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[[Image:2zhm.png|left|200px]]


{{STRUCTURE_2zhm|  PDB=2zhm  |  SCENE=  }}
==Crystal structure of human galectin-9 N-terminal CRD in complex with N-acetyllactosamine trimer (crystal 1)==
 
<StructureSection load='2zhm' size='340' side='right'caption='[[2zhm]], [[Resolution|resolution]] 1.84&Aring;' scene=''>
===Crystal structure of human galectin-9 N-terminal CRD in complex with N-acetyllactosamine trimer (crystal 1)===
== Structural highlights ==
 
<table><tr><td colspan='2'>[[2zhm]] is a 4 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=2ZHM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZHM FirstGlance]. <br>
{{ABSTRACT_PUBMED_18977853}}
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.84&#8491;</td></tr>
 
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=RPN:(R)-1-PARA-NITRO-PHENYL-2-AZIDO-ETHANOL'>RPN</scene></td></tr>
==About this Structure==
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2zhm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zhm OCA], [https://pdbe.org/2zhm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zhm RCSB], [https://www.ebi.ac.uk/pdbsum/2zhm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zhm ProSAT]</span></td></tr>
[[2zhm]] is a 4 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=2ZHM OCA].  
</table>
== Function ==
[https://www.uniprot.org/uniprot/LEG9_HUMAN LEG9_HUMAN] Binds galactosides. Has high affinity for the Forssman pentasaccharide. May play a role in thymocyte-epithelial interactions relevant to the biology of the thymus. Inhibits cell proliferation. It is a ligand for HAVCR2/TIM3. Induces T-helper type 1 lymphocyte (Th1) death. Isoform Short acts as an eosinophil chemoattractant.<ref>PMID:16286920</ref> <ref>PMID:18005988</ref> <ref>PMID:18977853</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zh/2zhm_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=2zhm ConSurf].
<div style="clear:both"></div>


==See Also==
==See Also==
*[[Galectin|Galectin]]
*[[Galectin 3D structures|Galectin 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:018977853</ref><references group="xtra"/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Kato, R.]]
[[Category: Large Structures]]
[[Category: Murata, T.]]
[[Category: Kato R]]
[[Category: Nagae, M.]]
[[Category: Murata T]]
[[Category: Nakamura, T.]]
[[Category: Nagae M]]
[[Category: Nishi, N.]]
[[Category: Nakamura T]]
[[Category: Usui, T.]]
[[Category: Nishi N]]
[[Category: Wakatsuki, S.]]
[[Category: Usui T]]
[[Category: Beta sandwich]]
[[Category: Wakatsuki S]]
[[Category: Carbohydrate binding protein]]
[[Category: Galectin]]
[[Category: Sugar binding protein]]

Latest revision as of 16:57, 13 March 2024

Crystal structure of human galectin-9 N-terminal CRD in complex with N-acetyllactosamine trimer (crystal 1)Crystal structure of human galectin-9 N-terminal CRD in complex with N-acetyllactosamine trimer (crystal 1)

Structural highlights

2zhm is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.84Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

LEG9_HUMAN Binds galactosides. Has high affinity for the Forssman pentasaccharide. May play a role in thymocyte-epithelial interactions relevant to the biology of the thymus. Inhibits cell proliferation. It is a ligand for HAVCR2/TIM3. Induces T-helper type 1 lymphocyte (Th1) death. Isoform Short acts as an eosinophil chemoattractant.[1] [2] [3]

Evolutionary Conservation

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

See Also

References

  1. ↑ Zhu C, Anderson AC, Schubart A, Xiong H, Imitola J, Khoury SJ, Zheng XX, Strom TB, Kuchroo VK. The Tim-3 ligand galectin-9 negatively regulates T helper type 1 immunity. Nat Immunol. 2005 Dec;6(12):1245-52. Epub 2005 Nov 13. PMID:16286920 doi:http://dx.doi.org/10.1038/ni1271
  2. ↑ Nagae M, Nishi N, Nakamura-Tsuruta S, Hirabayashi J, Wakatsuki S, Kato R. Structural analysis of the human galectin-9 N-terminal carbohydrate recognition domain reveals unexpected properties that differ from the mouse orthologue. J Mol Biol. 2008 Jan 4;375(1):119-35. Epub 2007 Sep 26. PMID:18005988 doi:S0022-2836(07)01208-9
  3. ↑ Nagae M, Nishi N, Murata T, Usui T, Nakamura T, Wakatsuki S, Kato R. Structural analysis of the recognition mechanism of poly-N-acetyllactosamine by the human galectin-9 N-terminal carbohydrate recognition domain. Glycobiology. 2009 Feb;19(2):112-7. Epub 2008 Oct 31. PMID:18977853 doi:cwn121

2zhm, resolution 1.84Å

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