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CAMK2A  Protéine

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Hôte d’expression: Baculovirus-Insect Cells  
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CAMK2A Voies apparentées

CAMK2A Produits apparentés

CAMK2A Produits apparentés

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CAMK2A Récapitulatif et informations sur les protéines

CAMK2A Fond

Résumé du gène: The product of this gene belongs to the serine/threonine protein kinases family, and to the Ca(2+)/calmodulin-dependent protein kinases subfamily. Calcium signaling is crucial for several aspects of plasticity at glutamatergic synapses. This calcium calmodulin-dependent protein kinase is composed of four different chains: alpha, beta, gamma, and delta. The alpha chain encoded by this gene is required for hippocampal long-term potentiation (LTP) and spatial learning. In addition to its calcium-calmodulin (CaM)-dependent activity, this protein can undergo autophosphorylation, resulting in CaM-independent activity. Two transcript variants encoding distinct isoforms have been identified for this gene
General information above from NCBI
Activité catalytique: ATP + a protein = ADP + a phosphoprotein.
Régulation enzymatique: Autophosphorylation of Thr-286 allows the kinase to switch from a calmodulin-dependent to a calmodulin- independent state (By similarity).
Structure de sous-unités: CAMK2 is composed of four different chains: alpha, beta, gamma, and delta. The different isoforms assemble into homo- or heteromultimeric holoenzymes composed of 8 to 12 subunits. Interacts with BAALC, MPDZ, SYN1, CAMK2N2 and SYNGAP1 (By similarity).
Localisation subcellulaire: Cell junction, synapse, presynaptic cell membrane (By similarity). Cell junction, synapse (By similarity). Note=Postsynaptic lipid rafts (By similarity).
Similarité de séquence: Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. CaMK subfamily.
Contains 1 protein kinase domain.
General information above from UniProt

Ca2+/calmodulin-dependent protein kinase2A (CAMK2A) belongs to the serine/threonine protein kinase family and, together with other 28 different isoforms, belongs to the Ca2+/ calmodulin-dependent protein kinase subfamily. CaM kinase Ⅱ is thought to be an important mediator of learning and memory and is also necessary for Ca2+ homeostasis and reuptake in cardiomyocytes chloride transport in epithelia, positive T-cell selection, and CD8 T-cell activation. CAMKIIA is one of the major forms of CAMKII. It has been found to play a critical role in sustaining activation of CAMKII at the postsynaptic density. Studies have found that knockout mice without CAMKIIA demonstrate a low frequency of LTP. Additionally, these mice do not form persistent, stable place cells in the hippocampus.

CAMK2A Autre dénomination

CAMKA, [homo-sapiens]
CAMK2A,CAMKA,KIAA0968, [human]
CaMK II,Camk2a,CaMKII,mKIAA0968,R74975, [mouse]
CaMKII,R74975,mKIAA0968, [mus-musculus]

CAMK2A Études apparentées

  • Lin CR, et al. (1987). Molecular cloning of a brain-specific calcium/calmodulin-dependent protein kinase. Proc Natl Acad Sci U S A. 84 (16): 5962-6.
  • Walikonis RS, et al. (2001) Densin-180 forms a ternary complex with the (alpha)-subunit of Ca2+/calmodulin-dependent protein kinase II and (alpha)-actinin. J Neurosci. 21 (2): 423-33.
  • Gardoni F, et al. (2003) CaMKII-dependent phosphorylation regulates SAP97/NR2A interaction. J Biol Chem. 278 (45): 44745-52.
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