Incidental Mutation 'R6286:Grin2a'
ID 508249
Institutional Source Beutler Lab
Gene Symbol Grin2a
Ensembl Gene ENSMUSG00000059003
Gene Name glutamate receptor, ionotropic, NMDA2A (epsilon 1)
Synonyms GluN2A, GluRepsilon1, NR2A, NMDAR2A
MMRRC Submission 044456-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R6286 (G1)
Quality Score 225.009
Status Validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 9579639 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 208 (T208I)
Ref Sequence ENSEMBL: ENSMUSP00000142900 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032331] [ENSMUST00000115835] [ENSMUST00000199708]
AlphaFold P35436
Predicted Effect possibly damaging
Transcript: ENSMUST00000032331
AA Change: T208I

PolyPhen 2 Score 0.931 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: T208I

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
Pfam:ANF_receptor 106 301 1.6e-10 PFAM
PBPe 431 798 1.68e-70 SMART
Lig_chan-Glu_bd 439 502 2.24e-22 SMART
transmembrane domain 818 837 N/A INTRINSIC
Pfam:NMDAR2_C 839 1464 2.1e-230 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000115835
AA Change: T208I

PolyPhen 2 Score 0.931 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: T208I

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
Pfam:ANF_receptor 99 300 9.2e-11 PFAM
PBPe 431 798 1.68e-70 SMART
Lig_chan-Glu_bd 439 502 2.24e-22 SMART
transmembrane domain 818 837 N/A INTRINSIC
Pfam:NMDAR2_C 839 1464 1.2e-266 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199267
Predicted Effect possibly damaging
Transcript: ENSMUST00000199708
AA Change: T208I

PolyPhen 2 Score 0.931 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: T208I

