Incidental Mutation 'R4741:Grin2a'
ID 358101
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 042026-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R4741 (G1)
Quality Score 225
Status Not validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 9481376 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 475 (Y475C)
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: Y475C

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: Y475C

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: Y475C

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: Y475C

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 damaging
Transcript: ENSMUST00000199708
AA Change: Y475C

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: Y475C

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: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 94.1%
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Angptl2 T C 2: 33,136,200 (GRCm39) Y462H probably benign Het
Arhgef12 A G 9: 42,883,449 (GRCm39) I1360T possibly damaging Het
Armc10 T G 5: 21,856,834 (GRCm39) L111R probably damaging Het
Atm T C 9: 53,364,907 (GRCm39) K2628E probably benign Het
Best3 A T 10: 116,859,901 (GRCm39) N387I probably benign Het
Bltp1 A G 3: 36,996,524 (GRCm39) T1079A probably damaging Het
Brpf3 T C 17: 29,036,758 (GRCm39) F721S possibly damaging Het
Cacna1c A G 6: 118,590,271 (GRCm39) S1411P probably damaging Het
Cldn8 G A 16: 88,359,296 (GRCm39) H210Y probably benign Het
Clip2 T A 5: 134,545,123 (GRCm39) T344S probably benign Het
Csmd1 A C 8: 15,960,447 (GRCm39) W3323G probably damaging Het
Doc2a A T 7: 126,450,617 (GRCm39) T298S possibly damaging Het
Dpp9 T C 17: 56,512,286 (GRCm39) N234S probably benign Het
Dtx2 C T 5: 136,055,371 (GRCm39) R353C probably benign Het
Epm2aip1 A G 9: 111,101,681 (GRCm39) H218R probably benign Het
F2rl1 G A 13: 95,650,651 (GRCm39) T77M probably damaging Het
Fsd2 A G 7: 81,201,643 (GRCm39) probably null Het
H2-Ob T A 17: 34,461,545 (GRCm39) S95T possibly damaging Het
Hddc3 A G 7: 79,995,464 (GRCm39) T160A probably benign Het
Hp A T 8: 110,302,104 (GRCm39) C281* probably null Het
Ighg1 T C 12: 113,290,178 (GRCm39) probably benign Het
Ints7 A G 1: 191,351,747 (GRCm39) I819V probably benign Het
Jam2 G A 16: 84,609,840 (GRCm39) V151M probably damaging Het
Jmjd1c A G 10: 67,060,718 (GRCm39) I737V possibly damaging Het
Krt74 C T 15: 101,669,876 (GRCm39) noncoding transcript Het
Lnpep T C 17: 17,791,920 (GRCm39) Y407C probably damaging Het
Lrp4 T G 2: 91,341,912 (GRCm39) C1842G probably damaging Het
Mug2 T A 6: 122,056,572 (GRCm39) N1172K probably benign Het
Npy6r A T 18: 44,408,791 (GRCm39) T71S probably damaging Het
Nsd3 A T 8: 26,163,382 (GRCm39) I591F probably damaging Het
Oog2 A C 4: 143,921,715 (GRCm39) E208D possibly damaging Het
Otogl A G 10: 107,615,121 (GRCm39) I1928T probably benign Het
Papss1 T C 3: 131,324,860 (GRCm39) L418P probably damaging Het
Pcdhb13 T A 18: 37,576,571 (GRCm39) D316E probably benign Het
Pcdhgb2 T A 18: 37,824,737 (GRCm39) probably null Het
Ptcd3 T A 6: 71,879,933 (GRCm39) L108F probably damaging Het
Ralgps1 T C 2: 33,226,599 (GRCm39) S31G probably benign Het
Rnf225 A T 7: 12,661,857 (GRCm39) H12L probably benign Het
Ryr3 T A 2: 112,633,613 (GRCm39) M2047L probably damaging Het
Secisbp2l C T 2: 125,582,657 (GRCm39) G933D possibly damaging Het
Serpinb3b G T 1: 107,082,200 (GRCm39) Q355K probably benign Het
Slc8a2 T A 7: 15,868,233 (GRCm39) F155Y probably damaging Het
Taf1c A G 8: 120,330,134 (GRCm39) probably benign Het
Tln2 A G 9: 67,293,837 (GRCm39) probably null Het
Tmpo A G 10: 90,998,506 (GRCm39) V427A probably benign Het
Vmn1r17 A T 6: 57,338,337 (GRCm39) Y9* probably null Het
Vmn2r63 C T 7: 42,577,544 (GRCm39) M331I probably benign Het
Zdhhc1 CGGGGG CGGGGGG 8: 106,210,376 (GRCm39) probably null Het
Zfand5 C T 19: 21,253,845 (GRCm39) T16I probably damaging Het
Zfp352 A T 4: 90,113,177 (GRCm39) K439M possibly damaging Het
Zfp786 G A 6: 47,797,625 (GRCm39) H438Y probably damaging Het
Zfp808 T A 13: 62,319,763 (GRCm39) C331S 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
R4342:Grin2a UTSW 16 9,471,453 (GRCm39) missense possibly damaging 0.52
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'- TCGTTGATAGACCACCTGGA -3'
(R):5'- ACAACTCTCTTCCCCTTTATGAG -3'

Sequencing Primer
(F):5'- CGTTGATAGACCACCTGGATGGAAG -3'
(R):5'- CCCTTTATGAGTTTCAACATCTCATC -3'
Posted On 2015-11-11