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ProteomicsWnt signalosome assembly is governed by conformational flexibility of Axin and AP2 clathrin adaptor
Wnt signal transduction relies on the direct inhibition of GSK3 by phosphorylated PPPSPxS motifs within the cytoplasmic tail of the LRP6 co-receptor. How GSK3 is recruited to LRP6 remains unclear. Here, we use nuclear magnetic resonance spectroscopy to identify the membrane-proximal PPPSPxS motif an...
ORGANISM(S): Xenopus laevis (African clawed frog) 
2025-04-30 | PXD061649 | Pride
Gsk3 inhibition  lrp6 co-receptor  axin scaffold protein  ap2 cargo adaptor  clathrin-coated structures  wnt signalosome 
ProteomicsLRP6-BirA proximity labelling proteomics comparing wildtype and AP2 binding motif mutant (YYYF) LRP6 in FlpIn T-REx cells
Here we generated tetracycline inducible LRP6-BirA fusion lines in T-REx FlpIn cell lines for BioID proximity labelling proteomics experiments. We compare wt and mutant (YYYF>A mutant; mutates AP2 binding motifs to alanine) LRP6 binding partners following 12hrs Biotin labelling and Wnt3a treatment.
ORGANISM(S): Homo sapiens (Human) 
2025-04-30 | PXD054245 | Pride
Wnt Lrp6 Flpin hek293t Bioid 
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