Incidental Mutation 'R8823:Grin2a'
ID 673294
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 068656-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.463) question?
Stock # R8823 (G1)
Quality Score 225.009
Status Validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 9487758 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Isoleucine at position 380 (N380I)
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: N380I

PolyPhen 2 Score 0.956 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: N380I

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: N380I

PolyPhen 2 Score 0.956 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: N380I

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: N380I

PolyPhen 2 Score 0.956 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: N380I

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 100% (46/46)
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: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam24 T A 8: 41,133,228 (GRCm39) I232K probably benign Het
Ap5z1 T C 5: 142,460,191 (GRCm39) L506P probably benign Het
Atg5lrt A T 10: 95,972,633 (GRCm39) I57F possibly damaging Het
Ceacam20 A T 7: 19,705,429 (GRCm39) Y140F probably damaging Het
Chfr G A 5: 110,300,258 (GRCm39) R334H probably damaging Het
Emx2 A G 19: 59,447,880 (GRCm39) H78R probably damaging Het
Etnppl G A 3: 130,420,195 (GRCm39) G204R probably damaging Het
Fah A G 7: 84,254,925 (GRCm39) F3L possibly damaging Het
Galnt12 G T 4: 47,091,928 (GRCm39) probably benign Het
Gbx1 A G 5: 24,710,051 (GRCm39) S265P probably damaging Het
Gm17087 A G 17: 8,785,233 (GRCm39) *157R probably null Het
Grip1 C T 10: 119,811,856 (GRCm39) T269I Het
Hace1 T C 10: 45,524,956 (GRCm39) Y241H probably damaging Het
Hrc A G 7: 44,985,722 (GRCm39) D291G possibly damaging Het
Ifi208 A G 1: 173,511,102 (GRCm39) Y419C probably damaging Het
Ighv8-5 A G 12: 115,031,267 (GRCm39) S91P probably damaging Het
Igkv15-103 T C 6: 68,414,855 (GRCm39) L98P probably damaging Het
Igsf5 C T 16: 96,222,939 (GRCm39) S61L possibly damaging Het
Ipo9 A G 1: 135,347,077 (GRCm39) W138R probably damaging Het
Kank4 A T 4: 98,668,240 (GRCm39) L69Q probably damaging Het
Kcnd3 T C 3: 105,574,330 (GRCm39) I505T probably benign Het
Lrtm2 T A 6: 119,294,193 (GRCm39) I313F probably damaging Het
Mug2 A T 6: 122,040,648 (GRCm39) I733F possibly damaging Het
Myh2 A T 11: 67,076,300 (GRCm39) R800S probably damaging Het
Myo1d A T 11: 80,492,571 (GRCm39) I728N possibly damaging Het
Or10a3n A G 7: 108,493,155 (GRCm39) I158T probably benign Het
Pdcd1 T C 1: 93,969,220 (GRCm39) R33G probably benign Het
Polr1b T C 2: 128,967,457 (GRCm39) F950S probably damaging Het
Prpf8 T A 11: 75,384,282 (GRCm39) M697K probably benign Het
Psmc2 T A 5: 22,005,574 (GRCm39) D218E probably damaging Het
Ptpn12 A G 5: 21,203,621 (GRCm39) Y386H probably damaging Het
Rilpl2 C T 5: 124,606,716 (GRCm39) R166K possibly damaging Het
Rtn4 T A 11: 29,656,609 (GRCm39) N254K probably benign Het
Selplg GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT 5: 113,957,756 (GRCm39) probably benign Het
Sesn3 T A 9: 14,221,536 (GRCm39) probably benign Het
Slc35b2 T A 17: 45,877,894 (GRCm39) H291Q probably damaging Het
Slc38a3 A C 9: 107,533,150 (GRCm39) Y308D probably damaging Het
Snrpd2 T C 7: 18,886,535 (GRCm39) V106A probably benign Het
Sybu C A 15: 44,540,998 (GRCm39) A355S possibly damaging Het
Tes3-ps A T 13: 49,647,692 (GRCm39) R189S probably benign Het
Trmo T C 4: 46,382,604 (GRCm39) D164G probably damaging Het
Vmn1r225 A G 17: 20,722,823 (GRCm39) Q88R probably benign Het
Xkr9 T C 1: 13,742,832 (GRCm39) V39A probably benign Het
Xpo1 A T 11: 23,217,752 (GRCm39) M73L probably benign Het
Zbtb21 G A 16: 97,752,516 (GRCm39) T589I probably damaging Het
Zbtb41 A G 1: 139,350,892 (GRCm39) K2E probably damaging Het
Zfp105 A G 9: 122,759,568 (GRCm39) K413R possibly 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
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
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'- ACAAACTTCCGACAGGGTAC -3'
(R):5'- GCCTCCAGAAGTACACGTTAG -3'

Sequencing Primer
(F):5'- TACCGTGTTCCTGACGCAG -3'
(R):5'- TCCAGAAGTACACGTTAGTCATC -3'
Posted On 2021-07-15