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4li2

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==Crystal Structures of Lgr4 and its complex with R-spondin1==
==Crystal Structures of Lgr4 and its complex with R-spondin1==
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<StructureSection load='4li2' size='340' side='right' caption='[[4li2]], [[Resolution|resolution]] 3.19&Aring;' scene=''>
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<StructureSection load='4li2' size='340' side='right'caption='[[4li2]], [[Resolution|resolution]] 3.19&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4li2]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Xenopus_(silurana)_tropicalis Xenopus (silurana) tropicalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4LI2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4LI2 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4li2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Xenopus_tropicalis Xenopus tropicalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4LI2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4LI2 FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4li1|4li1]]</td></tr>
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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]] 3.19&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">lgr4 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=8364 Xenopus (Silurana) tropicalis]), R-spondin1, RSPO1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</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=4li2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4li2 OCA], [https://pdbe.org/4li2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4li2 RCSB], [https://www.ebi.ac.uk/pdbsum/4li2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4li2 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4li2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4li2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4li2 RCSB], [http://www.ebi.ac.uk/pdbsum/4li2 PDBsum]</span></td></tr>
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</table>
</table>
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== Disease ==
 
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[[http://www.uniprot.org/uniprot/RSPO1_HUMAN RSPO1_HUMAN]] Palmoplantar keratoderma - XX sex reversal - predisposition to squamous cell carcinoma. Keratoderma, palmoplantar, with squamous cell carcinoma of skin and sex reversal (PKKSCC) [MIM:[http://omim.org/entry/610644 610644]]: A recessive syndrome characterized by XX (female to male) SRY-independent sex reversal, palmoplantar hyperkeratosis and predisposition to squamous cell carcinoma of the skin. Note=The disease is caused by mutations affecting the gene represented in this entry.
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/LGR4_XENTR LGR4_XENTR]] Receptor for R-spondins that potentiates the canonical Wnt signaling pathway and is involved in the formation of various organs. Upon binding to R-spondins (RSPO1, RSPO2, RSPO3 or RSPO4), associates with phosphorylated LRP6 and frizzled receptors that are activated by extracellular Wnt receptors, triggering the canonical Wnt signaling pathway to increase expression of target genes. In contrast to classical G-protein coupled receptors, does not activate heterotrimeric G-proteins to transduce the signal. Its function as activator of the Wnt signaling pathway is required for the development of various organs, including liver, kidney, intestine, bone, reproductive tract and eye. [[http://www.uniprot.org/uniprot/RSPO1_HUMAN RSPO1_HUMAN]] Activator of the beta-catenin signaling cascade, leading to TCF-dependent gene activation. Acts both in the canonical Wnt/beta-catenin-dependent pathway and in non-canonical Wnt signaling pathway, probably by acting as an inhibitor of ZNRF3, an important regulator of the Wnt signaling pathway. Acts as a ligand for frizzled FZD8 and LRP6. May negatively regulate the TGF-beta pathway. Has a essential roles in ovary determination.<ref>PMID:16109882</ref> <ref>PMID:22575959</ref>
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[https://www.uniprot.org/uniprot/LGR4_XENTR LGR4_XENTR] Receptor for R-spondins that potentiates the canonical Wnt signaling pathway and is involved in the formation of various organs. Upon binding to R-spondins (RSPO1, RSPO2, RSPO3 or RSPO4), associates with phosphorylated LRP6 and frizzled receptors that are activated by extracellular Wnt receptors, triggering the canonical Wnt signaling pathway to increase expression of target genes. In contrast to classical G-protein coupled receptors, does not activate heterotrimeric G-proteins to transduce the signal. Its function as activator of the Wnt signaling pathway is required for the development of various organs, including liver, kidney, intestine, bone, reproductive tract and eye.
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 4li2" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Rajashankar, K]]
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[[Category: Large Structures]]
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[[Category: Robev, D]]
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[[Category: Xenopus tropicalis]]
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[[Category: Xu, Y]]
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[[Category: Rajashankar K]]
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[[Category: Hormone receptor-signaling protein complex]]
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[[Category: Robev D]]
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[[Category: Lrr]]
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[[Category: Xu Y]]

Current revision

Crystal Structures of Lgr4 and its complex with R-spondin1

PDB ID 4li2

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