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1hul

From Proteopedia

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[[Image:1hul.gif|left|200px]]
 
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==A NOVEL DIMER CONFIGURATION REVEALED BY THE CRYSTAL STRUCTURE AT 2.4 ANGSTROMS RESOLUTION OF HUMAN INTERLEUKIN-5==
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The line below this paragraph, containing "STRUCTURE_1hul", creates the "Structure Box" on the page.
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<StructureSection load='1hul' size='340' side='right'caption='[[1hul]], [[Resolution|resolution]] 2.40&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'>[[1hul]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HUL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HUL FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.4&#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=1hul FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hul OCA], [https://pdbe.org/1hul PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hul RCSB], [https://www.ebi.ac.uk/pdbsum/1hul PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hul ProSAT]</span></td></tr>
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{{STRUCTURE_1hul| PDB=1hul | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/IL5_HUMAN IL5_HUMAN] Factor that induces terminal differentiation of late-developing B-cells to immunoglobulin secreting cells.
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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/hu/1hul_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/main_output.php?pdb_ID=1hul ConSurf].
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<div style="clear:both"></div>
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'''A NOVEL DIMER CONFIGURATION REVEALED BY THE CRYSTAL STRUCTURE AT 2.4 ANGSTROMS RESOLUTION OF HUMAN INTERLEUKIN-5'''
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==See Also==
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*[[Interleukin 3D structures|Interleukin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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Interleukin-5 (IL-5) is a lineage-specific cytokine for eosinophilpoiesis and plays an important part in diseases associated with increased eosinophils, such as asthma. Human IL-5 is a disulphide-linked homodimer with 115 amino-acid residues in each chain. The crystal structure at 2.4 A resolution reveals a novel two-domain structure, with each domain showing a striking similarity to the cytokine fold found in granulocyte macrophage and macrophage colony-stimulating factors, IL-2 (ref. 5), IL-4 (ref. 6), and human and porcine growth hormones. IL-5 is unique in that each domain requires the participation of two chains. The IL-5 structure consists of two left-handed bundles of four helices laid end to end and two short beta-sheets on opposite sides of the molecule. Surprisingly, the C-terminal strand and helix of one chain complete a bundle of four helices and a beta-sheet with the N-terminal three helices and one strand of the other chain. The structure of IL-5 provides a molecular basis for the design of antagonists and agonists that would delineate receptor recognition determinants critical in signal transduction. This structure determination extends the family of the cytokine bundle of four helices and emphasizes its fundamental significance and versatility in recognizing its receptor.
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==About this Structure==
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1HUL is a [[Single protein]] structure of 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=1HUL OCA].
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==Reference==
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A novel dimer configuration revealed by the crystal structure at 2.4 A resolution of human interleukin-5., Milburn MV, Hassell AM, Lambert MH, Jordan SR, Proudfoot AE, Graber P, Wells TN, Nature. 1993 May 13;363(6425):172-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8483502 8483502]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Milburn, M V.]]
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[[Category: Milburn MV]]
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[[Category: Cytokine]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:14:46 2008''
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Current revision

A NOVEL DIMER CONFIGURATION REVEALED BY THE CRYSTAL STRUCTURE AT 2.4 ANGSTROMS RESOLUTION OF HUMAN INTERLEUKIN-5

PDB ID 1hul

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