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General description
Paxillin, a focal adhesion protein, is involved in focal adhesion formation during cell adhesion and migration. Paxillin contains LD motifs, LIM domains, and SH3-/SH2-binding domains that participate in a variety of protein-protein interactions with kinases, GTPase-activating proteins, and cytoskeletal proteins. Phosphorylation of paxillin occurs at both tyrosine and serine sites. Serine phosphorylation of paxillin occurs in response to growth-factor activation and fibronectins. Both JNK1 and cdc2 kinases can phosphorylate serine 178 in paxillin. The mutant form of paxillin (S178A) decreases the migration of keratocytes and epithelial cells. Thus, phosphorylation paxillin at serine 178 may be important during cell migration.
Immunogen
Epitope: phosphoserine 178
Synthetic peptide (coupled to KLH) corresponding to amino acid residues around serine 178 of human paxillin. This human sequence is highly conserved in rat and mouse paxillin.
Application
Research Category
Signaling
Research Sub Category
Cytoskeletal Signaling
This Anti-Paxillin Antibody, phospho-specific [Ser178] is validated for use in ELISA, WB for the detection of Paxillin.
Western blot: 1:500 ELISA: 1:2000
Biochem/physiol Actions
This antibody detects a 68 kDa protein corresponding to the molecular weight of phosphorylated paxillin on SDS-PAGE immunoblots of EGF treated A431 cells, but not in A431 control cells. Similar results were seen in calyculin A treated human A431 and aortic endothelial cells.
Physical form
Affinity-purified antibody is supplied in 100 μl phosphate-buffered saline, 50% glycerol, 1 mg/ml BSA, and 0.05% sodium azide.
Preparation Note
Maintain at -20°C for one year from date of receipt. Do not aliquot.
Legal Information
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
| biological source | rabbit |
| Quality Segment | 100 |
| antibody form | affinity isolated antibody |
| antibody product type | primary antibodies |
| clone | polyclonal |
| purified by | affinity chromatography |
| species reactivity | human |
| manufacturer/tradename | Chemicon® |
| technique(s) | ELISA: suitable,western blot: suitable |
| isotype | IgG |
| NCBI accession no. | NM_002859.1 |
| UniProt accession no. | P49023 |
| shipped in | wet ice |
| target post-translational modification | phosphorylation (pSer178) |
| Gene Information | human ... PXN(5829) |
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