Description
Product Usage Information
Western Blotting: 1:1000
Immunohistochemistry (Paraffin): 1:50
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at -20°C. Do not aliquot the antibody.
Protocol
Available protocols: Western Blotting, Immunohistochemistry (Paraffin)
Specificity / Sensitivity
Phospho-GSK-3 alpha (Ser21) (36E9) Rabbit Monoclonal Antibody detects endogenous levels of GSK-3α when phosphorylated at Ser21 and does not detect GSK-3β when phosphorylated at Ser9.
Species Reactivity: Human, Mouse, Rat, Monkey
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues around Ser21 of human GSK-3α.
Background
Glycogen synthase kinase-3 (GSK-3) was initially identified as an enzyme that regulates glycogen synthesis in response to insulin (1). GSK-3 is a ubiquitously expressed serine/threonine protein kinase that phosphorylates and inactivates glycogen synthase. GSK-3 is a critical downstream element of the PI3K/Akt cell survival pathway whose activity can be inhibited by Akt-mediated phosphorylation at Ser21 of GSK-3α and Ser9 of GSK-3β (2,3). GSK-3 has been implicated in the regulation of cell fate in and is a component of the Wnt signaling pathway required for and mammalian development (4). GSK-3 has been shown to regulate cyclin D1 proteolysis and subcellular localization (5).
Alternate Names
DKFZp686D0638; glycogen synthase kinase 3 alpha; Glycogen synthase kinase-3 alpha; GSK-3 alpha; GSK3A; GSK3alpha; Serine/threonine-protein kinase GSK3A
