8ctg: Difference between revisions

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'''Unreleased structure'''


The entry 8ctg is ON HOLD  until 2024-05-14
==Extracellular architecture of an engineered canonical Wnt signaling ternary complex==
 
<StructureSection load='8ctg' size='340' side='right'caption='[[8ctg]], [[Resolution|resolution]] 3.80&Aring;' scene=''>
Authors:  
== Structural highlights ==
 
<table><tr><td colspan='2'>[[8ctg]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens], [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Xenopus_laevis Xenopus laevis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8CTG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8CTG FirstGlance]. <br>
Description:  
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PAM:PALMITOLEIC+ACID'>PAM</scene></td></tr>
[[Category: Unreleased Structures]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=8ctg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ctg OCA], [https://pdbe.org/8ctg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ctg RCSB], [https://www.ebi.ac.uk/pdbsum/8ctg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ctg ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/FZD8_MOUSE FZD8_MOUSE] Receptor for Wnt proteins. Component of the Wnt-Fzd-LRP5-LRP6 complex that triggers beta-catenin signaling through inducing aggregation of receptor-ligand complexes into ribosome-sized signalsomes (By similarity). The beta-catenin canonical signaling pathway leads to the activation of disheveled proteins, inhibition of GSK-3 kinase, nuclear accumulation of beta-catenin and activation of Wnt target genes. A second signaling pathway involving PKC and calcium fluxes has been seen for some family members, but it is not yet clear if it represents a distinct pathway or if it can be integrated in the canonical pathway, as PKC seems to be required for Wnt-mediated inactivation of GSK-3 kinase. Both pathways seem to involve interactions with G-proteins. May be involved in transduction and intercellular transmission of polarity information during tissue morphogenesis and/or in differentiated tissues. Coreceptor along with RYK of Wnt proteins, such as WNT1.<ref>PMID:10395542</ref> <ref>PMID:10097073</ref> <ref>PMID:15454084</ref> <ref>PMID:16543246</ref>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Xenopus laevis]]
[[Category: Garcia KC]]
[[Category: Jude KM]]
[[Category: Tsutsumi N]]

Latest revision as of 12:51, 15 March 2023

Extracellular architecture of an engineered canonical Wnt signaling ternary complexExtracellular architecture of an engineered canonical Wnt signaling ternary complex

Structural highlights

8ctg is a 3 chain structure with sequence from Homo sapiens, Mus musculus and Xenopus laevis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

FZD8_MOUSE Receptor for Wnt proteins. Component of the Wnt-Fzd-LRP5-LRP6 complex that triggers beta-catenin signaling through inducing aggregation of receptor-ligand complexes into ribosome-sized signalsomes (By similarity). The beta-catenin canonical signaling pathway leads to the activation of disheveled proteins, inhibition of GSK-3 kinase, nuclear accumulation of beta-catenin and activation of Wnt target genes. A second signaling pathway involving PKC and calcium fluxes has been seen for some family members, but it is not yet clear if it represents a distinct pathway or if it can be integrated in the canonical pathway, as PKC seems to be required for Wnt-mediated inactivation of GSK-3 kinase. Both pathways seem to involve interactions with G-proteins. May be involved in transduction and intercellular transmission of polarity information during tissue morphogenesis and/or in differentiated tissues. Coreceptor along with RYK of Wnt proteins, such as WNT1.[1] [2] [3] [4]

References

  1. ↑ Sheldahl LC, Park M, Malbon CC, Moon RT. Protein kinase C is differentially stimulated by Wnt and Frizzled homologs in a G-protein-dependent manner. Curr Biol. 1999 Jul 1;9(13):695-8. PMID:10395542
  2. ↑ Hsieh JC, Rattner A, Smallwood PM, Nathans J. Biochemical characterization of Wnt-frizzled interactions using a soluble, biologically active vertebrate Wnt protein. Proc Natl Acad Sci U S A. 1999 Mar 30;96(7):3546-51. PMID:10097073
  3. ↑ Lu W, Yamamoto V, Ortega B, Baltimore D. Mammalian Ryk is a Wnt coreceptor required for stimulation of neurite outgrowth. Cell. 2004 Oct 1;119(1):97-108. PMID:15454084 doi:10.1016/j.cell.2004.09.019
  4. ↑ Nam JS, Turcotte TJ, Smith PF, Choi S, Yoon JK. Mouse cristin/R-spondin family proteins are novel ligands for the Frizzled 8 and LRP6 receptors and activate beta-catenin-dependent gene expression. J Biol Chem. 2006 May 12;281(19):13247-57. Epub 2006 Mar 16. PMID:16543246 doi:10.1074/jbc.M508324200

8ctg, resolution 3.80Å

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OCA
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