1c89

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[[Image:1c89.png|left|200px]]
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==NMR STRUCTURE OF INTRAMOLECULAR DIMER ANTIFREEZE PROTEIN RD3, 40 SA STRUCTURES==
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<StructureSection load='1c89' size='340' side='right' caption='[[1c89]], [[NMR_Ensembles_of_Models | 40 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1c89]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pachycara_brachycephalum Pachycara brachycephalum]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1C89 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1C89 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1c8a|1c8a]]</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=1c89 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1c89 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1c89 RCSB], [http://www.ebi.ac.uk/pdbsum/1c89 PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The structure of a new antifreeze protein (AFP) variant, RD3, from antarctic eel pout (Rhigophila dearborni) with enhanced activity has been determined for the first time by nuclear magnetic resonance spectroscopy. RD3 comprises a unique translational topology of two homologous type III AFP globular domains, each containing one flat, ice binding plane. The ice binding plane of the N domain is located approximately 3.5 A "behind" that of the C domain. The two ice binding planes are located laterally with an angle of 32 +/- 12 degrees between the planes. These results suggest that the C domain plane of RD3 binds first to the ice [1010] prism plane in the &lt;0001&gt; direction, which induces successive ice binding of the N domain in the &lt;0101&gt; direction. This manner of ice binding caused by the unique structural topology of RD3 is thought to be crucial for the significant enhancement of antifreeze activity, especially at low AFP concentrations.
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{{STRUCTURE_1c89| PDB=1c89 | SCENE= }}
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NMR analysis of type III antifreeze protein intramolecular dimer. Structural basis for enhanced activity.,Miura K, Ohgiya S, Hoshino T, Nemoto N, Suetake T, Miura A, Spyracopoulos L, Kondo H, Tsuda S J Biol Chem. 2001 Jan 12;276(2):1304-10. PMID:11010977<ref>PMID:11010977</ref>
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===NMR STRUCTURE OF INTRAMOLECULAR DIMER ANTIFREEZE PROTEIN RD3, 40 SA STRUCTURES===
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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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{{ABSTRACT_PUBMED_11010977}}
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==About this Structure==
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[[1c89]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pachycara_brachycephalum Pachycara brachycephalum]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1C89 OCA].
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==See Also==
==See Also==
*[[Antifreeze protein|Antifreeze protein]]
*[[Antifreeze protein|Antifreeze protein]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:011010977</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Pachycara brachycephalum]]
[[Category: Pachycara brachycephalum]]
[[Category: Miura, K.]]
[[Category: Miura, K.]]

Revision as of 17:02, 20 August 2014

NMR STRUCTURE OF INTRAMOLECULAR DIMER ANTIFREEZE PROTEIN RD3, 40 SA STRUCTURES

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