Incidental Mutation 'R7979:Grik2'
ID 651089
Institutional Source Beutler Lab
Gene Symbol Grik2
Ensembl Gene ENSMUSG00000056073
Gene Name glutamate receptor, ionotropic, kainate 2 (beta 2)
Synonyms Glur6, C130030K03Rik, Glurbeta2, Glur-6
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7979 (G1)
Quality Score 225.009
Status Not validated
Chromosome 10
Chromosomal Location 48970929-49664862 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 49280438 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 438 (I438V)
Ref Sequence ENSEMBL: ENSMUSP00000101124 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079751] [ENSMUST00000105484] [ENSMUST00000218441] [ENSMUST00000218598] [ENSMUST00000218669] [ENSMUST00000218823]
AlphaFold P39087
Predicted Effect probably benign
Transcript: ENSMUST00000079751
AA Change: I438V

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000078687
Gene: ENSMUSG00000056073
AA Change: I438V

DomainStartEndE-ValueType
Pfam:Peripla_BP_6 44 386 1.8e-11 PFAM
Pfam:ANF_receptor 52 395 8.3e-75 PFAM
PBPe 432 801 5.6e-131 SMART
Lig_chan-Glu_bd 442 507 3.81e-34 SMART
Blast:PBPe 809 855 2e-12 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000105484
AA Change: I438V

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000101124
Gene: ENSMUSG00000056073
AA Change: I438V

DomainStartEndE-ValueType
Pfam:Peripla_BP_6 46 386 5e-11 PFAM
Pfam:ANF_receptor 52 395 9.7e-80 PFAM
PBPe 432 801 5.6e-131 SMART
Lig_chan-Glu_bd 442 507 3.81e-34 SMART
Blast:PBPe 809 855 1e-12 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000218441
AA Change: I438V

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
Predicted Effect probably benign
Transcript: ENSMUST00000218598
AA Change: I438V

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
Predicted Effect probably benign
Transcript: ENSMUST00000218669
AA Change: I151V

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
Predicted Effect probably benign
Transcript: ENSMUST00000218823
AA Change: I438V

