Ser272
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Home > Phosphorylation Site Page: > Ser272  -  PXN iso2 (human)

Site Information
ELDELMAsLSDFKFM   SwissProt Entrez-Gene
Blast this site against: NCBI  SwissProt  PDB 
Site Group ID: 465466

In vivo Characterization
Methods used to characterize site in vivo:
immunoprecipitation ( 1 ) , mass spectrometry ( 2 ) , mutation of modification site ( 1 , 3 , 4 ) , phospho-antibody ( 1 , 5 , 6 ) , western blotting ( 1 , 5 )
Disease tissue studied:
prostate cancer ( 1 )
Relevant cell line - cell type - tissue:
DU 145 (prostate cell) ( 1 ) , endothelial-pulmonary artery ( 5 ) , HeLa (cervical) ( 3 ) , HPAEC (endothelial) ( 4 ) , WM115 (melanocyte) ( 2 )

Upstream Regulation
Putative in vivo kinases:
PAK1 (human) ( 6 ) , PAK4 (human) ( 1 )
Kinases, in vitro:
PAK1 (human) ( 6 ) , PAK4 (human) ( 1 )
Treatments:
HGF ( 4 ) , Ox-PAPC ( 5 ) , VEGF ( 4 )

Downstream Regulation
Effects of modification on PXN iso2:
intracellular localization ( 3 , 6 ) , molecular association, regulation ( 3 , 6 )
Effects of modification on biological processes:
cell adhesion, altered ( 1 , 4 , 6 ) , cell motility, altered ( 6 ) , cytoskeletal reorganization ( 4 , 5 )
Induce interaction with:
ARHGEF6 (human) ( 6 ) , GIT1 (human) ( 6 )
Inhibit interaction with:
GIT1 (human) ( 3 )

References 

1

Wells CM, et al. (2010) PAK4: a pluripotent kinase that regulates prostate cancer cell adhesion. J Cell Sci 123, 1663-73
20406887   Curated Info

2

Old WM, et al. (2009) Functional proteomics identifies targets of phosphorylation by B-Raf signaling in melanoma. Mol Cell 34, 115-31
19362540   Curated Info

3

Dong JM, et al. (2009) Paxillin nuclear-cytoplasmic localization is regulated by phosphorylation of the LD4 motif: evidence that nuclear paxillin promotes cell proliferation. Biochem J 418, 173-84
18986306   Curated Info

4

Birukova AA, Cokic I, Moldobaeva N, Birukov KG (2009) Paxillin is involved in the differential regulation of endothelial barrier by HGF and VEGF. Am J Respir Cell Mol Biol 40, 99-107
18664639   Curated Info

5

Birukova AA, et al. (2008) Cross talk between paxillin and Rac is critical for mediation of barrier-protective effects by oxidized phospholipids. Am J Physiol Lung Cell Mol Physiol 295, L593-602
18676874   Curated Info

6

Nayal A, et al. (2006) Paxillin phosphorylation at Ser273 localizes a GIT1-PIX-PAK complex and regulates adhesion and protrusion dynamics. J Cell Biol 173, 587-9
16717130   Curated Info