Incidental Mutation 'R9203:Grm4'
ID 698348
Institutional Source Beutler Lab
Gene Symbol Grm4
Ensembl Gene ENSMUSG00000063239
Gene Name glutamate receptor, metabotropic 4
Synonyms Gprc1d, mGluR4
MMRRC Submission
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9203 (G1)
Quality Score 225.009
Status Not validated
Chromosome 17
Chromosomal Location 27641361-27732800 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 27653980 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 657 (I657V)
Ref Sequence ENSEMBL: ENSMUSP00000112578 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000118161] [ENSMUST00000118489] [ENSMUST00000231290] [ENSMUST00000231416] [ENSMUST00000231809] [ENSMUST00000232243]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000118161
AA Change: I657V

PolyPhen 2 Score 0.040 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000113819
Gene: ENSMUSG00000063239
AA Change: I657V

DomainStartEndE-ValueType
signal peptide 1 32 N/A INTRINSIC
Pfam:ANF_receptor 77 482 1.4e-110 PFAM
Pfam:Peripla_BP_6 144 486 9e-13 PFAM
Pfam:NCD3G 516 566 2.4e-14 PFAM
Pfam:7tm_3 599 844 7.6e-58 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000118489
AA Change: I657V

PolyPhen 2 Score 0.040 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000112578
Gene: ENSMUSG00000063239
AA Change: I657V

DomainStartEndE-ValueType
signal peptide 1 32 N/A INTRINSIC
Pfam:ANF_receptor 77 482 6.2e-104 PFAM
Pfam:Peripla_BP_6 144 486 8.3e-12 PFAM
Pfam:NCD3G 516 566 5.4e-15 PFAM
Pfam:7tm_3 597 817 1.9e-76 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000231290
AA Change: I657V

PolyPhen 2 Score 0.040 (Sensitivity: 0.94; Specificity: 0.83)
Predicted Effect probably benign
Transcript: ENSMUST00000231416
AA Change: I402V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
Predicted Effect probably benign
Transcript: ENSMUST00000231809
AA Change: I610V

