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F8305 Sigma

FRK (208-end), active, GST tagged human

PRECISIO® Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution

Synonym: GTK, PTK5, RAK



Related Categories Active Kinases, Application Index, Biochemicals and Reagents, Cell Biology, Cell Signaling Enzymes,
recombinant   expressed in baculovirus infected Sf9 cells
grade   PRECISIO® Kinase
assay   ≥70% (SDS-PAGE)
form   buffered aqueous glycerol solution
activity   847-1147 nmol/min·mg
mol wt   mol wt ~60 kDa
shipped in   dry ice
storage temp.   −70°C
Gene Information   human ... FRK(2444)


Physical form

Supplied in 50 mM Tris-HCl, pH 7.5, with 150 mM NaCl, 0.2 5mM DTT, 0.1 mM EGTA, 0.1 mM EDTA, 0.1 mM PMSF, and 25% glycerol.

Biochem/physiol Actions

FRK (fyn-related kinase) controls growth by phosphorylating perinuclear proteins. It inhibits cell growth both in a pRb (retinoblastoma)-dependent and independent manner. It cause cell cycle arrest at G1 phase in breast cancer cells. Certain mutations in this gene lead to its constitutive activation, as seen in hepatocellular adenomas. Its up-regulation in gliomas prevents both invasiveness and migration of glioma cells. This is attributable to its promotion of N-cadherin/β-catenin complex formation.

General description

FRK (fyn-related kinase) is a tyrosine kinase, with a molecular weight of 54kDa. It contains SH2 and SH3 (src homology) domains. It is predominantly expressed in tissues of epithelial origin such as, liver, kidney, breast and colon. Its SH2 domain contains a putative bipartite nuclear localization signal.

Legal Information

PRECISIO is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles
Peer-Reviewed Papers


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