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{{STRUCTURE_1lcs|  PDB=1lcs  |  SCENE=  }}
==RECEPTOR-BINDING DOMAIN FROM SUBGROUP B FELINE LEUKEMIA VIRUS==
===RECEPTOR-BINDING DOMAIN FROM SUBGROUP B FELINE LEUKEMIA VIRUS===
<StructureSection load='1lcs' size='340' side='right' caption='[[1lcs]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
{{ABSTRACT_PUBMED_12552012}}
== Structural highlights ==
<table><tr><td colspan='2'>[[1lcs]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Feline_leukemia_virus Feline leukemia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LCS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1LCS FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=TOE:2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXYL'>TOE</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NDG:2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE'>NDG</scene><br>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1aol|1aol]]</td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ENV ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=11768 Feline leukemia virus])</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=1lcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lcs OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1lcs RCSB], [http://www.ebi.ac.uk/pdbsum/1lcs PDBsum]</span></td></tr>
<table>
== 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/lc/1lcs_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/chain_selection.php?pdb_ID=2ata ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Infection of T lymphocytes by the cytopathic retrovirus feline leukemia virus subgroup T (FeLV-T) requires FeLIX, a cellular coreceptor that is encoded by an endogenous provirus and closely resembles the receptor-binding domain (RBD) of feline leukemia virus subgroup B (FeLV-B). We determined the structure of FeLV-B RBD, which has FeLIX activity, to a 2.5-A resolution by X-ray crystallography. The structure of the receptor-specific subdomain of this glycoprotein differs dramatically from that of Friend murine leukemia virus (Fr-MLV), which binds a different cell surface receptor. Remarkably, we find that Fr-MLV RBD also activates FeLV-T infection of cells expressing the Fr-MLV receptor and that FeLV-B RBD is a competitive inhibitor of infection under these conditions. These studies suggest that FeLV-T infection relies on the following property of mammalian leukemia virus RBDs: the ability to couple interaction with one of a variety of receptors to the activation of a conserved membrane fusion mechanism. A comparison of the FeLV-B and Fr-MLV RBD structures illustrates how receptor-specific regions are linked to conserved elements critical for postbinding events in virus entry.


==About this Structure==
Structure and mechanism of a coreceptor for infection by a pathogenic feline retrovirus.,Barnett AL, Wensel DL, Li W, Fass D, Cunningham JM J Virol. 2003 Feb;77(4):2717-29. PMID:12552012<ref>PMID:12552012</ref>
[[1lcs]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Feline_leukemia_virus Feline leukemia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LCS OCA].


==Reference==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
<ref group="xtra">PMID:012552012</ref><references group="xtra"/><references/>
</div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Feline leukemia virus]]
[[Category: Feline leukemia virus]]
[[Category: Barnett, A L.]]
[[Category: Barnett, A L.]]
Retrieved from "https://proteopedia.org/1lcs"