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
Pfam:ANF_receptor 106 301 1.6e-10 PFAM
PBPe 431 798 1.68e-70 SMART
Lig_chan-Glu_bd 439 502 2.24e-22 SMART
transmembrane domain 818 837 N/A INTRINSIC
Pfam:NMDAR2_C 839 1464 2.1e-230 PFAM
Meta Mutation Damage Score 0.0928 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.4%
  • 20x: 95.7%
Validation Efficiency 98% (40/41)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the glutamate-gated ion channel protein family. The encoded protein is an N-methyl-D-aspartate (NMDA) receptor subunit. NMDA receptors are both ligand-gated and voltage-dependent, and are involved in long-term potentiation, an activity-dependent increase in the efficiency of synaptic transmission thought to underlie certain kinds of memory and learning. These receptors are permeable to calcium ions, and activation results in a calcium influx into post-synaptic cells, which results in the activation of several signaling cascades. Disruption of this gene is associated with focal epilepsy and speech disorder with or without mental retardation. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]
PHENOTYPE: Homozygotes for targeted null mutations exhibit jumpiness, mildly impaired long-term potentiation and spatial learning, increased locomotor activity and metabolism of dopamine and serotonin, and loss of analgesic tolerance after repeated morphine doses. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alk T A 17: 72,187,842 (GRCm39) M1300L probably damaging Het
C3 A T 17: 57,531,118 (GRCm39) I356N probably damaging Het
Cntnap5b T A 1: 100,182,798 (GRCm39) S276T possibly damaging Het
Cts7 C T 13: 61,500,584 (GRCm39) G321E probably damaging Het
Cyp11a1 G A 9: 57,924,701 (GRCm39) probably benign Het
Ddx4 T C 13: 112,750,269 (GRCm39) T421A probably damaging Het
Dnttip2 A G 3: 122,078,049 (GRCm39) T694A probably damaging Het
Eif3b G T 5: 140,405,566 (GRCm39) D151Y probably damaging Het
Fhad1 T A 4: 141,648,209 (GRCm39) E219V probably damaging Het
Gdf2 C T 14: 33,667,057 (GRCm39) R260C probably damaging Het
Gm14295 T C 2: 176,501,361 (GRCm39) Y284H possibly damaging Het
Gm45861 A G 8: 28,019,619 (GRCm39) T745A unknown Het
Ide T A 19: 37,255,409 (GRCm39) Y798F unknown Het
Llgl1 G A 11: 60,600,358 (GRCm39) G569D probably damaging Het
Mrpl9 G C 3: 94,351,097 (GRCm39) E92D probably benign Het
Muc16 T A 9: 18,555,685 (GRCm39) H3536L unknown Het
Nasp T C 4: 116,461,985 (GRCm39) Y526C probably damaging Het
Nfx1 A G 4: 40,986,728 (GRCm39) N404D probably damaging Het
Nsrp1 A G 11: 76,940,269 (GRCm39) I112T probably damaging Het
Or6c7 T C 10: 129,323,497 (GRCm39) L206P probably damaging Het
Or8b8 A T 9: 37,809,074 (GRCm39) I125F probably damaging Het
Oxsr1 A G 9: 119,093,948 (GRCm39) V235A probably damaging Het
Pamr1 C T 2: 102,471,293 (GRCm39) Q539* probably null Het
Pramel20 T A 4: 143,297,796 (GRCm39) V72D probably benign Het
Ptpn4 A G 1: 119,649,592 (GRCm39) probably null Het
Ranbp2 C T 10: 58,315,394 (GRCm39) A2038V probably benign Het
Rsf1 G GACGGCGGCA 7: 97,229,116 (GRCm39) probably benign Homo
Septin5 A G 16: 18,442,127 (GRCm39) V253A probably damaging Het
Skic3 T C 13: 76,291,359 (GRCm39) L993P probably damaging Het
Slc22a13 C A 9: 119,037,778 (GRCm39) E117* probably null Het
Slc9c1 T C 16: 45,398,194 (GRCm39) I653T probably benign Het
Slco6c1 T A 1: 97,053,445 (GRCm39) H152L possibly damaging Het
Sp2 A C 11: 96,852,372 (GRCm39) V184G probably benign Het
Taok1 T A 11: 77,444,599 (GRCm39) H492L probably benign Het
Tas2r110 G A 6: 132,845,490 (GRCm39) D174N probably benign Het
Trim24 G A 6: 37,896,426 (GRCm39) probably null Het
Ttn G A 2: 76,581,321 (GRCm39) R21445* probably null Het
Ttn A G 2: 76,605,967 (GRCm39) Y16502H probably damaging Het
Vmn2r84 A C 10: 130,226,737 (GRCm39) M367R possibly damaging Het
Zfp46 T C 4: 136,018,320 (GRCm39) S385P probably damaging Het
Other mutations in Grin2a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01777:Grin2a APN 16 9,461,994 (GRCm39) missense probably benign 0.29
IGL03288:Grin2a APN 16 9,487,704 (GRCm39) missense possibly damaging 0.85
