Incidental Mutation 'R7990:Grin2a'
ID 651705
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 046031-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R7990 (G1)
Quality Score 225.009
Status Not validated
Chromosome 16
Chromosomal Location 9385762-9813424 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 9397040 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 1016 (K1016E)
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: K1016E

PolyPhen 2 Score 0.707 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000032331
Gene: ENSMUSG00000059003
AA Change: K1016E

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: K1016E

PolyPhen 2 Score 0.707 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000111501
Gene: ENSMUSG00000059003
AA Change: K1016E

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: K1016E

PolyPhen 2 Score 0.707 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000142900
Gene: ENSMUSG00000059003
AA Change: K1016E

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: 99.6%
  • 20x: 98.7%
Validation Efficiency 100% (50/50)
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
4933434E20Rik G A 3: 89,970,549 (GRCm39) V28I probably damaging Het
Abcd4 G T 12: 84,651,162 (GRCm39) probably null Het
Alg2 T C 4: 47,472,308 (GRCm39) T167A probably damaging Het
Asap1 T C 15: 64,044,586 (GRCm39) probably null Het
Atad5 T A 11: 80,024,079 (GRCm39) C1730* probably null Het
Atp8b1 T C 18: 64,671,748 (GRCm39) T1092A possibly damaging Het
C130050O18Rik A G 5: 139,400,672 (GRCm39) T242A probably benign Het
Ccdc88c A G 12: 100,934,244 (GRCm39) V211A probably damaging Het
Ccnl1 A G 3: 65,854,314 (GRCm39) S436P possibly damaging Het
Cgnl1 T C 9: 71,632,547 (GRCm39) E268G probably damaging Het
Clca4b T G 3: 144,634,103 (GRCm39) D104A probably damaging Het
Col6a3 T G 1: 90,709,577 (GRCm39) K2480T unknown Het
Cryba1 T C 11: 77,614,411 (GRCm39) T21A possibly damaging Het
Csn1s1 C T 5: 87,827,912 (GRCm39) A259V possibly damaging Het
Dap3 A C 3: 88,835,814 (GRCm39) Y206* probably null Het
Etnppl T C 3: 130,424,308 (GRCm39) I360T possibly damaging Het
Gal3st3 A T 19: 5,352,617 (GRCm39) M15L probably benign Het
Gdf5 A G 2: 155,783,749 (GRCm39) V401A probably damaging Het
Gm1110 A G 9: 26,792,137 (GRCm39) S628P possibly damaging Het
Gm9493 A T 19: 23,597,397 (GRCm39) I98F possibly damaging Het
Hdac9 T C 12: 34,265,452 (GRCm39) N850D probably benign Het
Itsn2 C A 12: 4,685,629 (GRCm39) L466I unknown Het
Jkampl T C 6: 73,446,528 (GRCm39) Y7C probably damaging Het
Kcnj16 C A 11: 110,915,886 (GRCm39) R183S probably damaging Het
Kcnk2 A C 1: 188,942,102 (GRCm39) L389R probably damaging Het
Kdm4c A C 4: 74,309,685 (GRCm39) K949N probably damaging Het
Kif3b G A 2: 153,159,383 (GRCm39) E395K probably benign Het
Ldlrad1 G A 4: 107,066,688 (GRCm39) A8T probably benign Het
Map3k1 A T 13: 111,892,696 (GRCm39) M853K probably benign Het
Metap1 T G 3: 138,186,526 (GRCm39) T68P probably benign Het
Mfsd11 T C 11: 116,750,323 (GRCm39) V114A possibly damaging Het
Mroh1 G A 15: 76,336,475 (GRCm39) R1566H probably damaging Het
Msh4 A T 3: 153,602,529 (GRCm39) M233K probably damaging Het
Ncor1 T G 11: 62,240,321 (GRCm39) probably null Het
Npl A T 1: 153,413,230 (GRCm39) V29D possibly damaging Het
Or1e29 C T 11: 73,667,497 (GRCm39) V219I probably benign Het
Osmr T C 15: 6,881,948 (GRCm39) I65M possibly damaging Het
Rabepk C T 2: 34,670,720 (GRCm39) V247I probably benign Het
Rere C T 4: 150,699,327 (GRCm39) P804S unknown Het
Rpgrip1 A T 14: 52,366,975 (GRCm39) Y265F possibly damaging Het
Slc10a1 T C 12: 81,000,554 (GRCm39) D315G probably benign Het
Smc5 A T 19: 23,213,246 (GRCm39) N555K probably benign Het
Spata17 T A 1: 186,872,592 (GRCm39) H26L unknown Het
Sphkap C T 1: 83,245,066 (GRCm39) D1518N probably damaging Het
Sult2a6 A T 7: 13,959,795 (GRCm39) M246K possibly damaging Het
Tmx2 A G 2: 84,506,480 (GRCm39) F71L probably damaging Het
Ush2a T A 1: 188,274,996 (GRCm39) L1823Q probably benign Het
Virma T A 4: 11,513,983 (GRCm39) D612E probably benign Het
Wdfy4 A T 14: 32,819,752 (GRCm39) L1484Q Het
Zan A G 5: 137,391,352 (GRCm39) S4711P unknown Het
Zdhhc1 A G 8: 106,203,001 (GRCm39) probably null Het
Zfp971 C T 2: 177,675,361 (GRCm39) T320I 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
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
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'- ATTATCTGGCTCCCTGTGGC -3'
(R):5'- TGGACATGGTTTCAGACAAGG -3'

Sequencing Primer
(F):5'- TCCCTGTGGCATGTGGC -3'
(R):5'- CTCAGATAACAGGTCCTTTCAAGGG -3'
Posted On 2020-09-15