Curated Information
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Home > Curated Information Page > PubMed Id: 21715331
Pierantoni GM, et al. (2011) Homeodomain-interacting protein kinase-2 stabilizes p27(kip1) by its phosphorylation at serine 10 and contributes to cell motility. J Biol Chem 286, 29005-13 21715331
This page summarizes selected information from the record referenced above and curated into PhosphoSitePlus®, a comprehensive online resource for the study of protein post-translational modifications (NAR, 2015, 43:D512-20). To learn more about the scope of PhosphoSitePlus®, click here.
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S10-p - p27Kip1 (human)
Modsite: NVRVSNGsPsLErMD SwissProt Entrez-Gene
Orthologous residues
p27Kip1 (human): S10‑p, p27Kip1 (mouse): S10‑p, p27Kip1 (rat): S10‑p
Methods used to characterize site in vivo mutation of modification site, phospho-antibody, western blotting
Disease tissue studied:  bone cancer, lung cancer, non-small cell lung cancer
Relevant cell lines - cell types - tissues:  293 (epithelial), NCI-H1299 (pulmonary), Saos-2 (bone cell)
Cellular systems studied:  cell lines
Species studied:  human
Enzymes shown to modify site in vitro
Type Enzyme
KINASE HIPK2 (human)
Upstream Regulation
Potential in vivo enzymes for site: 
Type Enzyme Evidence Notes
KINASE HIPK2 (human) mutation in upstream enzyme recognition motif, transfection of wild-type enzyme, transfection of inactive enzyme, siRNA inhibition of enzyme
Treatments, proteins and their effect on site modification: 
Treatments Referenced Treatments Manipulated Protein Referenced Protein Effect Notes
cycloheximide decrease
MG132 increase
Downstream Regulation
Effect of modification (function):  protein stabilization
Effect of modification (process):  cell motility, induced

T157-p - p27Kip1 (human)
Modsite: GIRkrPAtDDSSTQN SwissProt Entrez-Gene
Orthologous residues
p27Kip1 (human): T157‑p, p27Kip1 (mouse): A157‑p, p27Kip1 (rat): A157‑p

T187-p - p27Kip1 (human)
Modsite: NAGsVEQtPKKPGLR SwissProt Entrez-Gene
Orthologous residues
p27Kip1 (human): T187‑p, p27Kip1 (mouse): T187‑p, p27Kip1 (rat): T187‑p

T198-p - p27Kip1 (human)
Modsite: PGLRRRQt_______ SwissProt Entrez-Gene
Orthologous residues
p27Kip1 (human): T198‑p, p27Kip1 (mouse): T197‑p, p27Kip1 (rat): T197‑p