IGL02796:Grin2a UTSW 16 9,402,972 (GRCm39) missense possibly damaging 0.72
PIT4402001:Grin2a UTSW 16 9,462,063 (GRCm39) missense possibly damaging 0.77
PIT4494001:Grin2a UTSW 16 9,402,960 (GRCm39) missense probably damaging 0.98
R0055:Grin2a UTSW 16 9,487,671 (GRCm39) missense probably damaging 0.99
R0055:Grin2a UTSW 16 9,487,671 (GRCm39) missense probably damaging 0.99
R0164:Grin2a UTSW 16 9,812,685 (GRCm39) critical splice donor site probably null
R0164:Grin2a UTSW 16 9,812,685 (GRCm39) critical splice donor site probably null
R0211:Grin2a UTSW 16 9,397,037 (GRCm39) missense possibly damaging 0.86
R0390:Grin2a UTSW 16 9,397,449 (GRCm39) missense possibly damaging 0.85
R0659:Grin2a UTSW 16 9,810,336 (GRCm39) missense probably damaging 0.98
R0661:Grin2a UTSW 16 9,810,336 (GRCm39) missense probably damaging 0.98
R0734:Grin2a UTSW 16 9,397,475 (GRCm39) missense possibly damaging 0.71
R1524:Grin2a UTSW 16 9,481,467 (GRCm39) missense possibly damaging 0.55
R1542:Grin2a UTSW 16 9,397,067 (GRCm39) missense probably damaging 0.98
R1556:Grin2a UTSW 16 9,525,579 (GRCm39) missense probably benign 0.18
R1605:Grin2a UTSW 16 9,481,194 (GRCm39) missense possibly damaging 0.46
R1792:Grin2a UTSW 16 9,810,259 (GRCm39) missense possibly damaging 0.53
R2024:Grin2a UTSW 16 9,462,107 (GRCm39) missense possibly damaging 0.76
R2057:Grin2a UTSW 16 9,487,608 (GRCm39) missense probably benign 0.14
R2344:Grin2a UTSW 16 9,481,099 (GRCm39) missense probably benign 0.03
R2847:Grin2a UTSW 16 9,579,829 (GRCm39) missense possibly damaging 0.73
R2848:Grin2a UTSW 16 9,579,829 (GRCm39) missense possibly damaging 0.73
R2981:Grin2a UTSW 16 9,462,087 (GRCm39) missense possibly damaging 0.89
R4197:Grin2a UTSW 16 9,579,831 (GRCm39) missense probably damaging 1.00
R4342:Grin2a UTSW 16 9,471,453 (GRCm39) missense possibly damaging 0.52
R4741:Grin2a UTSW 16 9,481,376 (GRCm39) missense probably damaging 1.00
R4891:Grin2a UTSW 16 9,475,570 (GRCm39) missense possibly damaging 0.51
R4925:Grin2a UTSW 16 9,487,687 (GRCm39) missense probably damaging 0.98
R5563:Grin2a UTSW 16 9,525,581 (GRCm39) missense probably benign 0.18
R5645:Grin2a UTSW 16 9,810,090 (GRCm39) missense probably damaging 0.98
R5769:Grin2a UTSW 16 9,579,390 (GRCm39) missense possibly damaging 0.89
R5885:Grin2a UTSW 16 9,579,769 (GRCm39) missense possibly damaging 0.95
R6065:Grin2a UTSW 16 9,579,771 (GRCm39) missense possibly damaging 0.92
R6083:Grin2a UTSW 16 9,397,404 (GRCm39) missense probably benign 0.02
R6137:Grin2a UTSW 16 9,471,313 (GRCm39) missense probably benign 0.32
R6342:Grin2a UTSW 16 9,397,198 (GRCm39) missense probably damaging 0.98
R6697:Grin2a UTSW 16 9,487,704 (GRCm39) missense possibly damaging 0.85
R6924:Grin2a UTSW 16 9,481,092 (GRCm39) missense possibly damaging 0.71
R7070:Grin2a UTSW 16 9,397,288 (GRCm39) missense possibly damaging 0.92
R7235:Grin2a UTSW 16 9,397,129 (GRCm39) missense probably damaging 0.98
R7274:Grin2a UTSW 16 9,396,986 (GRCm39) missense possibly damaging 0.71
R7669:Grin2a UTSW 16 9,810,327 (GRCm39) missense probably benign
R7990:Grin2a UTSW 16 9,397,040 (GRCm39) missense possibly damaging 0.71
R8261:Grin2a UTSW 16 9,481,382 (GRCm39) missense probably damaging 0.97
R8503:Grin2a UTSW 16 9,481,413 (GRCm39) missense probably damaging 0.97
R8679:Grin2a UTSW 16 9,403,089 (GRCm39) missense possibly damaging 0.90
R8700:Grin2a UTSW 16 9,397,412 (GRCm39) missense probably benign 0.32
R8823:Grin2a UTSW 16 9,487,758 (GRCm39) missense possibly damaging 0.96
R9122:Grin2a UTSW 16 9,397,186 (GRCm39) missense possibly damaging 0.93
R9656:Grin2a UTSW 16 9,397,471 (GRCm39) missense possibly damaging 0.71
R9674:Grin2a UTSW 16 9,471,265 (GRCm39) nonsense probably null
R9786:Grin2a UTSW 16 9,471,466 (GRCm39) missense possibly damaging 0.71
X0024:Grin2a UTSW 16 9,481,063 (GRCm39) missense probably benign 0.36
Z1177:Grin2a UTSW 16 9,481,441 (GRCm39) missense possibly damaging 0.74
Predicted Primers PCR Primer
(F):5'- AACTCTTTGGGGATGAGCTC -3'
(R):5'- TTCTTGGCAGGATCCGACATC -3'

Sequencing Primer
(F):5'- TCTGTGTTCCCGGAGACCAAAC -3'
(R):5'- TGGAGCTTCCATCCAGCAG -3'
Posted On 2018-03-15