Incidental Mutation 'PIT4402001:Grin2a'
ID 555545
Institutional Source Beutler Lab
Gene Symbol Grin2a
Ensembl Gene ENSMUSG00000059003
Gene Name glutamate receptor, ionotropic, NMDA2A (epsilon 1)
Synonyms GluN2A, GluRepsilon1, NR2A, NMDAR2A
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.463) question?
Stock # PIT4402001 (G1)
Quality Score 225.009
Status Not validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 9462063 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 690 (T690A)
Ref Sequence ENSEMBL: ENSMUSP00000032331 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032331] [ENSMUST00000115835] [ENSMUST00000199708]
AlphaFold P35436
Predicted Effect possibly damaging
Transcript: ENSMUST00000032331
AA Change: T690A

PolyPhen 2 Score 0.768 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: T690A

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: T690A

PolyPhen 2 Score 0.768 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: T690A

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 possibly damaging
Transcript: ENSMUST00000199708
AA Change: T690A

PolyPhen 2 Score 0.768 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: T690A

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
Coding Region Coverage
  • 1x: 92.8%
  • 3x: 90.3%
  • 10x: 83.2%
  • 20x: 68.1%
Validation Efficiency
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: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700129C05Rik T G 14: 59,380,084 (GRCm39) L71F probably damaging Het
Adamts9 C T 6: 92,849,328 (GRCm39) V1044I probably benign Het
Alcam T C 16: 52,115,497 (GRCm39) Y207C probably damaging Het
Aldh4a1 C A 4: 139,369,502 (GRCm39) S351* probably null Het
Aoah C A 13: 20,978,680 (GRCm39) S39R probably benign Het
Arcn1 A T 9: 44,656,899 (GRCm39) V421E possibly damaging Het
Ccdc18 A G 5: 108,306,485 (GRCm39) E300G possibly damaging Het
Cdk2ap2 C A 19: 4,148,557 (GRCm39) R126S probably damaging Het
Dcun1d4 A G 5: 73,668,276 (GRCm39) I39V probably benign Het
Fam53b A T 7: 132,361,746 (GRCm39) I94N probably damaging Het
Fam83g A G 11: 61,594,422 (GRCm39) H652R probably damaging Het
Fanca A T 8: 124,039,803 (GRCm39) M157K possibly damaging Het
Flt1 A T 5: 147,615,049 (GRCm39) I299N probably damaging Het
Gm10800 CAAGAAAACTGAAAATCAAAGAAAACTGAAAATCA CAAGAAAACTGAAAATCA 2: 98,497,361 (GRCm39) probably null Het
Gns A G 10: 121,212,611 (GRCm39) Y191C probably damaging Het
Gsk3b C T 16: 37,909,763 (GRCm39) probably benign Het
Igsf10 A G 3: 59,233,000 (GRCm39) V1911A probably benign Het
Igsf3 A G 3: 101,334,393 (GRCm39) K157E probably benign Het
Inpp5a T C 7: 139,091,369 (GRCm39) Y118H probably benign Het
Kmt2a A G 9: 44,752,359 (GRCm39) V1413A unknown Het
Mettl9 T A 7: 120,656,440 (GRCm39) V190E probably damaging Het
Mrps9 T C 1: 42,935,258 (GRCm39) L188P probably benign Het
Myo9a A T 9: 59,777,719 (GRCm39) R1158S possibly damaging Het
Nacad T G 11: 6,548,621 (GRCm39) Q1371P probably benign Het
Ncoa1 T C 12: 4,344,987 (GRCm39) M787V probably benign Het
Noxred1 A T 12: 87,273,855 (GRCm39) I62K probably benign Het
Or1j4 A T 2: 36,740,316 (GRCm39) H86L probably benign Het
Or2d3b T A 7: 106,514,294 (GRCm39) D296E possibly damaging Het
Or2y17 A G 11: 49,232,226 (GRCm39) Y289C probably damaging Het
Or52d1 A G 7: 103,755,657 (GRCm39) Y57C probably damaging Het
Otud6b A G 4: 14,818,185 (GRCm39) Y239H probably damaging Het
Pank1 A G 19: 34,818,366 (GRCm39) Y233H probably damaging Het
Pccb G T 9: 100,877,645 (GRCm39) D286E probably benign Het
Plek A C 11: 16,940,121 (GRCm39) L196R probably benign Het
Pou6f2 T C 13: 18,299,931 (GRCm39) H576R Het
Rbm47 T A 5: 66,184,354 (GRCm39) Y83F probably damaging Het
Rbm6 A T 9: 107,665,049 (GRCm39) Y787N probably damaging Het
Slc8a2 C A 7: 15,868,419 (GRCm39) A217E probably damaging Het
Suox G A 10: 128,507,164 (GRCm39) A288V probably damaging Het
Tbccd1 T C 16: 22,640,873 (GRCm39) I501M probably damaging Het
Tjp2 C A 19: 24,075,493 (GRCm39) G1042* probably null Het
Tmtc2 T C 10: 105,249,268 (GRCm39) Y155C probably damaging Het
Usp7 T C 16: 8,516,359 (GRCm39) N600S probably benign Het
Zer1 T C 2: 29,991,132 (GRCm39) I699V probably damaging Het
Zfp142 A G 1: 74,618,687 (GRCm39) F227S 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
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
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'- AGCCATGCAGAGTCTGTTTC -3'
(R):5'- GCCATCTTAGAGATCGCAGACC -3'

Sequencing Primer
(F):5'- CTGTCAGATTTAAAGACCCGATGTC -3'
(R):5'- TCTTAGAGATCGCAGACCCATGG -3'
Posted On 2019-06-07