. Can promote transcription activation through binding to APBB1-KAT5 and inhibits Notch signaling through interaction with Numb. Couples to apoptosis-inducing pathways such as those mediated by G(O) and JIP. Inhibits G(o) alpha ATPase activity (By similarity). Acts as a kinesin I membrane receptor, mediating the axonal transport of beta-secretase and presenilin 1. Involved in copper homeostasis/oxidative stress through copper ion reduction. In vitro, copper-metallated APP induces neuronal death directly or is potentiated through Cu(2+)-mediated low-density lipoprotein oxidation. Can regulate neurite outgrowth through binding to components of the extracellular matrix such as heparin and collagen I and IV. The splice isoforms that contain the BPTI domain possess protease inhibitor activity. Induces a AGER-dependent pathway that involves activation of p38 MAPK, resulting in internalization of amyloid-beta peptide and leading to mitochondrial dysfunction in cultured cortical neurons. Provides Cu(2+) ions for GPC1 which are required for release of nitric oxide (NO) and subsequent degradation of the heparan sulfate chains on GPC1.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> Beta-amyloid peptides are lipophilic metal chelators with metal-reducing activity. Bind transient metals such as copper, zinc and iron. In vitro, can reduce Cu(2+) and Fe(3+) to Cu(+) and Fe(2+), respectively. Beta-amyloid 42 is a more effective reductant than beta-amyloid 40. Beta-amyloid peptides bind to lipoproteins and apolipoproteins E and J in the CSF and to HDL particles in plasma, inhibiting metal-catalyzed oxidation of lipoproteins. Beta-APP42 may activate mononuclear phagocytes in the brain and elicit inflammatory responses. Promotes both tau aggregation and TPK II-mediated phosphorylation. Interaction with Also bind GPC1 in lipid rafts.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> Appicans elicit adhesion of neural cells to the extracellular matrix and may regulate neurite outgrowth in the brain (By similarity).<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> The gamma-CTF peptides as well as the caspase-cleaved peptides, including C31, are potent enhancers of neuronal apoptosis.<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref> N-APP binds TNFRSF21 triggering caspase activation and degeneration of both neuronal cell bodies (via caspase-3) and axons (via caspase-6).<ref>PMID:9168929</ref> <ref>PMID:11544248</ref> <ref>PMID:11943163</ref> <ref>PMID:19225519</ref> <ref>PMID:19901339</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Amyloid beta-peptide, which forms neuronal and vascular amyloid deposits in Alzheimer's disease, is derived from an integral membrane protein precursor. The biological function of the precursor is currently unclear. Here we describe the X-ray structure of E2, the largest of the three conserved domains of the precursor. The structure of E2 consists of two coiled-coil substructures connected through a continuous helix and bears an unexpected resemblance to the spectrin family of protein structures. E2 can reversibly dimerize in the solution, and the dimerization occurs along the longest dimension of the molecule in an antiparallel orientation, which enables the N-terminal substructure of one monomer to pack against the C-terminal substructure of a second monomer. Heparan sulfate proteoglycans, the putative ligand for the precursor present in extracellular matrix, bind to E2 at a conserved and positively charged site near the dimer interface.
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The X-ray structure of an antiparallel dimer of the human amyloid precursor protein E2 domain.,Wang Y, Ha Y Mol Cell. 2004 Aug 13;15(3):343-53. PMID:15304215<ref>PMID:15304215</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 3nyl" style="background-color:#fffaf0;"></div>
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==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: Ha, Y]]
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[[Category: Ha Y]]
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[[Category: Hu, J]]
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[[Category: Hu J]]
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[[Category: Lee, S]]
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[[Category: Lee S]]
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[[Category: Liu, X]]
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[[Category: Liu X]]
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[[Category: Wang, Y]]
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[[Category: Wang Y]]
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[[Category: Alzheimer's disease]]
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[[Category: Cell adhesion]]
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[[Category: Helical hairpin]]
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Current revision

The X-ray structure of an antiparallel dimer of the human amyloid precursor protein E2 domain

PDB ID 3nyl

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