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- Table of Contents
Facts about Low-density lipoprotein receptor-related protein 6.
The Wnt-induced Fzd/LRP6 coreceptor complex recruits DVL1 polymers to the plasma membrane which, in turn, recruits the AXIN1/GSK3B-complex to the cell surface promoting the formation of signalsomes and inhibiting AXIN1/GSK3- mediated phosphorylation and degradation of beta-catenin. Required for posterior patterning of the epiblast during gastrulation (By similarity).
Human | |
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Gene Name: | LRP6 |
Uniprot: | O75581 |
Entrez: | 4040 |
Belongs to: |
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LDLR family |
ADCAD2; FLJ90062; FLJ90421; low density lipoprotein receptor-related protein 6; low-density lipoprotein receptor-related protein 6; LRP6; LRP-6
Mass (kDA):
180.429 kDA
Human | |
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Location: | 12p13.2 |
Sequence: | 12; NC_000012.12 (12116025..12267044, complement) |
Widely coexpressed with LRP5 during embryogenesis and in adult tissues.
Cell membrane; Single-pass type I membrane protein. Endoplasmic reticulum. Membrane raft. On Wnt signaling, undergoes a cycle of caveolin- or clathrin-mediated endocytosis and plasma membrane location. Released from the endoplasmic reticulum on palmitoylation. Mono-ubiquitination retains it in the endoplasmic reticulum in the absence of palmitoylation. On Wnt signaling, phosphorylated, aggregates and colocalizes with AXIN1 and GSK3B at the plasma membrane in LRP6-signalsomes. Chaperoned to the plasma membrane by MESD (By similarity).
PMID: 9704021 by Brown S.D., et al. Isolation and characterization of LRP6, a novel member of the low density lipoprotein receptor gene family.
PMID: 11448771 by Semenov M.V., et al. Head inducer Dickkopf-1 is a ligand for Wnt coreceptor LRP6.