CAMK2A

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
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RefSeq (mRNA)

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RefSeq (protein)

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Calcium/calmodulin-dependent protein kinase type II alpha chain (CAMKIIα) is an enzyme that in humans is encoded by the CAMK2A gene.[1][2]

Function

The product of this gene belongs to the Serine/Threonine protein kinases family, and to the Ca2+/calmodulin-dependent protein kinase II subfamily. Calcium signaling is crucial for several aspects of plasticity at glutamatergic synapses. This enzyme 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.[citation needed] 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.[3]

Interactions

CAMK2A has been shown to interact with:

References

  1. Nagase T, Ishikawa K, Suyama M, Kikuno R, Hirosawa M, Miyajima N, Tanaka A, Kotani H, Nomura N, Ohara O (Jul 1999). "Prediction of the coding sequences of unidentified human genes. XIII. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro". DNA Res. 6 (1): 63–70. doi:10.1093/dnares/6.1.63. PMID 10231032.
  2. Lin CR, Kapiloff MS, Durgerian S, Tatemoto K, Russo AF, Hanson P, Schulman H, Rosenfeld MG (Sep 1987). "Molecular cloning of a brain-specific calcium/calmodulin-dependent protein kinase". Proc Natl Acad Sci U S A. 84 (16): 5962–6. doi:10.1073/pnas.84.16.5962. PMC 298983. PMID 3475713.
  3. "Entrez Gene: CAMK2A calcium/calmodulin-dependent protein kinase (CaM kinase) II alpha".
  4. Walikonis RS, Oguni A, Khorosheva EM, Jeng CJ, Asuncion FJ, Kennedy MB (Jan 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. PMID 11160423.
  5. Dhavan R, Greer PL, Morabito MA, Orlando LR, Tsai LH (Sep 2002). "The cyclin-dependent kinase 5 activators p35 and p39 interact with the alpha-subunit of Ca2+/calmodulin-dependent protein kinase II and alpha-actinin-1 in a calcium-dependent manner". J. Neurosci. 22 (18): 7879–91. PMID 12223541.
  6. Gardoni F, Mauceri D, Fiorentini C, Bellone C, Missale C, Cattabeni F, Di Luca M (Nov 2003). "CaMKII-dependent phosphorylation regulates SAP97/NR2A interaction". J. Biol. Chem. 278 (45): 44745–52. doi:10.1074/jbc.M303576200. PMID 12933808.

Further reading

External links



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