Incidental Mutation 'R1556:Grin2a'
ID 170302
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 039595-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R1556 (G1)
Quality Score 225
Status Not validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 9525579 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 337 (F337L)
Ref Sequence ENSEMBL: ENSMUSP00000142900 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032331] [ENSMUST00000115835] [ENSMUST00000199708]
AlphaFold P35436
Predicted Effect probably benign
Transcript: ENSMUST00000032331
AA Change: F337L

PolyPhen 2 Score 0.177 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: F337L

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 benign
Transcript: ENSMUST00000115835
AA Change: F337L

PolyPhen 2 Score 0.177 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: F337L

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 benign
Transcript: ENSMUST00000199708
AA Change: F337L

PolyPhen 2 Score 0.177 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: F337L

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: 99.0%
  • 3x: 98.1%
  • 10x: 95.4%
  • 20x: 89.3%
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700030K09Rik T C 8: 73,203,477 (GRCm39) S302P probably damaging Het
Anapc1 T C 2: 128,466,819 (GRCm39) T1626A probably benign Het
Arhgef6 T C X: 56,383,922 (GRCm39) M5V probably benign Het
Arid5a T A 1: 36,359,245 (GRCm39) Y520* probably null Het
Aven G A 2: 112,461,230 (GRCm39) M215I probably damaging Het
Cabyr A G 18: 12,877,837 (GRCm39) D58G probably damaging Het
Ccdc146 A G 5: 21,535,551 (GRCm39) Y168H probably damaging Het
Ccnd2 A T 6: 127,107,363 (GRCm39) S269T probably benign Het
Cd68 T A 11: 69,556,676 (GRCm39) T44S probably damaging Het
Clstn2 A T 9: 97,338,558 (GRCm39) I867N probably benign Het
Cmss1 C T 16: 57,136,560 (GRCm39) R104H probably benign Het
Col6a6 A G 9: 105,586,672 (GRCm39) V1783A possibly damaging Het
Dach2 T C X: 112,208,214 (GRCm39) S31P probably benign Het
Dpp8 T A 9: 64,958,761 (GRCm39) W279R probably damaging Het
Fras1 A T 5: 96,890,921 (GRCm39) I2817F possibly damaging Het
Gabrr3 G A 16: 59,281,763 (GRCm39) D373N probably benign Het
Gdf7 T C 12: 8,351,698 (GRCm39) N79S unknown Het
Gpam A G 19: 55,064,763 (GRCm39) V647A possibly damaging Het
Gpatch1 T C 7: 34,994,776 (GRCm39) T497A probably benign Het
Gtf3c3 C T 1: 54,456,937 (GRCm39) A488T probably damaging Het
H2-Aa A T 17: 34,503,390 (GRCm39) V69D possibly damaging Het
H2-M10.5 T C 17: 37,084,205 (GRCm39) Y56H probably damaging Het
Kcnu1 G A 8: 26,351,219 (GRCm39) probably null Het
Krt77 A G 15: 101,769,713 (GRCm39) S386P probably damaging Het
L3mbtl2 T A 15: 81,566,203 (GRCm39) M342K probably benign Het
Ldlrad1 A G 4: 107,075,010 (GRCm39) T186A probably benign Het
Lins1 C A 7: 66,360,385 (GRCm39) C168* probably null Het
Lrrtm3 G A 10: 63,923,928 (GRCm39) T413M probably damaging Het
Macf1 T C 4: 123,348,813 (GRCm39) D4038G probably damaging Het
Mark3 T G 12: 111,594,275 (GRCm39) N308K probably damaging Het
Mdga2 T A 12: 66,597,367 (GRCm39) Y709F possibly damaging Het
Mtus2 T A 5: 148,014,198 (GRCm39) S330R probably benign Het
Or1p1 T A 11: 74,179,762 (GRCm39) C97S probably damaging Het
Or4k15c G A 14: 50,321,916 (GRCm39) A74V possibly damaging Het
Or51a24 T A 7: 103,733,468 (GRCm39) H273L probably benign Het
Or6c76 T C 10: 129,612,242 (GRCm39) V168A probably benign Het
Ovgp1 A G 3: 105,894,068 (GRCm39) probably benign Het
P4ha2 A G 11: 54,015,836 (GRCm39) T408A probably damaging Het
Pcdh8 T G 14: 80,007,843 (GRCm39) D240A probably damaging Het
Pcyt2 T C 11: 120,502,911 (GRCm39) probably null Het
Pecr T A 1: 72,298,542 (GRCm39) I293L probably benign Het
Pogk A G 1: 166,226,402 (GRCm39) V583A possibly damaging Het
Prkg1 T C 19: 30,602,143 (GRCm39) K371R probably benign Het
Psmd2 T A 16: 20,474,335 (GRCm39) M297K possibly damaging Het
Rgs12 A G 5: 35,196,626 (GRCm39) R769G possibly damaging Het
Sgtb T A 13: 104,276,284 (GRCm39) N237K probably damaging Het
Sh3bgrl2 T C 9: 83,476,751 (GRCm39) V91A probably damaging Het
Slc4a1ap G A 5: 31,691,554 (GRCm39) probably null Het
Slc4a7 T C 14: 14,778,872 (GRCm38) V940A probably benign Het
Tep1 T C 14: 51,090,499 (GRCm39) T740A probably benign Het
Tnk2 G T 16: 32,489,737 (GRCm39) probably null Het
Trpv2 A G 11: 62,483,059 (GRCm39) Y450C probably damaging Het
Tut7 T C 13: 59,948,054 (GRCm39) T354A probably benign Het
Tvp23a A T 16: 10,264,862 (GRCm39) D16E probably damaging Het
Twnk T C 19: 44,997,850 (GRCm39) F460L possibly damaging Het
Unc80 C T 1: 66,560,740 (GRCm39) H823Y possibly damaging Het
Urb2 T C 8: 124,757,356 (GRCm39) L1021P probably damaging Het
Vps13c T C 9: 67,837,993 (GRCm39) Y1848H probably damaging Het
Vwa8 T G 14: 79,324,121 (GRCm39) N1141K probably benign Het
Yipf3 A G 17: 46,561,793 (GRCm39) Y200C probably damaging Het
Zbtb38 A G 9: 96,569,044 (GRCm39) V680A probably benign Het
Znrf3 T C 11: 5,231,347 (GRCm39) E722G probably benign Het
Zzef1 T A 11: 72,806,059 (GRCm39) L2665H 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
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'- ATCCCTGATGGGCTATGAGGACAG -3'
(R):5'- TCCTAATAGGTCCAGAGTTGCAGGC -3'

Sequencing Primer
(F):5'- ACTTGCCTGTCTCAGAAAGG -3'
(R):5'- GGCTCTATATGATGATAAGCAATGGC -3'
Posted On 2014-04-13