1qk7

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[[Image:1qk7.png|left|200px]]
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==SOLUTION STRUCTURE OF SELENOCOSMIA HUWENA LECTIN-I(SHL-I) BY 2D-NMR==
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<StructureSection load='1qk7' size='340' side='right' caption='[[1qk7]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1qk7]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Haplopelma_schmidti Haplopelma schmidti]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK7 FirstGlance]. <br>
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</td></tr><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=1qk7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1qk7 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk7 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 three-dimensional structure of native SHL-I, a lectin from the venom of the Chinese bird spider Selenocosmia huwena, has been determined from two-dimensional 1H NMR spectroscopy recorded at 500 and 600 MHz. The best 10 structures have NOE violation &lt;0.3 A, dihedral violation &lt;2 deg, and average root-mean-square differences of 0.85 + 0.06 A over backbone atoms. The structure consists of a three-stranded antiparallel beta-sheet and three turns. The three disulfide bridges and three-stranded antiparallel beta-sheet form a inhibitor cystine knot motif which is adopted by several other small proteins, such as huwentoxin-I, omega-conotoxin, and gurmarin. The C-terminal fragment from Leu28 to Trp32 adopts two sets of conformations corresponding to the cis and trans conformations of Pro31. The structure of SHL-I also has high similarity with that of the N-terminus of hevein, a lectin from rubber-tree latex.
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{{STRUCTURE_1qk7| PDB=1qk7 | SCENE= }}
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Three-dimensional structure of Selenocosmia huwena lectin-I (SHL-I) from the venom of the spider Selenocosmia huwena by 2D-NMR.,Lu S, Liang S, Gu X J Protein Chem. 1999 Jul;18(5):609-17. PMID:10524779<ref>PMID:10524779</ref>
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===SOLUTION STRUCTURE OF SELENOCOSMIA HUWENA LECTIN-I(SHL-I) BY 2D-NMR===
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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_10524779}}
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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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[[1qk7]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Haplopelma_schmidti Haplopelma schmidti]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK7 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:010524779</ref><references group="xtra"/>
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[[Category: Haplopelma schmidti]]
[[Category: Haplopelma schmidti]]
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[[Category: Gu, X.]]
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[[Category: Gu, X]]
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[[Category: Liang, S.]]
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[[Category: Liang, S]]
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[[Category: Lu, S.]]
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[[Category: Lu, S]]
[[Category: Cystine knot]]
[[Category: Cystine knot]]
[[Category: Lectin]]
[[Category: Lectin]]
[[Category: Selenocosmia huwena]]
[[Category: Selenocosmia huwena]]
[[Category: Shl-i]]
[[Category: Shl-i]]

Revision as of 05:09, 22 December 2014

SOLUTION STRUCTURE OF SELENOCOSMIA HUWENA LECTIN-I(SHL-I) BY 2D-NMR

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