4pvn

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Current revision (08:58, 20 March 2024) (edit) (undo)
 
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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4pvn]] is a 2 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=4PVN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4PVN FirstGlance]. <br>
<table><tr><td colspan='2'>[[4pvn]] is a 2 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=4PVN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4PVN 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=DOD:DEUTERATED+WATER'>DOD</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">Hybrid , Neutron Diffraction , X-ray diffraction, [[Resolution|Resolution]] 2.3&#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=DOD:DEUTERATED+WATER'>DOD</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=4pvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4pvn OCA], [https://pdbe.org/4pvn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4pvn RCSB], [https://www.ebi.ac.uk/pdbsum/4pvn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4pvn 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=4pvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4pvn OCA], [https://pdbe.org/4pvn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4pvn RCSB], [https://www.ebi.ac.uk/pdbsum/4pvn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4pvn ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
== Function ==
[https://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>
[https://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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Human transthyretin has an intrinsic tendency to form amyloid fibrils and is heavily implicated in senile systemic amyloidosis. Here, detailed neutron structural studies of perdeuterated transthyretin are described. The analyses, which fully exploit the enhanced visibility of isotopically replaced hydrogen atoms, yield new information on the stability of the protein and the possible mechanisms of amyloid formation. Residue Ser117 may play a pivotal role in that a single water molecule is closely associated with the gamma-hydrogen atoms in one of the binding pockets, and could be important in determining which of the two sites is available to the substrate. The hydrogen-bond network at the monomer-monomer interface is more extensive than that at the dimer-dimer interface. Additionally, the edge strands of the primary dimer are seen to be favourable for continuation of the beta-sheet and the formation of an extended cross-beta structure through sequential dimer couplings. It is argued that the precursor to fibril formation is the dimeric form of the protein.
 
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Binding site asymmetry in human transthyretin: insights from a joint neutron and X-ray crystallographic analysis using perdeuterated protein.,Haupt M, Blakeley MP, Fisher SJ, Mason SA, Cooper JB, Mitchell EP, Forsyth VT IUCrJ. 2014 Oct 21;1(Pt 6):429-38. doi: 10.1107/S2052252514021113. eCollection, 2014 Nov 1. PMID:25485123<ref>PMID:25485123</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 4pvn" style="background-color:#fffaf0;"></div>
 
==See Also==
==See Also==

Current revision

Neutron structure of human transthyretin (TTR) at room temperature to 2.3A resolution (monochromatic)

PDB ID 4pvn

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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