1dg2

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[[Image:1dg2.png|left|200px]]
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==SOLUTION CONFORMATION OF A-CONOTOXIN AUIB==
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<StructureSection load='1dg2' size='340' side='right' caption='[[1dg2]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dg2]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Conus_aulicus Conus aulicus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DG2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DG2 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene></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=1dg2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dg2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dg2 RCSB], [http://www.ebi.ac.uk/pdbsum/1dg2 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 neuronal nicotinic acetylcholine receptors constitute a highly diverse group, with subtypes consisting of pentameric combinations of alpha and beta subunits. alpha-Conotoxins are a homologous series of small peptides that antagonize these receptors. We present the three-dimensional solution structure of alpha-conotoxin AuIB, the first 15-residue alpha-conotoxin known to selectively block the alpha(3)beta(4) nicotinic acetylcholine receptor subtype. The pairwise backbone and heavy-atom root mean square deviation for an ensemble of 20 structures are 0.269 and 0.720 A, respectively. The overall fold of alpha-conotoxin AuIB closely resembles that of the alpha4/7 subfamily alpha-conotoxins. However, the absence of Tyr(15), normally present in other alpha4/7 members, results in tight bending of the backbone at the C terminus and effectively renders Asp(14) to assume the spatial location of Tyr(15) present in other neuronal alpha4/7 alpha-conotoxins. Structural comparison of alpha-conotoxin AuIB with the alpha(3)beta(2) subtype-specific alpha-conotoxin MII shows different electrostatic surface charge distributions, which may be important in differential receptor subtype recognition.
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{{STRUCTURE_1dg2| PDB=1dg2 | SCENE= }}
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Nuclear magnetic resonance solution conformation of alpha-conotoxin AuIB, an alpha(3)beta(4) subtype-selective neuronal nicotinic acetylcholine receptor antagonist.,Cho JH, Mok KH, Olivera BM, McIntosh JM, Park KH, Han KH J Biol Chem. 2000 Mar 24;275(12):8680-5. PMID:10722709<ref>PMID:10722709</ref>
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===SOLUTION CONFORMATION OF A-CONOTOXIN AUIB===
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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_10722709}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1dg2]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Conus_aulicus Conus aulicus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DG2 OCA].
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</StructureSection>
[[Category: Conus aulicus]]
[[Category: Conus aulicus]]
[[Category: Cho, J H.]]
[[Category: Cho, J H.]]

Revision as of 06:33, 4 September 2014

SOLUTION CONFORMATION OF A-CONOTOXIN AUIB

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