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2i1b

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[[Image:2i1b.png|left|200px]]
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==CRYSTALLOGRAPHIC REFINEMENT OF INTERLEUKIN-1 BETA AT 2.0 ANGSTROMS RESOLUTION==
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<StructureSection load='2i1b' size='340' side='right' caption='[[2i1b]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2i1b]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I1B OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I1B FirstGlance]. <br>
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</td></tr><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=2i1b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i1b OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2i1b RCSB], [http://www.ebi.ac.uk/pdbsum/2i1b 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/i1/2i1b_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 structure of human recombinant interleukin 1 beta (IL-1 beta) has been refined by a restrained least-squares method to a crystallographic R factor of 17.2% to 2.0 A resolution. One-hundred sixty-eight solvent molecules have been located, and isotropic temperature factors for each atom have been refined. The overall structure is composed of 12 beta-strands that can best be described as forming the four triangular faces of a tetrahedron with hydrogen bonding resembling normal antiparallel beta-sheets only at the vertices. The interior of this tetrahedron is filled by hydrophobic side chains. Analysis of sequence alignments with IL-1 beta from other mammalian species shows the interior to be very well conserved with the exterior residues markedly less so. There does not appear to be a clustering of invariant amino acid side chains on the surface of the molecule, suggesting an area of interaction with the IL-1 receptor. Comparison of the IL-1 beta structure with IL-1 alpha sequences indicates that IL-1 alpha probably has a similar overall folding as IL-1 beta but binds to the receptor in a different fashion. The three-dimensional structure of the IL-1 beta is analyzed in light of what has been suggested by previously published work on mutants and fragments of the molecule.
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{{STRUCTURE_2i1b| PDB=2i1b | SCENE= }}
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Crystallographic refinement of interleukin 1 beta at 2.0 A resolution.,Priestle JP, Schar HP, Grutter MG Proc Natl Acad Sci U S A. 1989 Dec;86(24):9667-71. PMID:2602367<ref>PMID:2602367</ref>
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===CRYSTALLOGRAPHIC REFINEMENT OF INTERLEUKIN-1 BETA AT 2.0 ANGSTROMS RESOLUTION===
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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_2602367}}
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==About this Structure==
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[[2i1b]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I1B OCA].
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==See Also==
==See Also==
*[[Interleukin|Interleukin]]
*[[Interleukin|Interleukin]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:002602367</ref><ref group="xtra">PMID:014528293</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Gruetter, M G.]]
[[Category: Gruetter, M G.]]

Revision as of 04:18, 29 September 2014

CRYSTALLOGRAPHIC REFINEMENT OF INTERLEUKIN-1 BETA AT 2.0 ANGSTROMS RESOLUTION

2i1b, resolution 2.00Å

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