4c9r

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{{STRUCTURE_4c9r| PDB=4c9r | SCENE= }}
{{STRUCTURE_4c9r| PDB=4c9r | SCENE= }}
===Xenopus ZNRF3 ectodomain in complex with Xenopus RSPO2 Fu1-Fu2 crystal form I===
===Xenopus ZNRF3 ectodomain in complex with Xenopus RSPO2 Fu1-Fu2 crystal form I===
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{{ABSTRACT_PUBMED_24225776}}
==Function==
==Function==
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==About this Structure==
==About this Structure==
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[[4c9r]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C9R OCA].
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[[4c9r]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Silurana_(xenopus)_tropicalis Silurana (xenopus) tropicalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C9R OCA].
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==Reference==
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<ref group="xtra">PMID:024225776</ref><references group="xtra"/><references/>
[[Category: Jones, E Y.]]
[[Category: Jones, E Y.]]
[[Category: Zebisch, M.]]
[[Category: Zebisch, M.]]

Revision as of 08:56, 27 November 2013

Template:STRUCTURE 4c9r

Contents

Xenopus ZNRF3 ectodomain in complex with Xenopus RSPO2 Fu1-Fu2 crystal form I

Template:ABSTRACT PUBMED 24225776

Function

[ZNRF3_XENTR] E3 ubiquitin-protein ligase that acts as a negative regulator of the Wnt signaling pathway by mediating the ubiquitination and subsequent degradation of Wnt receptor complex components (By similarity). [RSPO2_XENTR] Activator of the canonical Wnt signaling pathway by acting as a ligand for lgr4-6 receptors. Upon binding to lgr4-6 (lgr4, lgr5 or lgr6), lgr4-6 associate 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. Acts both in the canonical. Wnt/beta-catenin-dependent pathway and in non-canonical Wnt signaling pathway. Activates neural markers and promotes muscle formation. Overexpression blocks activin, nodal and BMP4 signaling, suggesting that it may negatively regulate the TGF-beta pathway (By similarity).

About this Structure

4c9r is a 4 chain structure with sequence from Silurana (xenopus) tropicalis. Full crystallographic information is available from OCA.

Reference

  • Zebisch M, Xu Y, Krastev C, Macdonald BT, Chen M, Gilbert RJ, He X, Jones EY. Structural and molecular basis of ZNRF3/RNF43 transmembrane ubiquitin ligase inhibition by the Wnt agonist R-spondin. Nat Commun. 2013 Nov 14;4:2787. doi: 10.1038/ncomms3787. PMID:24225776 doi:http://dx.doi.org/10.1038/ncomms3787

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