2w08

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{{STRUCTURE_2w08| PDB=2w08 | SCENE= }}
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==THE STRUCTURE OF SERUM AMYLOID P COMPONENT BOUND TO 0-PHOSPHO-THREONINE==
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===THE STRUCTURE OF SERUM AMYLOID P COMPONENT BOUND TO 0-PHOSPHO-THREONINE===
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<StructureSection load='2w08' size='340' side='right' caption='[[2w08]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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{{ABSTRACT_PUBMED_19372378}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2w08]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2W08 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2W08 FirstGlance]. <br>
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==Disease==
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2a3x|2a3x]], [[1sac|1sac]], [[1gyk|1gyk]], [[2a3y|2a3y]], [[2a3w|2a3w]], [[1lgn|1lgn]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2w08 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2w08 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2w08 RCSB], [http://www.ebi.ac.uk/pdbsum/2w08 PDBsum]</span></td></tr>
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<table>
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== Disease ==
[[http://www.uniprot.org/uniprot/SAMP_HUMAN SAMP_HUMAN]] Note=SAP is a precursor of amyloid component P which is found in basement membrane and associated with amyloid deposits.
[[http://www.uniprot.org/uniprot/SAMP_HUMAN SAMP_HUMAN]] Note=SAP is a precursor of amyloid component P which is found in basement membrane and associated with amyloid deposits.
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== Function ==
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==Function==
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[[http://www.uniprot.org/uniprot/SAMP_HUMAN SAMP_HUMAN]] Can interact with DNA and histones and may scavenge nuclear material released from damaged circulating cells. May also function as a calcium-dependent lectin.
[[http://www.uniprot.org/uniprot/SAMP_HUMAN SAMP_HUMAN]] Can interact with DNA and histones and may scavenge nuclear material released from damaged circulating cells. May also function as a calcium-dependent lectin.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/w0/2w08_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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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/chain_selection.php?pdb_ID=2ata ConSurf].
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<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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New therapeutic approaches in Alzheimer's disease are urgently needed. The normal plasma protein, serum amyloid P component (SAP), is always present in cerebrospinal fluid (CSF) and in the pathognomonic lesions of Alzheimer's disease, cerebrovascular and intracerebral Abeta amyloid plaques and neurofibrillary tangles, as a result of its binding to amyloid fibrils and to paired helical filaments, respectively. SAP itself may also be directly neurocytotoxic. Here, in this unique study in Alzheimer's disease of the bis(d-proline) compound, (R)-1-[6-[(R)-2-carboxy-pyrrolidin-1-yl]-6-oxo-hexanoyl]pyrrolidine-2-carb oxylic acid (CPHPC), we observed depletion of circulating SAP and also remarkable, almost complete, disappearance of SAP from the CSF. We demonstrate that SAP depletion in vivo is caused by CPHPC cross-linking pairs of SAP molecules in solution to form complexes that are immediately cleared from the plasma. We have also solved the structure of SAP complexed with phosphothreonine, its likely ligand on hyperphosphorylated tau protein. These results support further clinical study of SAP depletion in Alzheimer's disease and potentially other neurodegenerative diseases.
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==About this Structure==
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Molecular dissection of Alzheimer's disease neuropathology by depletion of serum amyloid P component.,Kolstoe SE, Ridha BH, Bellotti V, Wang N, Robinson CV, Crutch SJ, Keir G, Kukkastenvehmas R, Gallimore JR, Hutchinson WL, Hawkins PN, Wood SP, Rossor MN, Pepys MB Proc Natl Acad Sci U S A. 2009 Apr 16. PMID:19372378<ref>PMID:19372378</ref>
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[[2w08]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2W08 OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:019372378</ref><references group="xtra"/><references/>
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</div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Kolstoe, S E.]]
[[Category: Kolstoe, S E.]]

Revision as of 01:22, 1 October 2014

THE STRUCTURE OF SERUM AMYLOID P COMPONENT BOUND TO 0-PHOSPHO-THREONINE

2w08, resolution 1.70Å

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