5h0x

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'''Unreleased structure'''
 
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The entry 5h0x is ON HOLD
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==Crystal structure of H88S mutated human transthyretin==
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<StructureSection load='5h0x' size='340' side='right' caption='[[5h0x]], [[Resolution|resolution]] 1.57&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5h0x]] is a 2 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=5H0X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5H0X FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5h0v|5h0v]], [[5h0w|5h0w]], [[5h0y|5h0y]], [[5h0z|5h0z]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TTR, PALB ([http://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'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5h0x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5h0x OCA], [http://pdbe.org/5h0x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5h0x RCSB], [http://www.ebi.ac.uk/pdbsum/5h0x PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5h0x ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/TTHY_HUMAN TTHY_HUMAN]] Defects in TTR are the cause of amyloidosis transthyretin-related (AMYL-TTR) [MIM:[http://omim.org/entry/105210 105210]]. A hereditary generalized amyloidosis due to transthyretin amyloid deposition. Protein fibrils can form in different tissues leading to amyloid polyneuropathies, amyloidotic cardiomyopathy, carpal tunnel syndrome, systemic senile amyloidosis. The disease includes leptomeningeal amyloidosis that is characterized by primary involvement of the central nervous system. Neuropathologic examination shows amyloid in the walls of leptomeningeal vessels, in pia arachnoid, and subpial deposits. Some patients also develop vitreous amyloid deposition that leads to visual impairment (oculoleptomeningeal amyloidosis). Clinical features include seizures, stroke-like episodes, dementia, psychomotor deterioration, variable amyloid deposition in the vitreous humor.<ref>PMID:11243784</ref> <ref>PMID:15735344</ref> <ref>PMID:19167329</ref> <ref>PMID:3818577</ref> <ref>PMID:3022108</ref> <ref>PMID:6651852</ref> <ref>PMID:6583672</ref> <ref>PMID:3135807</ref> <ref>PMID:1517749</ref> <ref>PMID:1932142</ref> <ref>PMID:7923855</ref> <ref>PMID:8382610</ref> <ref>PMID:8428915</ref> <ref>PMID:9733771</ref> <ref>PMID:12403615</ref> <ref>PMID:16185074</ref> <ref>PMID:16627944</ref> <ref>PMID:6487335</ref> <ref>PMID:3722385</ref> <ref>PMID:2891727</ref> <ref>PMID:2161654</ref> <ref>PMID:2363717</ref> <ref>PMID:1656975</ref> <ref>PMID:2046936</ref> <ref>PMID:1570831</ref> <ref>PMID:1734866</ref> <ref>PMID:1520326</ref> <ref>PMID:1520336</ref> <ref>PMID:1544214</ref> <ref>PMID:1351039</ref> <ref>PMID:1301926</ref> <ref>PMID:1362222</ref> <ref>PMID:1436517</ref> <ref>PMID:8352764</ref> <ref>PMID:8038017</ref> <ref>PMID:8257997</ref> <ref>PMID:8095302</ref> <ref>PMID:1997217</ref> <ref>PMID:8019560</ref> <ref>PMID:8081397</ref> <ref>PMID:7914929</ref> <ref>PMID:8133316</ref> <ref>PMID:7910950</ref> <ref>PMID:7655883</ref> <ref>PMID:7850982</ref> <ref>PMID:8579098</ref> <ref>PMID:9066351</ref> <ref>PMID:8990019</ref> <ref>PMID:9605286</ref> <ref>PMID:10036587</ref> <ref>PMID:10627135</ref> <ref>PMID:10694917</ref> <ref>PMID:10211412</ref> <ref>PMID:10439117</ref> <ref>PMID:10611950</ref> <ref>PMID:10071047</ref> <ref>PMID:10436378</ref> <ref>PMID:10842705</ref> <ref>PMID:10842718</ref> <ref>PMID:10882995</ref> <ref>PMID:11445644</ref> <ref>PMID:12557757</ref> <ref>PMID:11866053</ref> <ref>PMID:12050338</ref> <ref>PMID:12771253</ref> <ref>PMID:15214015</ref> <ref>PMID:15478468</ref> <ref>PMID:15217993</ref> <ref>PMID:17453626</ref> <ref>PMID:17577687</ref> <ref>PMID:17503405</ref> <ref>PMID:17635579</ref> Defects in TTR are a cause of hyperthyroxinemia dystransthyretinemic euthyroidal (HTDE) [MIM:[http://omim.org/entry/145680 145680]]. It is a condition characterized by elevation of total and free thyroxine in healthy, euthyroid persons without detectable binding protein abnormalities.<ref>PMID:1979335</ref> Defects in TTR are a cause of carpal tunnel syndrome type 1 (CTS1) [MIM:[http://omim.org/entry/115430 115430]]. It is a condition characterized by entrapment of the median nerve within the carpal tunnel. Symptoms include burning pain and paresthesias involving the ventral surface of the hand and fingers which may radiate proximally. Impairment of sensation in the distribution of the median nerve and thenar muscle atrophy may occur. This condition may be associated with repetitive occupational trauma, wrist injuries, amyloid neuropathies, rheumatoid arthritis.<ref>PMID:8309582</ref>
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== Function ==
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[[http://www.uniprot.org/uniprot/TTHY_HUMAN TTHY_HUMAN]] Thyroid hormone-binding protein. Probably transports thyroxine from the bloodstream to the brain.<ref>PMID:3714052</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Destabilization of human transthyretin (TTR) has been implicated in its misfolding and aggregation. A previous study on the neutron crystal structure of TTR suggested that a large hydrogen bond network around H88 which includes water molecules is significantly involved in the stability of wild-type TTR (WT-TTR). Here, we demonstrate that the H88R mutant associated with amyloid cardiomyopathy is substantially destabilized compared with WT-TTR. In order to clarify the role of H88 and the hydrogen bond network in the stability of TTR, we determined the thermodynamic stability and the crystal structure of H88 mutants (H88A, H88F, H88Y, and H88S). Our results suggest that in some cases TTR is destabilized due to alterations in bound water molecules as well as structural changes in TTR itself.
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Authors: Yokoyama, T., Hanawa, Y., Obita, T., Mizuguchi, M.
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Stability and crystal structures of His88 mutant human transthyretins.,Yokoyama T, Hanawa Y, Obita T, Mizuguchi M FEBS Lett. 2017 Jul;591(13):1862-1871. doi: 10.1002/1873-3468.12704. Epub 2017, Jun 20. PMID:28563699<ref>PMID:28563699</ref>
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Description: Crystal structure of H88S mutated human transthyretin
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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<div class="pdbe-citations 5h0x" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Human]]
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[[Category: Hanawa, Y]]
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[[Category: Mizuguchi, M]]
[[Category: Obita, T]]
[[Category: Obita, T]]
[[Category: Yokoyama, T]]
[[Category: Yokoyama, T]]
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[[Category: Mizuguchi, M]]
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[[Category: Amyloidosis]]
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[[Category: Hanawa, Y]]
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[[Category: Transport protein]]
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[[Category: Transporter]]
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[[Category: Transthhyretin]]

Revision as of 05:54, 16 November 2017

Crystal structure of H88S mutated human transthyretin

5h0x, resolution 1.57Å

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