2qt4

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{{Seed}}
 
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[[Image:2qt4.png|left|200px]]
 
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==Atomic-resolution crystal structure of the natural form of Scytovirin==
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The line below this paragraph, containing "STRUCTURE_2qt4", creates the "Structure Box" on the page.
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<StructureSection load='2qt4' size='340' side='right'caption='[[2qt4]], [[Resolution|resolution]] 1.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2qt4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Scytonema_varium Scytonema varium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QT4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QT4 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.3&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2qt4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qt4 OCA], [https://pdbe.org/2qt4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qt4 RCSB], [https://www.ebi.ac.uk/pdbsum/2qt4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qt4 ProSAT]</span></td></tr>
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{{STRUCTURE_2qt4| PDB=2qt4 | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SVN_SCYVA SVN_SCYVA] Has strong anti-HIV activity against T-tropic strains of HIV-1 and weaker activity against M-tropic strains of HIV-1. Inhibits HIV-1 fusion and infection of CD4 LTR beta-gal cells in vitro. Inhibits fusion of HIV infected CEM-SS cells with uninfected CEM-SS cells, and fusion of HIV-1 Env expressing HL2/3 cells with CD4 LTR beta-gal cells. Binds to HIV gp120, HIV gp160 and to a lesser extent HIV gp41. Binding to HIV gp120 is glycosylation dependent. Binds with high specificity to the tetrasaccharide Man-alpha-1,2-Man-alpha-1,6-Man-alpha-1,6-Man and also binds the higher-order oligosaccharides oligomannose 8 and oligomannose 9. Does not bind to monosaccharides, complex or hybrid N-linked oligosaccharides or chitin.<ref>PMID:12614152</ref> <ref>PMID:16647158</ref> <ref>PMID:17269926</ref> <ref>PMID:17434526</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The crystal structures of the natural and recombinant antiviral lectin scytovirin (SVN) were solved by single-wavelength anomalous scattering and refined with data extending to 1.3 A and 1.0 A resolution, respectively. A molecule of SVN consists of a single chain 95 amino acids long, with an almost perfect sequence repeat that creates two very similar domains (RMS deviation 0.25 A for 40 pairs of Calpha atoms). The crystal structure differs significantly from a previously published NMR structure of the same protein, with the RMS deviations calculated separately for the N- and C-terminal domains of 5.3 A and 3.7 A, respectively, and a very different relationship between the two domains. In addition, the disulfide bonding pattern of the crystal structures differs from that described in the previously published mass spectrometry and NMR studies.
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===Atomic-resolution crystal structure of the natural form of Scytovirin===
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Atomic-resolution crystal structure of the antiviral lectin scytovirin.,Moulaei T, Botos I, Ziolkowska NE, Bokesch HR, Krumpe LR, McKee TC, O'Keefe BR, Dauter Z, Wlodawer A Protein Sci. 2007 Dec;16(12):2756-60. Epub 2007 Oct 26. PMID:17965185<ref>PMID:17965185</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 2qt4" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 17965185 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17965185}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QT4 OCA].
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[[Category: Scytonema varium]]
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[[Category: Botos I]]
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==Reference==
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[[Category: Dauter Z]]
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Atomic-resolution crystal structure of the antiviral lectin scytovirin., Moulaei T, Botos I, Ziolkowska NE, Bokesch HR, Krumpe LR, McKee TC, O'Keefe BR, Dauter Z, Wlodawer A, Protein Sci. 2007 Dec;16(12):2756-60. Epub 2007 Oct 26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17965185 17965185]
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[[Category: Moulaei T]]
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[[Category: Botos, I.]]
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[[Category: Wlodawer A]]
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[[Category: Dauter, Z.]]
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[[Category: Ziolkowska NE]]
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[[Category: Moulaei, T.]]
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[[Category: Wlodawer, A.]]
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[[Category: Ziolkowska, N E.]]
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[[Category: Lectin]]
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[[Category: Sugar binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 12:52:51 2008''
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Current revision

Atomic-resolution crystal structure of the natural form of Scytovirin

PDB ID 2qt4

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