Description
Focal Adhesion Kinase (FAK) is a cytoplasmic tyrosine kinase that associates with integrins in focal adhesions. Its cellular localization is directed by a 125-amino acid sequence at the C terminus called the "Focal Adhesion Targeting" (FAT) domain, and the phosphorylation state of serine 910 (S910) in the FAT domain may regulate the assembly of focal adhesions. Furthermore, the binding of extracellular matrix ligands to integrins triggers tyrosine phosphorylations near FAK's kinase domain that increase its kinase activity, and additional tyrosine phosphorylations near proline-rich motifs create binding sites for the SH2 domains of various adaptor proteins. FAK's ability to bind numerous structural and signaling proteins via a variety of interactions regulates FAK's targeting to focal adhesions, modulates its kinase activity, and initiates intracellular signaling cascades. Thus, studies suggest that FAK may integrate cellular events controlling cell motility, growth, and invasiveness. The K73-480 monoclonal antibody recognizes the phosphorylated S910 of human FAK. The orthologous phosphorylation sites in mouse and rat FAK are S948 and S913, respectively.
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to Alexa Fluor® 488 under optimum conditions, and unreacted Alexa Fluor® 488 was removed.
1. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
2. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
4. The Alexa Fluor®, Pacific Blue™, and Cascade Blue® dye antibody conjugates in this product are sold under license from Molecular Probes, Inc. for research use only, excluding use in combination with microarrays, or as analyte specific reagents. The Alexa Fluor® dyes (except for Alexa Fluor® 430), Pacific Blue™ dye, and Cascade Blue® dye are covered by pending and issued patents.
5. Alexa Fluor® 488 fluorochrome emission is collected at the same instrument settings as for fluorescein isothiocyanate (FITC).
6. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
7. Alexa Fluor® is a registered trademark of Molecular Probes, Inc., Eugene, OR.
8. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