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency
MGI Phenotype FUNCTION: Glutamate receptors are the predominant excitatory neurotransmitter receptors in the mammalian brain and are activated in a variety of normal neurophysiologic processes. This gene product belongs to the kainate family of glutamate receptors, which are composed of four subunits and function as ligand-activated ion channels. The subunit encoded by this gene is subject to RNA editing at multiple sites within the first and second transmembrane domains, which is thought to alter the structure and function of the receptor complex. Alternatively spliced transcript variants encoding different isoforms have also been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit hippocampal neurons with reduced sensitivity to kainate and reduced susceptibility to the seizure-inducing effects of kainate administration. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam22 A T 5: 8,186,804 (GRCm39) probably null Het
Ahnak A T 19: 8,988,796 (GRCm39) D3360V probably damaging Het
Akap9 T C 5: 4,100,381 (GRCm39) L2681P probably benign Het
Ankrd52 C A 10: 128,217,857 (GRCm39) A279E probably damaging Het
Arhgef4 T C 1: 34,760,978 (GRCm39) L78P unknown Het
Cfap300 T A 9: 8,027,111 (GRCm39) E142D possibly damaging Het
Chpf A T 1: 75,453,904 (GRCm39) C291* probably null Het
Cr1l T C 1: 194,800,030 (GRCm39) T215A probably damaging Het
Ctc1 A T 11: 68,918,209 (GRCm39) K444* probably null Het
Dscaml1 T C 9: 45,595,029 (GRCm39) S711P probably damaging Het
Elavl4 A T 4: 110,068,845 (GRCm39) V176D probably benign Het
Faim2 A G 15: 99,408,515 (GRCm39) V251A possibly damaging Het
Fancg A G 4: 43,004,963 (GRCm39) I410T probably damaging Het
Frmd3 G A 4: 74,071,852 (GRCm39) V245I probably damaging Het
Gls T C 1: 52,230,271 (GRCm39) H480R probably damaging Het
Gm30191 A G 4: 133,977,223 (GRCm39) D145G possibly damaging Het
Klhl3 G T 13: 58,211,611 (GRCm39) Q197K probably benign Het
Krt42 G C 11: 100,155,865 (GRCm39) R294G possibly damaging Het
Mmp23 G A 4: 155,736,462 (GRCm39) T193I possibly damaging Het
Mmrn1 T C 6: 60,952,961 (GRCm39) V414A probably damaging Het
Mmrn2 C T 14: 34,118,138 (GRCm39) Q61* probably null Het
Mprip G A 11: 59,657,682 (GRCm39) R852H probably damaging Het
Nars2 A C 7: 96,711,868 (GRCm39) N461T probably damaging Het
Nomo1 A G 7: 45,690,986 (GRCm39) N124S probably null Het
Or1e17 G T 11: 73,831,401 (GRCm39) V110F probably benign Het
Or1j17 A G 2: 36,578,106 (GRCm39) I31V probably benign Het
Peak1 T A 9: 56,114,676 (GRCm39) N1422Y possibly damaging Het
Perm1 TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT 4: 156,302,525 (GRCm39) probably benign Het
Pfkm G A 15: 98,026,117 (GRCm39) E571K probably damaging Het
Ptpn2 A T 18: 67,814,641 (GRCm39) C123S possibly damaging Het
Raph1 G A 1: 60,565,148 (GRCm39) T113I probably benign Het
Rsf1 A G 7: 97,334,920 (GRCm39) E1351G Het
Serinc4 C T 2: 121,285,793 (GRCm39) V163I probably benign Het
Slc7a2 G T 8: 41,357,541 (GRCm39) G270C probably damaging Het
Smc2 G A 4: 52,450,857 (GRCm39) R225Q probably damaging Het
Tas2r140 T C 6: 40,468,601 (GRCm39) S144P probably damaging Het
Tcl1b4 A T 12: 105,168,865 (GRCm39) H43L probably benign Het
Tmem156 T C 5: 65,237,352 (GRCm39) T103A possibly damaging Het
Tns3 A T 11: 8,442,701 (GRCm39) M554K probably benign Het
Tpp2 A T 1: 43,979,297 (GRCm39) I65F probably benign Het
Trank1 T A 9: 111,206,967 (GRCm39) M1700K probably benign Het
Ttc39c T A 18: 12,866,022 (GRCm39) H473Q probably benign Het
Vmn2r68 A C 7: 84,883,625 (GRCm39) probably null Het
Wnk1 T C 6: 120,014,409 (GRCm39) D62G probably damaging Het
Wnk2 A T 13: 49,248,884 (GRCm39) M389K probably damaging Het
Zfp292 G A 4: 34,809,198 (GRCm39) T1287M probably benign Het
Zfp451 G A 1: 33,821,219 (GRCm39) S211L probably benign Het
Zfp710 T C 7: 79,738,327 (GRCm39) S626P unknown Het
Zfp787 C T 7: 6,146,094 (GRCm39) E16K probably damaging Het
Zfp788 G T 7: 41,284,324 (GRCm39) probably null Het
Other mutations in Grik2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00863:Grik2 APN 10 49,232,024 (GRCm39) missense possibly damaging 0.95
IGL00979:Grik2 APN 10 49,232,034 (GRCm39) missense probably damaging 1.00
IGL01012:Grik2 APN 10 49,149,052 (GRCm39) missense probably damaging 1.00
IGL01302:Grik2 APN 10 49,120,426 (GRCm39) missense probably damaging 0.99
