Curated Information
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Curated Information Page
PubMed Id: 11955436 
This page summarizes selected information from the article referenced above and curated into PhosphoSitePlus®, a comprehensive online resource for the study of protein post-translational modifications (NAR, 2012,40:D261-70). To learn more about the scope of PhosphoSitePlus®, click here.
Liu C, et al. (2002) Control of beta-catenin phosphorylation/degradation by a dual-kinase mechanism. Cell 108, 837-47 11955436
Only sites from this record are displayed on this page. Click on the protein name to open the protein page, and on the RSD number to open the site page. For the complete dataset, click the download button, on the right.
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S33-p - CTNNB1 (human)
Orthologous residues
CTNNB1 (human): S33‑p, CTNNB1 (mouse): S33‑p, CTNNB1 (rat): S33‑p
Characterization
 Methods used to characterize site in vivo phospho-antibody, western blotting
 Relevant cell lines - cell types - tissues:  oocyte, Rat2 (fibroblast)
 Cellular systems studied:  cell lines
 Species studied:  frog, rat
 Enzymes shown to modify site in vitro
Type Enzyme
KINASE GSK3A (human)
Upstream Regulation
 Potential in vivo enzymes for site: 
Type Enzyme Evidence Notes
KINASE GSK3B (human) transfection of wild-type enzyme, transfection of dominant-negative enzyme
 Treatments, proteins and their effect on site modification: 
Treatments Referenced Treatments Manipulated Protein Referenced Protein Effect Notes
lithium decrease
Wnt decrease
Associated Diseases
Diseases: Alterations: Comments:
colorectal cancer mutation of site

S37-p - CTNNB1 (human)
Orthologous residues
CTNNB1 (human): S37‑p, CTNNB1 (mouse): S37‑p, CTNNB1 (rat): S37‑p
Characterization
 Methods used to characterize site in vivo phospho-antibody, western blotting
 Relevant cell lines - cell types - tissues:  oocyte, Rat2 (fibroblast)
 Cellular systems studied:  cell lines
 Species studied:  frog, rat
 Enzymes shown to modify site in vitro
Type Enzyme
KINASE GSK3A (human)
Upstream Regulation
 Potential in vivo enzymes for site: 
Type Enzyme Evidence Notes
KINASE GSK3B (human) transfection of wild-type enzyme, transfection of dominant-negative enzyme
 Treatments, proteins and their effect on site modification: 
Treatments Referenced Treatments Manipulated Protein Referenced Protein Effect Notes
lithium decrease
Wnt decrease
Associated Diseases
Diseases: Alterations: Comments:
colorectal cancer mutation of site

T41-p - CTNNB1 (human)
Orthologous residues
CTNNB1 (human): T41‑p, CTNNB1 (mouse): T41‑p, CTNNB1 (rat): T41‑p
Characterization
 Methods used to characterize site in vivo phospho-antibody, western blotting
 Relevant cell lines - cell types - tissues:  oocyte, Rat2 (fibroblast)
 Cellular systems studied:  cell lines
 Species studied:  frog, rat
 Enzymes shown to modify site in vitro
Type Enzyme
KINASE GSK3A (human)
Upstream Regulation
 Potential in vivo enzymes for site: 
Type Enzyme Evidence Notes
KINASE GSK3B (human) transfection of wild-type enzyme, transfection of dominant-negative enzyme
 Treatments, proteins and their effect on site modification: 
Treatments Referenced Treatments Manipulated Protein Referenced Protein Effect Notes
lithium decrease
Wnt decrease
Associated Diseases
Diseases: Alterations: Comments:
colorectal cancer mutation of site

S45-p - CTNNB1 (human)
Orthologous residues
CTNNB1 (human): S45‑p, CTNNB1 (mouse): S45‑p, CTNNB1 (rat): S45‑p
Characterization
 Methods used to characterize site in vivo phospho-antibody, western blotting
 Relevant cell lines - cell types - tissues:  oocyte, Rat2 (fibroblast)
 Cellular systems studied:  cell lines
 Species studied:  frog, rat
 Enzymes shown to modify site in vitro
Type Enzyme
KINASE CK1A (human)
Upstream Regulation
 Potential in vivo enzymes for site: 
Type Enzyme Evidence Notes
KINASE CK1A (rat) transfection of wild-type enzyme, siRNA inhibition of enzyme
 Treatments, proteins and their effect on site modification: 
Treatments Referenced Treatments Manipulated Protein Referenced Protein Effect Notes
lithium increase
Wnt no change compared to control
Downstream Regulation
 Effect of modification (function):  molecular association, regulation, phosphorylation, protein degradation
 Modification regulates interactions with: 
Interacting molecule Interacting domains Effect Consequences (function) Consequences (process) Detection assays
axin 1 (human) Induces co-immunoprecipitation, electrophoretic visualization
 Comments:  CK1-A phosphorylation of S45 is required for CTNNB1 degradation and Arm degradation in drosophilla.
Associated Diseases
Diseases: Alterations: Comments:
colorectal cancer mutation of site


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