4bsr

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Current revision (17:05, 7 September 2022) (edit) (undo)
 
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<StructureSection load='4bsr' size='340' side='right'caption='[[4bsr]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
<StructureSection load='4bsr' size='340' side='right'caption='[[4bsr]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4bsr]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BSR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4BSR FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4bsr]] 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=4BSR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BSR FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4bso|4bso]], [[4bsp|4bsp]], [[4bss|4bss]], [[4bst|4bst]], [[4bsu|4bsu]]</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=4bsr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bsr OCA], [https://pdbe.org/4bsr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bsr RCSB], [https://www.ebi.ac.uk/pdbsum/4bsr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bsr 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=4bsr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bsr OCA], [http://pdbe.org/4bsr PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4bsr RCSB], [http://www.ebi.ac.uk/pdbsum/4bsr PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4bsr ProSAT]</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/LGR5_HUMAN LGR5_HUMAN]] Orphan receptor. Stem cell marker of the intestinal epithelium and the hair follicle. Target gene of Wnt signaling. [[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/LGR5_HUMAN LGR5_HUMAN]] Orphan receptor. Stem cell marker of the intestinal epithelium and the hair follicle. Target gene of Wnt signaling.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Leucine-rich repeat-containing G protein-coupled receptors 4-6 (LGR4-LGR6) are receptors for R-spondins, potent Wnt agonists that exert profound trophic effects on Wnt-driven stem cells compartments. We present crystal structures of a signaling-competent fragment of R-spondin 1 (Rspo1) at a resolution of 2.0 A and its complex with the LGR5 ectodomain at a resolution of 3.2 A. Ecto-LGR5 binds Rspo1 at its concave leucine-rich-repeat (LRR) surface, forming a dimeric 2:2 complex. Fully conserved residues on LGR4-LGR6 explain promiscuous binding of R-spondins. A phenylalanine clamp formed by Rspo1 Phe106 and Phe110 pinches Ala190 of LGR5 and is critical for binding. Mutations related to congenital anonychia reduce signaling, but not binding of Rspo1 to LGR5. Furthermore, antibody binding to the extended loop of the C-terminal LRR cap of LGR5 activates signaling in a ligand-independent manner. Thus, our data reveal binding of R-spondins to conserved sites on LGR4-LGR6 and, in analogy to FSHR and related receptors, suggest a direct signaling role for LGR4-LGR6 in addition to its formation of Wnt receptor and coreceptor complexes.
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Structure of Stem Cell Growth Factor R-spondin 1 in Complex with the Ectodomain of Its Receptor LGR5.,Peng WC, de Lau W, Forneris F, Granneman JC, Huch M, Clevers H, Gros P Cell Rep. 2013 Jun 27;3(6):1885-92. doi: 10.1016/j.celrep.2013.06.009. PMID:23809763<ref>PMID:23809763</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 4bsr" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Clevers, H]]
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[[Category: Clevers H]]
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[[Category: Forneris, F]]
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[[Category: Forneris F]]
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[[Category: Granneman, J C.M]]
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[[Category: Granneman JCM]]
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[[Category: Gros, P]]
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[[Category: Gros P]]
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[[Category: Huch, M]]
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[[Category: Huch M]]
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[[Category: Lau, W de]]
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[[Category: Peng WC]]
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[[Category: Peng, W C]]
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[[Category: De Lau W]]
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[[Category: Adult stem cell]]
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[[Category: Congenital anonychia]]
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[[Category: Furin domain]]
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[[Category: Leucine-rich repeat]]
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[[Category: Leucine-rich repeat g-protein coupled receptor]]
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[[Category: Signaling protein]]
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[[Category: Wnt signaling]]
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Current revision

Structure of the ectodomain of LGR5 in complex with R-spondin-1 (Fu1Fu2) in P22121 crystal form

PDB ID 4bsr

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OCA

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