IGL01657:Grik2 APN 10 49,404,082 (GRCm39) critical splice donor site probably null
IGL02162:Grik2 APN 10 49,298,671 (GRCm39) missense possibly damaging 0.77
IGL02317:Grik2 APN 10 49,298,711 (GRCm39) missense probably benign 0.16
IGL02512:Grik2 APN 10 49,232,008 (GRCm39) missense probably benign 0.00
IGL02650:Grik2 APN 10 48,977,331 (GRCm39) missense probably benign 0.03
IGL03283:Grik2 APN 10 49,454,365 (GRCm39) missense probably benign 0.00
BB004:Grik2 UTSW 10 49,116,890 (GRCm39) missense probably damaging 1.00
BB014:Grik2 UTSW 10 49,116,890 (GRCm39) missense probably damaging 1.00
R0325:Grik2 UTSW 10 49,116,821 (GRCm39) missense probably damaging 1.00
R0492:Grik2 UTSW 10 48,977,260 (GRCm39) missense probably damaging 0.99
R0601:Grik2 UTSW 10 49,298,693 (GRCm39) missense probably damaging 1.00
R0844:Grik2 UTSW 10 48,977,211 (GRCm39) missense possibly damaging 0.81
R1333:Grik2 UTSW 10 49,404,087 (GRCm39) missense probably damaging 0.98
R1499:Grik2 UTSW 10 49,008,871 (GRCm39) missense probably damaging 1.00
R1660:Grik2 UTSW 10 49,120,439 (GRCm39) nonsense probably null
R1721:Grik2 UTSW 10 49,399,842 (GRCm39) missense possibly damaging 0.93
R1966:Grik2 UTSW 10 49,232,005 (GRCm39) missense probably damaging 1.00
R1974:Grik2 UTSW 10 49,008,923 (GRCm39) missense possibly damaging 0.85
R2246:Grik2 UTSW 10 49,411,532 (GRCm39) missense probably damaging 1.00
R3103:Grik2 UTSW 10 49,116,868 (GRCm39) missense probably damaging 1.00
R3974:Grik2 UTSW 10 49,298,750 (GRCm39) missense probably damaging 1.00
R4592:Grik2 UTSW 10 49,298,711 (GRCm39) missense possibly damaging 0.48
R4658:Grik2 UTSW 10 49,399,888 (GRCm39) missense possibly damaging 0.71
R4748:Grik2 UTSW 10 49,411,437 (GRCm39) missense possibly damaging 0.87
R4935:Grik2 UTSW 10 49,116,826 (GRCm39) missense probably damaging 1.00
R4977:Grik2 UTSW 10 49,008,841 (GRCm39) missense probably damaging 1.00
R5103:Grik2 UTSW 10 49,372,205 (GRCm39) missense probably benign 0.33
R5330:Grik2 UTSW 10 49,008,867 (GRCm39) missense probably damaging 1.00
R5331:Grik2 UTSW 10 49,008,867 (GRCm39) missense probably damaging 1.00
R5736:Grik2 UTSW 10 49,280,506 (GRCm39) missense probably damaging 0.96
R5740:Grik2 UTSW 10 48,989,573 (GRCm39) missense probably damaging 0.99
R5747:Grik2 UTSW 10 49,399,870 (GRCm39) missense probably benign
R6015:Grik2 UTSW 10 49,399,959 (GRCm39) splice site probably null
R6311:Grik2 UTSW 10 49,454,234 (GRCm39) missense probably damaging 0.98
R6474:Grik2 UTSW 10 49,008,776 (GRCm39) missense probably benign
R6504:Grik2 UTSW 10 49,232,198 (GRCm39) missense probably damaging 1.00
R6591:Grik2 UTSW 10 49,149,021 (GRCm39) nonsense probably null
R6691:Grik2 UTSW 10 49,149,021 (GRCm39) nonsense probably null
R6776:Grik2 UTSW 10 49,232,085 (GRCm39) missense probably damaging 1.00
R7015:Grik2 UTSW 10 49,411,532 (GRCm39) missense probably damaging 1.00
R7094:Grik2 UTSW 10 49,232,012 (GRCm39) missense possibly damaging 0.75
R7153:Grik2 UTSW 10 49,411,463 (GRCm39) missense probably benign 0.00
R7229:Grik2 UTSW 10 48,977,512 (GRCm39) splice site probably null
R7402:Grik2 UTSW 10 49,411,493 (GRCm39) missense probably damaging 1.00
R7473:Grik2 UTSW 10 48,989,618 (GRCm39) missense probably benign 0.22
R7514:Grik2 UTSW 10 49,399,904 (GRCm39) missense probably damaging 0.99
R7526:Grik2 UTSW 10 49,399,918 (GRCm39) missense possibly damaging 0.56
R7657:Grik2 UTSW 10 49,659,247 (GRCm39) missense probably benign 0.11
R7681:Grik2 UTSW 10 49,120,476 (GRCm39) missense probably damaging 1.00
R7714:Grik2 UTSW 10 49,295,792 (GRCm39) missense probably damaging 0.97
R7927:Grik2 UTSW 10 49,116,890 (GRCm39) missense probably damaging 1.00
R7952:Grik2 UTSW 10 49,298,633 (GRCm39) missense probably benign 0.15
R8062:Grik2 UTSW 10 49,116,863 (GRCm39) missense probably damaging 1.00
R8222:Grik2 UTSW 10 49,449,744 (GRCm39) missense probably benign 0.29
R8406:Grik2 UTSW 10 49,148,863 (GRCm39) missense probably damaging 1.00
R9017:Grik2 UTSW 10 48,989,555 (GRCm39) missense possibly damaging 0.94
R9557:Grik2 UTSW 10 49,404,105 (GRCm39) missense probably damaging 1.00
RF008:Grik2 UTSW 10 49,120,480 (GRCm39) missense probably damaging 1.00
X0062:Grik2 UTSW 10 49,149,016 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GAAGCTGCTTTATCACTAGAAATGCC -3'
(R):5'- TGTAGCACTCTCTCACAGGTATC -3'

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