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==SOLUTION STRUCTURE OF THE HUMAN CC CHEMOKINE, I-309==
==SOLUTION STRUCTURE OF THE HUMAN CC CHEMOKINE, I-309==
<StructureSection load='1el0' size='340' side='right'caption='[[1el0]], [[NMR_Ensembles_of_Models | 30 NMR models]]' scene=''>
<StructureSection load='1el0' size='340' side='right'caption='[[1el0]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1el0]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EL0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EL0 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1el0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EL0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EL0 FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1el0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1el0 OCA], [https://pdbe.org/1el0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1el0 RCSB], [https://www.ebi.ac.uk/pdbsum/1el0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1el0 ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1el0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1el0 OCA], [https://pdbe.org/1el0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1el0 RCSB], [https://www.ebi.ac.uk/pdbsum/1el0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1el0 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/CCL1_HUMAN CCL1_HUMAN]] Cytokine that is chemotactic for monocytes but not for neutrophils. Binds to CCR8.<ref>PMID:1557400</ref>
[https://www.uniprot.org/uniprot/CCL1_HUMAN CCL1_HUMAN] Cytokine that is chemotactic for monocytes but not for neutrophils. Binds to CCR8.<ref>PMID:1557400</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1el0 ConSurf].
</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=1el0 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
I-309 is a member of the CC subclass of chemokines and is one of only three human chemokines known to contain an additional, third disulfide bond. The three-dimensional solution structure of I-309 was determined by (1)H nuclear magnetic resonance spectroscopy and dynamic simulated annealing. The structure of I-309, which remains monomeric at high concentrations, was determined on the basis of 978 experimental restraints. The N-terminal region of I-309 was disordered, as has been previously observed for the CC chemokine eotaxin but not others such as MCP-1 and RANTES. This was followed in I-309 by a well-ordered region between residues 13 and 69 that consisted of a 3(10)-helix, a triple-stranded antiparallel beta-sheet, and finally a C-terminal alpha-helix. Root-mean-square deviations of 0.61 and 1.16 were observed for the backbone and heavy atoms, respectively. A comparison of I-309 to eotaxin and HCC-2 revealed a significant structural change in the C-terminal region of the protein. The alpha-helix normally present in chemokines was terminated early and was followed by a short section of extended strand. These changes were a direct result of the additional disulfide bond present in this protein. An examination of the I-309 structure will aid in an understanding of the specificity of this protein with its receptor, CCR8.
Human CC chemokine I-309, structural consequences of the additional disulfide bond.,Keizer DW, Crump MP, Lee TW, Slupsky CM, Clark-Lewis I, Sykes BD Biochemistry. 2000 May 23;39(20):6053-9. PMID:10821677<ref>PMID:10821677</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1el0" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Clark-Lewis, I]]
[[Category: Clark-Lewis I]]
[[Category: Crump, M P]]
[[Category: Crump MP]]
[[Category: Keizer, D W]]
[[Category: Keizer DW]]
[[Category: Lee, T W]]
[[Category: Lee TW]]
[[Category: Slupsky, C M]]
[[Category: Slupsky CM]]
[[Category: Sykes, B D]]
[[Category: Sykes BD]]
[[Category: Chemokine fold]]
[[Category: Immune system]]

Latest revision as of 13:03, 20 March 2024

SOLUTION STRUCTURE OF THE HUMAN CC CHEMOKINE, I-309SOLUTION STRUCTURE OF THE HUMAN CC CHEMOKINE, I-309

Structural highlights

1el0 is a 1 chain structure with sequence from Homo sapiens. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CCL1_HUMAN Cytokine that is chemotactic for monocytes but not for neutrophils. Binds to CCR8.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. ↑ Miller MD, Krangel MS. The human cytokine I-309 is a monocyte chemoattractant. Proc Natl Acad Sci U S A. 1992 Apr 1;89(7):2950-4. PMID:1557400
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