8jj1

Structural highlights

Disease

NMDE1_HUMAN Landau-Kleffner syndrome;Early-onset epileptic encephalopathy and intellectual disability due to GRIN2A mutation;Continuous spikes and waves during sleep;Rolandic epilepsy;Rolandic epilepsy - speech dyspraxia. The disease is caused by mutations affecting the gene represented in this entry. A chromosomal aberration involving GRIN2A has been found in a family with epilepsy and neurodevelopmental defects. Translocation t(16;17)(p13.2;q11.2). GRIN2A somatic mutations have been frequently found in cutaneous malignant melanoma, suggesting that the glutamate signaling pathway may play a role in the pathogenesis of melanoma.^{[1] [2]}

Function

NMDE1_HUMAN NMDA receptor subtype of glutamate-gated ion channels possesses high calcium permeability and voltage-dependent sensitivity to magnesium. Activation requires binding of agonist to both types of subunits.

References

1. ↑ Wei X, Walia V, Lin JC, Teer JK, Prickett TD, Gartner J, Davis S, Stemke-Hale K, Davies MA, Gershenwald JE, Robinson W, Robinson S, Rosenberg SA, Samuels Y. Exome sequencing identifies GRIN2A as frequently mutated in melanoma. Nat Genet. 2011 May;43(5):442-6. doi: 10.1038/ng.810. Epub 2011 Apr 15. PMID:21499247 doi:http://dx.doi.org/10.1038/ng.810
2. ↑ D'mello SA, Flanagan JU, Green TN, Leung EY, Askarian-Amiri ME, Joseph WR, McCrystal MR, Isaacs RJ, Shaw JH, Furneaux CE, During MJ, Finlay GJ, Baguley BC, Kalev-Zylinska ML. Evidence That GRIN2A Mutations in Melanoma Correlate with Decreased Survival. Front Oncol. 2014 Jan 13;3:333. doi: 10.3389/fonc.2013.00333. eCollection 2014, Jan 13. PMID:24455489 doi:http://dx.doi.org/10.3389/fonc.2013.00333