Incidental Mutation 'R0659:Grin2a'
ID 218705
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 038844-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.463) question?
Stock # R0659 (G1)
Quality Score 70
Status Validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 9810336 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Glutamine at position 21 (P21Q)
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: P21Q

PolyPhen 2 Score 0.979 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: P21Q

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: P21Q

PolyPhen 2 Score 0.979 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: P21Q

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: ENSMUST00000156482
Predicted Effect noncoding transcript
Transcript: ENSMUST00000197242
Predicted Effect probably damaging
Transcript: ENSMUST00000199708
AA Change: P21Q

PolyPhen 2 Score 0.979 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: P21Q

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 0.0882 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.7%
  • 20x: 95.6%
Validation Efficiency 99% (72/73)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts19 A G 18: 59,140,565 (GRCm39) probably benign Het
Ahnak A G 19: 8,992,366 (GRCm39) H4550R possibly damaging Het
Anxa6 A G 11: 54,874,173 (GRCm39) V591A probably damaging Het
Apol7c A G 15: 77,410,473 (GRCm39) S158P probably damaging Het
Asxl1 T A 2: 153,242,644 (GRCm39) S1065T possibly damaging Het
Cacna2d4 A G 6: 119,322,067 (GRCm39) probably benign Het
Cd109 T C 9: 78,587,452 (GRCm39) probably benign Het
Cep78 C T 19: 15,933,554 (GRCm39) V675M probably damaging Het
Ces4a T C 8: 105,871,554 (GRCm39) probably benign Het
Chpf A G 1: 75,454,367 (GRCm39) V137A probably damaging Het
Comp T C 8: 70,831,751 (GRCm39) S457P possibly damaging Het
Cth A G 3: 157,625,752 (GRCm39) probably benign Het
Cyp2a12 T C 7: 26,733,563 (GRCm39) L314P probably damaging Het
Ets1 C T 9: 32,649,589 (GRCm39) R309C probably damaging Het
Foxp2 T C 6: 15,254,278 (GRCm39) probably benign Het
Gm9875 T G 2: 13,562,995 (GRCm39) F108V unknown Het
Golga5 G T 12: 102,442,467 (GRCm39) V269F possibly damaging Het
Greb1 T C 12: 16,730,213 (GRCm39) Y1738C probably damaging Het
Hdac5 A T 11: 102,086,850 (GRCm39) V70E probably damaging Het
Hdac9 T C 12: 34,487,221 (GRCm39) Q60R probably damaging Het
Hsd17b3 T C 13: 64,221,750 (GRCm39) T92A possibly damaging Het
Itpk1 C T 12: 102,572,337 (GRCm39) probably benign Het
Lin28a T C 4: 133,735,410 (GRCm39) probably benign Het
Mapk6 T C 9: 75,305,244 (GRCm39) S58G probably damaging Het
Mmp21 G A 7: 133,279,396 (GRCm39) probably benign Het
Mroh2a C A 1: 88,170,142 (GRCm39) A685D possibly damaging Het
Mroh2a G A 1: 88,178,064 (GRCm39) D1053N probably damaging Het
Msh3 T C 13: 92,481,604 (GRCm39) N303D possibly damaging Het
Mto1 C T 9: 78,378,072 (GRCm39) T638M probably damaging Het
Mto1 T A 9: 78,364,790 (GRCm39) I343N probably damaging Het
Myo18b T C 5: 112,908,193 (GRCm39) K2027E possibly damaging Het
Myo7a T C 7: 97,703,545 (GRCm39) probably benign Het
Nlrp9a T C 7: 26,256,703 (GRCm39) I107T probably damaging Het
Or5k17 C A 16: 58,746,772 (GRCm39) R54L possibly damaging Het
Or8g37 T G 9: 39,731,112 (GRCm39) M59R possibly damaging Het
Osbpl5 A G 7: 143,258,767 (GRCm39) S268P probably damaging Het
Pih1d1 T A 7: 44,809,399 (GRCm39) S289T probably benign Het
Pik3c2b A G 1: 132,998,938 (GRCm39) D353G probably damaging Het
Ppef2 A G 5: 92,378,368 (GRCm39) L609P probably damaging Het
Prune2 A T 19: 17,100,199 (GRCm39) D1901V probably damaging Het
Rdh9 T C 10: 127,612,444 (GRCm39) Y31H possibly damaging Het
Slc5a9 T A 4: 111,741,068 (GRCm39) Y526F possibly damaging Het
Slitrk5 A G 14: 111,918,121 (GRCm39) K582E probably benign Het
Sult1c2 A T 17: 54,138,806 (GRCm39) M257K probably damaging Het
Tasor2 T C 13: 3,624,448 (GRCm39) D1834G probably damaging Het
Tmem132d A G 5: 128,061,351 (GRCm39) I417T possibly damaging Het
Tmem229b T C 12: 79,011,908 (GRCm39) T8A probably benign Het
Tmem237 T C 1: 59,153,253 (GRCm39) I89M possibly damaging Het
Tnfrsf17 A T 16: 11,137,683 (GRCm39) D140V probably damaging Het
Tnrc6b T A 15: 80,807,647 (GRCm39) probably benign Het
Trio A G 15: 27,831,485 (GRCm39) L194P probably damaging Het
Vmn2r74 T C 7: 85,605,122 (GRCm39) probably benign Het
Vps13c T A 9: 67,828,217 (GRCm39) M1457K probably benign Het
Zfhx2 A G 14: 55,311,258 (GRCm39) C479R possibly damaging Het
Zfp420 T A 7: 29,574,964 (GRCm39) C395S probably damaging Het
Zfp740 A G 15: 102,121,094 (GRCm39) T136A possibly damaging Het
Zfp82 C T 7: 29,755,754 (GRCm39) E443K probably damaging Het
Zranb2 A G 3: 157,247,400 (GRCm39) S193G probably benign 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
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'- TGCCATTTGTAGAACAACCCCTCC -3'
(R):5'- TTTCACATTCGACTCTCAGAGCGG -3'

Sequencing Primer
(F):5'- ATGAGGTCGCACACATGC -3'
(R):5'- GGTGCAGGGGCAGTCTATC -3'
Posted On 2014-08-20