3ppd

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<StructureSection load='3ppd' size='340' side='right'caption='[[3ppd]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
<StructureSection load='3ppd' size='340' side='right'caption='[[3ppd]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3ppd]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PPD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PPD FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3ppd]] is a 1 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=3PPD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PPD 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=ACY:ACETIC+ACID'>ACY</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]] 1.5&#8491;</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=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=3ppd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ppd OCA], [https://pdbe.org/3ppd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ppd RCSB], [https://www.ebi.ac.uk/pdbsum/3ppd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ppd 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=3ppd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ppd OCA], [https://pdbe.org/3ppd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ppd RCSB], [https://www.ebi.ac.uk/pdbsum/3ppd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ppd ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/PPAP_HUMAN PPAP_HUMAN]] A non-specific tyrosine phosphatase that dephosphorylates a diverse number of substrates under acidic conditions (pH 4-6) including alkyl, aryl, and acyl orthophosphate monoesters and phosphorylated proteins. Has lipid phosphatase activity and inactivates lysophosphatidic acid in seminal plasma.<ref>PMID:15280042</ref> <ref>PMID:18083097</ref> <ref>PMID:19403677</ref> <ref>PMID:20498373</ref> Isoform 2: the cellular form also has ecto-5'-nucleotidase activity in dorsal root ganglion (DRG) neurons. Generates adenosine from AMP which acts as a pain suppressor. Acts as a tumor suppressor of prostate cancer through dephosphorylation of ERBB2 and deactivation of MAPK-mediated signaling.<ref>PMID:15280042</ref> <ref>PMID:18083097</ref> <ref>PMID:19403677</ref> <ref>PMID:20498373</ref>
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[https://www.uniprot.org/uniprot/PPAP_HUMAN PPAP_HUMAN] A non-specific tyrosine phosphatase that dephosphorylates a diverse number of substrates under acidic conditions (pH 4-6) including alkyl, aryl, and acyl orthophosphate monoesters and phosphorylated proteins. Has lipid phosphatase activity and inactivates lysophosphatidic acid in seminal plasma.<ref>PMID:15280042</ref> <ref>PMID:18083097</ref> <ref>PMID:19403677</ref> <ref>PMID:20498373</ref> Isoform 2: the cellular form also has ecto-5'-nucleotidase activity in dorsal root ganglion (DRG) neurons. Generates adenosine from AMP which acts as a pain suppressor. Acts as a tumor suppressor of prostate cancer through dephosphorylation of ERBB2 and deactivation of MAPK-mediated signaling.<ref>PMID:15280042</ref> <ref>PMID:18083097</ref> <ref>PMID:19403677</ref> <ref>PMID:20498373</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Many globular and natively disordered proteins can convert into amyloid fibrils. These fibrils are associated with numerous pathologies as well as with normal cellular functions, and frequently form during protein denaturation. Inhibitors of pathological amyloid fibril formation could be useful in the development of therapeutics, provided that the inhibitors were specific enough to avoid interfering with normal processes. Here we show that computer-aided, structure-based design can yield highly specific peptide inhibitors of amyloid formation. Using known atomic structures of segments of amyloid fibrils as templates, we have designed and characterized an all-d-amino-acid inhibitor of the fibril formation of the tau protein associated with Alzheimer's disease, and a non-natural l-amino-acid inhibitor of an amyloid fibril that enhances sexual transmission of human immunodeficiency virus. Our results indicate that peptides from structure-based designs can disrupt the fibril formation of full-length proteins, including those, such as tau protein, that lack fully ordered native structures. Because the inhibiting peptides have been designed on structures of dual-beta-sheet 'steric zippers', the successful inhibition of amyloid fibril formation strengthens the hypothesis that amyloid spines contain steric zippers.
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Structure-based design of non-natural amino-acid inhibitors of amyloid fibril formation.,Sievers SA, Karanicolas J, Chang HW, Zhao A, Jiang L, Zirafi O, Stevens JT, Munch J, Baker D, Eisenberg D Nature. 2011 Jun 15. doi: 10.1038/nature10154. PMID:21677644<ref>PMID:21677644</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 3ppd" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Eisenberg, D]]
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[[Category: Eisenberg D]]
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[[Category: Sawaya, M R]]
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[[Category: Sawaya MR]]
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[[Category: Zhao, A]]
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[[Category: Zhao A]]
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[[Category: Amyloid fibril]]
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[[Category: Amyloid-like protofibril]]
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[[Category: Protein fibril]]
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Current revision

GGVLVN segment from Human Prostatic Acid Phosphatase Residues 260-265, involved in Semen-Derived Enhancer of Viral Infection

PDB ID 3ppd

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