Protein Daple - Q9P219 (DAPLE_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Required for activation of guanine nucleotide-binding proteins (G-proteins) during non-canonical Wnt signaling (PubMed:26126266). Binds to ligand-activated Wnt receptor FZD7, displacing DVL1 from the FZD7 receptor and leading to inhibition of canonical Wnt signaling (PubMed:26126266). Acts as a non-receptor guanine nucleotide exchange factor by also binding to guanine nucleotide-binding protein G(i) alpha (Gi-alpha) subunits, leading to their activation (PubMed:26126266). Binding to Gi-alpha subunits displaces the beta and gamma subunits from the heterotrimeric G-protein complex, triggering non-canonical Wnt responses such as activation of RAC1 and PI3K-AKT signaling (PubMed:26126266). Promotes apical constriction of cells via ARHGEF18 (PubMed:30948426). UniProt
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Subunit Structure
Homooligomer (By similarity). Interacts with DVL1 (via PDZ domain); dissociates following initiation of non-canonical Wnt signaling (PubMed:26126266). Interacts (via C-terminus) with ligand-activated Wnt receptor FZD7; competes with DVL1 for binding to FZD7 and displaces DVL1 from ligand-activated FZD7 (PubMed:26126266). Interacts (via GBA motif) with guanine nucleotide-binding protein G(i) alpha subunits GNAI1, GNAI2 and GNAI3 (inactive GDP-bound form); interacts with higher affinity with GNAI1 and GNAI3 than with GNAI2 and interaction leads to G(i) alpha subunit activation (PubMed:26126266). Does not interact with GNAO1 (PubMed:26126266). UniProt
The PDZ domain is required for localization to apical junctions. UniProt
  • Isoforms: 3 , currently showing only the 'canonical' sequence.
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Data in green originates from UniProtKB  
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Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
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Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
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Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Data in red indicates combined ranges of Homology Models from the SWISS-MODEL Repository  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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