Sequence of this protein is as follows: MPGPAAGSRA RVYAEVNSLR SREYWDYEAH VPSWGNQDDY QLVRKLGRGK YSEVFEAINI TNNERVVVKI LKPVKKKKIK REVKILENLR GGTNIIKLID TVKDPVSKTP ALVFEYINNT DFKQLYQILT DFDIRFYMYE LLKALDYCHS KGIMHRDVKP HNVMIDHQQK KLRLIDWGLA EFYHPAQEYN VRVASRYFKG PELLVDYQMY DYSLDMWSLG CMLASMIFRR EPFFHGQDNY DQLVRIAKVL GTEELYGYLK KYHIDLDPHF NDILGQHSRK RWENFIHSEN RHLVSPEALD LLDKLLRYDH QQRLTAKEAM EHPYFYPVVK EQSQPCADNA VLSSGLTAAR
Casein kinase II (CK2) is a constitutively active, ubiquitously expressed serine/threonine protein kinase that is thought to have a regulatory function in cell proliferation, cell differentiation and apoptosis. CK2 functions as a tetrameric complex consisting of two regulatory beta-subunits and two catalytic units (alpha and alpha') in a homomeric or heteromeric conformation. Whilst the alpha- and alpha'-subunits are catalytically identical, proteins that regulate CK2, such as cdc2 and Hsp90, preferentially bind to the alpha and not the alpha'-subunit. CK2 can phosphorylate a number of key intracellular signaling proteins implicated in tumor suppression (p53 and PTEN) and tumorigenesis (myc, jun, NF-kappaB). CK2 is also thought to influence Wnt signaling via beta-catenin phosphorylation and the PI 3-K signaling pathway via the phosphorylation of Akt.
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Protein Aliases: casein kinase 2 alpha; casein kinase 2 alpha'; casein kinase 2, alpha prime polypeptide; Casein kinase II subunit alpha'; CK II alpha'
Gene Aliases: CK2A2; CK2alpha'; CSNK2A1; CSNK2A2
UniProt ID: (Human) P19784
Entrez Gene ID: (Human) 1459