2gb1

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[[Image:2gb1.png|left|200px]]
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==A NOVEL, HIGHLY STABLE FOLD OF THE IMMUNOGLOBULIN BINDING DOMAIN OF STREPTOCOCCAL PROTEIN G==
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<StructureSection load='2gb1' size='340' side='right' caption='[[2gb1]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2gb1]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_sp._'group_g' Streptococcus sp. 'group g']. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GB1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2GB1 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1gb1|1gb1]]</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=2gb1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gb1 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2gb1 RCSB], [http://www.ebi.ac.uk/pdbsum/2gb1 PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gb/2gb1_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The high-resolution three-dimensional structure of a single immunoglobulin binding domain (B1, which comprises 56 residues including the NH2-terminal Met) of protein G from group G Streptococcus has been determined in solution by nuclear magnetic resonance spectroscopy on the basis of 1058 experimental restraints. The average atomic root-mean-square distribution about the mean coordinate positions is 0.27 angstrom (A) for the backbone atoms, 0.65 A for all atoms, and 0.39 A for atoms excluding disordered surface side chains. The structure has no disulfide bridges and is composed of a four-stranded beta sheet, on top of which lies a long helix. The central two strands (beta 1 and beta 4), comprising the NH2- and COOH-termini, are parallel, and the outer two strands (beta 2 and beta 3) are connected by the helix in a +3x crossover. This novel topology (-1, +3x, -1), coupled with an extensive hydrogen-bonding network and a tightly packed and buried hydrophobic core, is probably responsible for the extreme thermal stability of this small domain (reversible melting at 87 degrees C).
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{{STRUCTURE_2gb1| PDB=2gb1 | SCENE= }}
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A novel, highly stable fold of the immunoglobulin binding domain of streptococcal protein G.,Gronenborn AM, Filpula DR, Essig NZ, Achari A, Whitlow M, Wingfield PT, Clore GM Science. 1991 Aug 9;253(5020):657-61. PMID:1871600<ref>PMID:1871600</ref>
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===A NOVEL, HIGHLY STABLE FOLD OF THE IMMUNOGLOBULIN BINDING DOMAIN OF STREPTOCOCCAL PROTEIN G===
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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_1871600}}
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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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[[2gb1]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_sp._'group_g' Streptococcus sp. 'group g']. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GB1 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:001871600</ref><references group="xtra"/>
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[[Category: Streptococcus sp. 'group g']]
[[Category: Streptococcus sp. 'group g']]
[[Category: Clore, G M.]]
[[Category: Clore, G M.]]
[[Category: Gronenborn, A M.]]
[[Category: Gronenborn, A M.]]
[[Category: Immunoglobulin binding protein]]
[[Category: Immunoglobulin binding protein]]

Revision as of 07:46, 30 September 2014

A NOVEL, HIGHLY STABLE FOLD OF THE IMMUNOGLOBULIN BINDING DOMAIN OF STREPTOCOCCAL PROTEIN G

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