Incidental Mutation 'R0055:Grin2a'
ID 58990
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 038349-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R0055 (G1)
Quality Score 225
Status Validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 9487671 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Aspartic acid at position 409 (V409D)
Ref Sequence ENSEMBL: ENSMUSP00000142900 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032331] [ENSMUST00000115835] [ENSMUST00000199708]
AlphaFold P35436
Predicted Effect probably damaging
Transcript: ENSMUST00000032331
AA Change: V409D

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: V409D

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 probably damaging
Transcript: ENSMUST00000115835
AA Change: V409D

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: V409D

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 probably damaging
Transcript: ENSMUST00000199708
AA Change: V409D

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: V409D

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 0.7647 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.6%
  • 20x: 95.6%
Validation Efficiency 98% (59/60)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 T C 6: 128,547,057 (GRCm39) probably benign Het
Atp6v1h A T 1: 5,154,677 (GRCm39) T2S probably benign Het
Bcl11b G A 12: 107,932,036 (GRCm39) P179S probably benign Het
Cacna1a C T 8: 85,306,687 (GRCm39) probably benign Het
Ccdc146 C T 5: 21,502,004 (GRCm39) probably null Het
Ccdc61 T C 7: 18,626,461 (GRCm39) D128G probably damaging Het
Cd55 A G 1: 130,387,313 (GRCm39) probably benign Het
Cdk7 C A 13: 100,855,812 (GRCm39) E99* probably null Het
Cfap96 A T 8: 46,421,198 (GRCm39) S108R probably damaging Het
Cox8a A T 19: 7,194,874 (GRCm39) S2T probably damaging Het
Cracdl A C 1: 37,663,337 (GRCm39) S854A probably benign Het
Dennd5a A G 7: 109,498,998 (GRCm39) I955T possibly damaging Het
Dop1a A C 9: 86,394,705 (GRCm39) E602A probably benign Het
Ephx4 T C 5: 107,560,944 (GRCm39) L32S probably damaging Het
Fbxo21 T A 5: 118,138,555 (GRCm39) D493E probably benign Het
Frmd4b A T 6: 97,300,610 (GRCm39) probably benign Het
Fzd1 A T 5: 4,806,037 (GRCm39) M515K possibly damaging Het
Gli2 A G 1: 118,818,138 (GRCm39) probably benign Het
Gm12887 T A 4: 121,473,666 (GRCm39) K61N probably damaging Het
Grin2b T C 6: 135,900,201 (GRCm39) I227V probably benign Het
Helz2 T G 2: 180,870,614 (GRCm39) D2879A possibly damaging Het
Itpr2 T C 6: 146,224,631 (GRCm39) N1453S probably benign Het
Itpr3 C A 17: 27,317,296 (GRCm39) S817Y probably damaging Het
Lin7c T A 2: 109,726,798 (GRCm39) probably benign Het
Ly75 T C 2: 60,152,262 (GRCm39) E1097G probably benign Het
Mcm10 T C 2: 4,996,218 (GRCm39) N882D probably damaging Het
Mettl13 A T 1: 162,373,750 (GRCm39) L167Q probably damaging Het
Morn2 A T 17: 80,602,942 (GRCm39) M1L probably benign Het
Mybph G T 1: 134,121,590 (GRCm39) V88L probably damaging Het
Nefm T A 14: 68,358,648 (GRCm39) probably benign Het
Nf1 A G 11: 79,362,377 (GRCm39) E1497G probably damaging Het
Or2j3 T C 17: 38,615,702 (GRCm39) S217G possibly damaging Het
Or4k37 T A 2: 111,158,870 (GRCm39) Y35* probably null Het
Or51ah3 A G 7: 103,210,244 (GRCm39) K187E probably damaging Het
Or52e18 T A 7: 104,609,703 (GRCm39) T79S possibly damaging Het
Phf8-ps A T 17: 33,285,696 (GRCm39) W369R probably damaging Het
Plcd3 C G 11: 102,968,411 (GRCm39) W382S probably damaging Het
Plxna1 T A 6: 89,306,721 (GRCm39) I1370F possibly damaging Het
Qng1 T C 13: 58,531,980 (GRCm39) D192G probably damaging Het
Rarb G A 14: 16,509,066 (GRCm38) R106C probably damaging Het
Rps6ka5 G A 12: 100,644,839 (GRCm39) T37I probably damaging Het
Runx1 G T 16: 92,441,029 (GRCm39) probably benign Het
Scube1 A G 15: 83,518,937 (GRCm39) V301A probably damaging Het
Sema3a A T 5: 13,450,004 (GRCm39) N27I possibly damaging Het
Slc15a3 G T 19: 10,820,406 (GRCm39) E8* probably null Het
Slc22a5 T C 11: 53,782,032 (GRCm39) S112G probably benign Het
Slc25a45 T C 19: 5,930,495 (GRCm39) F3L probably damaging Het
Slc4a4 A C 5: 89,304,195 (GRCm39) H502P possibly damaging Het
Slfn10-ps A G 11: 82,921,126 (GRCm39) noncoding transcript Het
Slit2 C A 5: 48,439,068 (GRCm39) C1077* probably null Het
Spn A G 7: 126,735,494 (GRCm39) F82L possibly damaging Het
Tbccd1 A G 16: 22,660,655 (GRCm39) W54R probably damaging Het
Ucp1 G T 8: 84,017,233 (GRCm39) E8* probably null Het
Unc80 A T 1: 66,545,782 (GRCm39) probably benign Het
Vsnl1 A T 12: 11,436,987 (GRCm39) probably null Het
Zdhhc11 C T 13: 74,130,805 (GRCm39) Q295* probably null Het
Zfp457 T A 13: 67,442,098 (GRCm39) H63L 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
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
R6286:Grin2a UTSW 16 9,579,639 (GRCm39) missense possibly damaging 0.93
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'- TGCATACATGACACATCTCCAGGC -3'
(R):5'- AGTCCATGCTGTTTCCATGACACC -3'

Sequencing Primer
(F):5'- ACATCTCCAGGCATGTAAGTG -3'
(R):5'- ACCTTTGCCAGAGCATTGAG -3'
Posted On 2013-07-11