Summary

Name GRIN2A
Full Name Glutamate receptor ionotropic, NMDA 2A
Synonyms GluN2A, Glutamate [NMDA] receptor subunit epsilon-1, N-methyl D-aspartate receptor subtype 2A, NMDAR2A, NR2A, hNR2A | NMDAR2A
Primary ID Q12879
Links - -
Type protein
Relations 13
Function Component of NMDA receptor complexes that function as heterotetrameric, ligand-gated ion channels with high calcium permeability and voltage-dependent sensitivity to magnesium. Channel activation requires binding of the neurotransmitter glutamate to the epsilon subunit, glycine binding to the zeta subunit, plus membrane depolarization to eliminate channel inhibition by Mg(2+) (PubMed:8768735, PubMed:26919761, PubMed:26875626, PubMed:28105280). Sensitivity to glutamate and channel kinetics depend on the subunit composition; channels containing GRIN1 and GRIN2A have lower sensitivity to glutamate and faster deactivation kinetics than channels formed by GRIN1 and GRIN2B (PubMed:26919761, PubMed:26875626). Contributes to the slow phase of excitatory postsynaptic current, long-term synaptic potentiation, and learning (By similarity).

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png phosphorylation GRIN2A 0.546
Publications: 1 Organism: Rattus Norvegicus
+ img/unknown.png phosphorylation GRIN2A 0.524
Publications: 1 Organism: Rattus Norvegicus
+ up-regulates activity img/direct-activation.png phosphorylation GRIN2A 0.591
Publications: 3 Organism: In Vitro
+ up-regulates activity img/direct-activation.png phosphorylation GRIN2A 0.724
Publications: 3 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation GRIN2A 0.591
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation GRIN2A 0.724
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding NMDA receptor_2A 0.709
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2A 0.805
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png relocalization calcium(2+) 0.8
Publications: 1 Organism: Homo Sapiens