1hr3: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1hr3]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Siphonosoma Siphonosoma]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HR3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HR3 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1hr3]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Siphonosoma Siphonosoma]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HR3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HR3 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FEA:MONOAZIDO-MU-OXO-DIIRON'>FEA</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 5.5&#8491;</td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=UNK:UNKNOWN'>UNK</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FEA:MONOAZIDO-MU-OXO-DIIRON'>FEA</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=1hr3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hr3 OCA], [https://pdbe.org/1hr3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hr3 RCSB], [https://www.ebi.ac.uk/pdbsum/1hr3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hr3 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=1hr3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hr3 OCA], [https://pdbe.org/1hr3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hr3 RCSB], [https://www.ebi.ac.uk/pdbsum/1hr3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hr3 ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Several simplifying structural principles have been developed from the considerable data contained in the three-dimensional structures of proteins determined in the past two decades. One of these is based on the observation that particular folding motifs often occur in a variety of structural and functional settings. The compact bundle of four antiparallel alpha-helices, first seen in the structure of myohaemerythrin, is an example. Several non-haemerythrin proteins have since been found to have the same folding pattern, and haemerythrins themselves exist in a wide variety of quaternary arrangements. The unusual ability of the haemerythrin fold to associate as dimers, trimers, tetramers, octamers or higher aggregates provides an opportunity for examining structural diversity in subunit association. We have used X-ray crystallography to study the subunit structure of trimeric haemerythrin from a Siphonosoma species. We report here that the pattern of intersubunit helix-helix interactions differs from the most common mode of association of other helix-bundle proteins. In a novel approach to structure analysis at low resolution, experimental phases for the structure determination were based on anomalous scattering from the iron atoms native to haemerythrin, using the new resolved-anomalous phasing procedure.
Structure of trimeric haemerythrin.,Smith JL, Hendrickson WA, Addison AW Nature. 1983 May 5-11;303(5912):86-8. PMID:6843663<ref>PMID:6843663</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1hr3" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Siphonosoma]]
[[Category: Siphonosoma]]
[[Category: Addison, A W]]
[[Category: Addison AW]]
[[Category: Hendrickson, W A]]
[[Category: Hendrickson WA]]
[[Category: Smith, J L]]
[[Category: Smith JL]]
[[Category: Oxygen transport protein]]

Latest revision as of 10:29, 7 February 2024

STRUCTURE OF TRIMERIC HAEMERYTHRINSTRUCTURE OF TRIMERIC HAEMERYTHRIN

Structural highlights

1hr3 is a 3 chain structure with sequence from Siphonosoma. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 5.5Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

1hr3, resolution 5.50Å

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