1ulc: Difference between revisions

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[[Image:1ulc.png|left|200px]]


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==CGL2 in complex with lactose==
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<StructureSection load='1ulc' size='340' side='right'caption='[[1ulc]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1ulc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Coprinopsis_cinerea Coprinopsis cinerea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ULC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ULC FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=PRD_900004:beta-lactose'>PRD_900004</scene></td></tr>
{{STRUCTURE_1ulc|  PDB=1ulc  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1ulc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ulc OCA], [https://pdbe.org/1ulc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ulc RCSB], [https://www.ebi.ac.uk/pdbsum/1ulc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ulc ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CGL2_COPCI CGL2_COPCI] Binds lactose. May play a role in fruiting body formation.<ref>PMID:8999822</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/ul/1ulc_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=1ulc ConSurf].
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== Publication Abstract from PubMed ==
Recognition of and discrimination between potential glyco-substrates is central to the function of galectins. Here we dissect the fundamental parameters responsible for such selectivity by the fungal representative, CGL2. The 2.1 A crystal structure of CGL2 and five substrate complexes reveal that this prototype galectin achieves increased substrate specificity by accommodating substituted oligosaccharides of the mammalian blood group A/B type in an extended binding cleft. Kinetic studies on wild-type and mutant CGL2 proteins demonstrate that the tetrameric organization is essential for functionality. The geometric constraints due to the orthogonal orientation of the four binding sites have important consequences on substrate binding and selectivity.


===CGL2 in complex with lactose===
Structure and functional analysis of the fungal galectin CGL2.,Walser PJ, Haebel PW, Kunzler M, Sargent D, Kues U, Aebi M, Ban N Structure. 2004 Apr;12(4):689-702. PMID:15062091<ref>PMID:15062091</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 1ulc" style="background-color:#fffaf0;"></div>


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==See Also==
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*[[Galectin 3D structures|Galectin 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 15062091 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_15062091}}
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</StructureSection>
==About this Structure==
1ULC is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Coprinopsis_cinerea Coprinopsis cinerea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ULC OCA].
 
==Reference==
Structure and functional analysis of the fungal galectin CGL2., Walser PJ, Haebel PW, Kunzler M, Sargent D, Kues U, Aebi M, Ban N, Structure. 2004 Apr;12(4):689-702. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15062091 15062091]
[[Category: Coprinopsis cinerea]]
[[Category: Coprinopsis cinerea]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Aebi, M.]]
[[Category: Aebi M]]
[[Category: Ban, N.]]
[[Category: Ban N]]
[[Category: Haebel, P W.]]
[[Category: Haebel PW]]
[[Category: Kuenzler, M.]]
[[Category: Kuenzler M]]
[[Category: Kues, U.]]
[[Category: Kues U]]
[[Category: Walser, P J.]]
[[Category: Walser PJ]]
[[Category: Beta-galactoside binding lectin]]
[[Category: Galectin]]
[[Category: Lectin]]
[[Category: Sugar binding]]
 
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