Axin-1 (Protein name
), AXIN1_RAT from NCBI database.
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General Annotation
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Antigen Annotation
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Gene name:
Axin1(Axin);
Protein name:
Axin-1;
Alternative:
Axis inhibition protein 1(rAxin);
Organism:
Rat (Rattus norvegicus).
General Annotation
Sub Unit:
Homodimer (By similarity). Component of the AXIN1-HIPK2-TP53 complex (By similarity). Interacts directly in the complex with TP53 and HIPK2. Interacts with DAXX; the interaction stimulates the interaction of DAXX with TP53, stimulates 'Ser-46' phosphorylation of TP53 and induces cell death on UV irradiation. Also binds ANKRD6, PIAS1, PIAS2, PIAS4, MAP3K1, MAP3K4, SUMO1, SMAD6, SMAD7 and RNF111. Interacts with DIXDC1; the interaction prevents interaction with MAP3K1. Interacts with MDFI; the interaction decreases AXIN1-mediated JUN N-terminal kinase (JNK) activation. Interacts with MDFIC; the interaction inhibits beta-cateninin-mediated signaling and AXIN1-mediated JUN N-terminal kinase (JNK) activation. Interacts with LRP5 (via its phosphorylated PPPSP motifs); the interaction is stimulated by WNT1 and GSK3B and activates beta-catenin signaling. Interacts (via the C-terminal) with PPP1CA; the interaction dephosphorylates AXIN1 and regulates interaction with GSK3B. Interacts with PPP2CA; the interaction dephosphorylates AXIN1 (By similarity). Component of the beta-catenin destruction complex, containing at least, CTNNB1, an axin and GSK3B, that regulates CTNNB1 protein levels through phosphorylation and ubiquitination. Interacts with CTNNB1 (via the armadillo repeats 2-7). Interacts with GSK3B; the interaction hyperphosphorylates CTNNB1 leading to its ubiquitination and destruction. Interacts with MACF1. Found in a complex composed of MACF1, APC, AXIN1, CTNNB1 and GSK3B.
Function:
Component of the beta-catenin destruction complex required for regulating CTNNB1 levels through phosphorylation and ubiquitination, and modulating Wnt-signaling. Controls dorsoventral patterning via two opposing effects; down-regulates beta-catenin to inhibit the Wnt signaling pathway and ventralize embryos, but also dorsalizes embryos by activating a Wnt-independent JNK signaling pathway. Also facilitates the phosphorylation of APC by GSK3B. Facilitates the phosphorylation of TP53 by HIPK2 upon ultraviolet irradiation. Enhances TGF-beta signaling by recruiting the RNF111 E3 ubiquitin ligase and promoting the degradation of inhibitory SMAD7.
Subcellular Location:
Cytoplasm
Nucleus
Cell membrane
On UV irradiation, translocates to the nucleus and colocalizes with DAAX (By similarity). MACF1 is required for its translocation to cell membrane.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA];PHOSPHORYLATION;INTERACTION WITH GSK3B AND CNNB1 IN THE BETA-CATENIN DESTRUCTION COMPLEX;TISSUE SPECIFICITY
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Cited for: SUBCELLULAR LOCATION;INTERACTION WITH MACF1;IDENTIFICATION IN A COMPLEX WITH MACF1; APC; GSK3B AND CTNNB1
Vaild Sequence:
