Incidental Mutation 'R4342:Grin2a'
ID 324203
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 041100-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R4342 (G1)
Quality Score 225
Status Validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 9471453 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 605 (I605T)
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: I605T

PolyPhen 2 Score 0.518 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: I605T

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: I605T

PolyPhen 2 Score 0.518 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: I605T

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: I605T

PolyPhen 2 Score 0.518 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: I605T

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 0.4534 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency 99% (68/69)
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
Aars2 T C 17: 45,827,421 (GRCm39) C488R probably benign Het
Adamts19 A T 18: 59,075,572 (GRCm39) H489L probably damaging Het
Ahnak T C 19: 8,989,447 (GRCm39) V3577A possibly damaging Het
Ajm1 A G 2: 25,469,120 (GRCm39) Y264H possibly damaging Het
Arhgap44 G A 11: 64,902,887 (GRCm39) R401* probably null Het
Cbx3-ps2 T C 13: 65,707,502 (GRCm39) noncoding transcript Het
Ccdc174 T A 6: 91,862,337 (GRCm39) L86* probably null Het
Cd38 A C 5: 44,026,431 (GRCm39) I72L probably benign Het
Cers4 T C 8: 4,571,223 (GRCm39) L264P probably damaging Het
Cldn23 A G 8: 36,292,652 (GRCm39) S279P probably benign Het
Cth T A 3: 157,630,613 (GRCm39) T19S probably damaging Het
Dnajc22 T A 15: 99,002,345 (GRCm39) L330* probably null Het
Epas1 G A 17: 87,131,228 (GRCm39) C336Y probably damaging Het
Evi5l A C 8: 4,233,492 (GRCm39) probably benign Het
Fbxl2 A T 9: 113,814,374 (GRCm39) H272Q probably benign Het
Fgd3 C T 13: 49,427,185 (GRCm39) probably null Het
Fhdc1 C A 3: 84,352,133 (GRCm39) V1031F probably benign Het
Fscn1 T C 5: 142,957,776 (GRCm39) Y308H probably damaging Het
Garin3 A G 11: 46,298,043 (GRCm39) D449G possibly damaging Het
Gm5878 G A 6: 85,102,633 (GRCm39) R31* probably null Het
Gpatch2l T C 12: 86,307,453 (GRCm39) V277A probably benign Het
Greb1l T A 18: 10,544,561 (GRCm39) M1385K probably benign Het
Hoxc11 C T 15: 102,863,106 (GRCm39) S49F probably damaging Het
Igf2r C T 17: 12,928,398 (GRCm39) E982K possibly damaging Het
Ighv10-3 A T 12: 114,487,124 (GRCm39) M99K possibly damaging Het
Itgb4 A T 11: 115,879,555 (GRCm39) T614S probably benign Het
Kcnv1 G A 15: 44,977,840 (GRCm39) T66M probably damaging Het
Mast4 A G 13: 102,910,756 (GRCm39) V461A probably damaging Het
Mcts2 G A 2: 152,529,584 (GRCm39) V132M probably damaging Het
Mical3 C A 6: 120,911,799 (GRCm39) E1083* probably null Het
Nbeal2 A G 9: 110,460,861 (GRCm39) probably benign Het
Nek4 T C 14: 30,675,863 (GRCm39) V66A probably damaging Het
Nfasc A G 1: 132,559,443 (GRCm39) F229S probably damaging Het
Nhsl1 T C 10: 18,402,437 (GRCm39) F1221S probably damaging Het
Nr1d1 T G 11: 98,662,640 (GRCm39) K118Q probably damaging Het
Ntaq1 T C 15: 58,016,110 (GRCm39) S120P probably benign Het
Ntm T C 9: 29,020,727 (GRCm39) E164G probably damaging Het
Or51a7 A G 7: 102,615,231 (GRCm39) N308S probably benign Het
Parp1 G T 1: 180,414,894 (GRCm39) A411S probably benign Het
Pds5b A G 5: 150,724,319 (GRCm39) T1301A probably benign Het
Pkhd1 A G 1: 20,128,841 (GRCm39) V3954A probably benign Het
Pkp4 A T 2: 59,180,952 (GRCm39) K739I probably damaging Het
Pla2g4e T C 2: 120,016,927 (GRCm39) probably benign Het
Plod3 G C 5: 137,017,000 (GRCm39) A50P probably benign Het
Ralgds T C 2: 28,442,107 (GRCm39) L96P probably damaging Het
Rbm6 A T 9: 107,724,446 (GRCm39) probably benign Het
Scp2d1 T C 2: 144,666,087 (GRCm39) L142P probably damaging Het
Setd5 AT ATT 6: 113,088,281 (GRCm39) probably benign Het
Sgf29 G A 7: 126,270,949 (GRCm39) C143Y probably damaging Het
Slc22a12 A G 19: 6,591,129 (GRCm39) I156T probably benign Het
Stambpl1 A G 19: 34,211,446 (GRCm39) Q169R probably benign Het
Tex2 T C 11: 106,457,832 (GRCm39) probably benign Het
Trip11 A T 12: 101,850,575 (GRCm39) I878N probably damaging Het
Ttf1 C T 2: 28,955,488 (GRCm39) S284L probably benign Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Ugt2b5 A T 5: 87,287,582 (GRCm39) V195E probably damaging Het
Vmn1r14 T A 6: 57,210,808 (GRCm39) Y85N probably benign Het
Zfp131 C T 13: 120,237,554 (GRCm39) R268H 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
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'- ACCTTCTTGTCACTGAGGCC -3'
(R):5'- GGCATGCTTTTAACTTCCAGCC -3'

Sequencing Primer
(F):5'- TGAGGCCAGTCACTTGGTC -3'
(R):5'- AGCCCTCTAATGCTACCAGG -3'
Posted On 2015-06-24