PolyPhen 2 Score 0.015 (Sensitivity: 0.96; Specificity: 0.79)
Predicted Effect probably benign
Transcript: ENSMUST00000232243
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] L-glutamate is the major excitatory neurotransmitter in the central nervous system and activates both ionotropic and metabotropic glutamate receptors. Glutamatergic neurotransmission is involved in most aspects of normal brain function and can be perturbed in many neuropathologic conditions. The metabotropic glutamate receptors are a family of G protein-coupled receptors, that have been divided into 3 groups on the basis of sequence homology, putative signal transduction mechanisms, and pharmacologic properties. Group I includes GRM1 and GRM5 and these receptors have been shown to activate phospholipase C. Group II includes GRM2 and GRM3 while Group III includes GRM4, GRM6, GRM7 and GRM8. Group II and III receptors are linked to the inhibition of the cyclic AMP cascade but differ in their agonist selectivities. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2012]
PHENOTYPE: Homozygous mutation of theis gene results in impaired motor learning, and reduced paired-pulse facilitation and post-tetanic potential. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Anapc1 T C 2: 128,465,422 (GRCm39) H1686R possibly damaging Het
Ankrd33b A G 15: 31,298,028 (GRCm39) M243T probably benign Het
Appl1 G T 14: 26,682,970 (GRCm39) S104* probably null Het
Appl2 A T 10: 83,476,879 (GRCm39) Y48* probably null Het
Cacna1d T C 14: 29,773,669 (GRCm39) N1694S probably benign Het
Cc2d2a G T 5: 43,891,179 (GRCm39) D1372Y probably benign Het
Cdh4 C T 2: 179,422,196 (GRCm39) R107C probably damaging Het
Celsr1 G T 15: 85,917,286 (GRCm39) S229* probably null Het
Cfap54 T G 10: 92,880,990 (GRCm39) M358L probably benign Het
Csnka2ip T A 16: 64,298,630 (GRCm39) D578V unknown Het
Ctns T C 11: 73,082,563 (GRCm39) I56V probably benign Het
Dnah9 A G 11: 65,746,113 (GRCm39) I4000T possibly damaging Het
Dock2 A G 11: 34,622,366 (GRCm39) V91A possibly damaging Het
Dpep2 T C 8: 106,712,885 (GRCm39) H335R probably damaging Het
Eno1 C T 4: 150,332,539 (GRCm39) R400* probably null Het
Fam114a1 C A 5: 65,137,300 (GRCm39) P81H probably damaging Het
Gemin6 A G 17: 80,535,237 (GRCm39) T66A probably benign Het
H2ac22 T C 13: 21,971,057 (GRCm39) N111S probably benign Het
Has3 T C 8: 107,600,852 (GRCm39) C105R probably damaging Het
Hecw1 T C 13: 14,491,243 (GRCm39) E170G probably benign Het
Hoxd3 T C 2: 74,576,744 (GRCm39) V208A probably damaging Het
Hypk C T 2: 121,288,163 (GRCm39) Q75* probably null Het
Itpkb T A 1: 180,161,004 (GRCm39) W377R probably benign Het
Kbtbd2 A T 6: 56,755,987 (GRCm39) V583E probably damaging Het
Kdm5d A G Y: 940,981 (GRCm39) Y1122C probably damaging Het
Kif7 A C 7: 79,354,472 (GRCm39) L771R probably damaging Het
Krt9 C G 11: 100,079,734 (GRCm39) G553R unknown Het
Lama3 G A 18: 12,595,869 (GRCm39) A933T probably benign Het
Muc16 A G 9: 18,462,984 (GRCm39) I7406T unknown Het
Ndst4 C T 3: 125,518,385 (GRCm39) S354L probably benign Het
Ntng2 G T 2: 29,084,998 (GRCm39) C535* probably null Het
Omg A G 11: 79,393,051 (GRCm39) M269T probably benign Het
Or1x6 A T 11: 50,939,161 (GRCm39) T76S possibly damaging Het
Or52e3 A T 7: 102,869,862 (GRCm39) *312C probably null Het
Parp2 T C 14: 51,056,850 (GRCm39) S325P probably benign Het
Pclo C T 5: 14,728,528 (GRCm39) T2462M unknown Het
Pi4ka G T 16: 17,100,165 (GRCm39) H1912N Het
Piezo2 T C 18: 63,290,302 (GRCm39) I152M probably benign Het
Pigv A T 4: 133,392,990 (GRCm39) L60Q probably damaging Het
Plcz1 T A 6: 139,953,481 (GRCm39) K379* probably null Het
Poll T C 19: 45,542,091 (GRCm39) N405S probably benign Het
Pou6f2 T A 13: 18,303,615 (GRCm39) I467F Het
Pramel11 T A 4: 143,623,646 (GRCm39) N176I probably benign Het
Psg26 T C 7: 18,212,382 (GRCm39) I324M probably damaging Het
Ptprh T A 7: 4,574,970 (GRCm39) I350F probably damaging Het
Slpi C T 2: 164,196,817 (GRCm39) V126I probably benign Het
Smarca5 C T 8: 81,431,258 (GRCm39) W986* probably null Het
Sorcs1 A G 19: 50,250,733 (GRCm39) I366T probably damaging Het
Sv2c G T 13: 96,224,745 (GRCm39) S188* probably null Het
Sycp2 T C 2: 177,996,906 (GRCm39) K1099R probably damaging Het
Tdp2 C A 13: 25,020,916 (GRCm39) Y178* probably null Het
Trabd2b A G 4: 114,460,122 (GRCm39) E420G probably damaging Het
Uggt2 A T 14: 119,294,975 (GRCm39) H550Q probably benign Het
Vmn2r66 T C 7: 84,654,950 (GRCm39) K453R probably benign Het
Vsig10l A G 7: 43,112,657 (GRCm39) M1V probably null Het
Wdr70 G A 15: 7,902,684 (GRCm39) S646L probably benign Het
Zfp219 A T 14: 52,246,405 (GRCm39) S241T probably damaging Het
Zfp24 G A 18: 24,147,326 (GRCm39) H329Y probably damaging Het
Other mutations in Grm4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01154:Grm4 APN 17 27,653,711 (GRCm39) nonsense probably null
IGL02380:Grm4 APN 17 27,653,635 (GRCm39) missense probably damaging 1.00
IGL03244:Grm4 APN 17 27,653,797 (GRCm39) missense probably damaging 0.99
R0013:Grm4 UTSW 17 27,650,549 (GRCm39) missense probably benign 0.01
R0352:Grm4 UTSW 17 27,670,865 (GRCm39) splice site probably benign
R0599:Grm4 UTSW 17 27,650,464 (GRCm39) missense probably benign 0.39
R0616:Grm4 UTSW 17 27,653,538 (GRCm39) missense probably damaging 1.00
R0645:Grm4 UTSW 17 27,654,183 (GRCm39) missense probably damaging 1.00
R0726:Grm4 UTSW 17 27,657,412 (GRCm39) splice site probably benign
R1085:Grm4 UTSW 17 27,692,007 (GRCm39) missense probably damaging 1.00
R1486:Grm4 UTSW 17 27,653,691 (GRCm39) missense probably damaging 1.00
R1535:Grm4 UTSW 17 27,653,775 (GRCm39) missense probably benign 0.01
R1799:Grm4 UTSW 17 27,691,914 (GRCm39) missense probably damaging 0.99
R1914:Grm4 UTSW 17 27,653,686 (GRCm39) missense probably damaging 0.99
R2472:Grm4 UTSW 17 27,653,649 (GRCm39) missense probably damaging 1.00
R3759:Grm4 UTSW 17 27,654,273 (GRCm39) missense probably benign 0.00
R4244:Grm4 UTSW 17 27,721,709 (GRCm39) missense probably damaging 1.00
R5390:Grm4 UTSW 17 27,653,712 (GRCm39) missense probably damaging 1.00
R5476:Grm4 UTSW 17 27,653,772 (GRCm39) missense probably benign 0.04
R5516:Grm4 UTSW 17 27,657,385 (GRCm39) missense probably benign 0.06
R5897:Grm4 UTSW 17 27,654,137 (GRCm39) missense probably benign 0.02
R5956:Grm4 UTSW 17 27,654,129 (GRCm39) missense probably benign 0.01
R6391:Grm4 UTSW 17 27,654,294 (GRCm39) missense probably benign 0.00
R7330:Grm4 UTSW 17 27,653,798 (GRCm39) nonsense probably null
R7449:Grm4 UTSW 17 27,654,345 (GRCm39) missense probably damaging 1.00
R8338:Grm4 UTSW 17 27,653,977 (GRCm39) missense probably damaging 1.00
R8734:Grm4 UTSW 17 27,657,765 (GRCm39) missense probably damaging 1.00
R8899:Grm4 UTSW 17 27,653,754 (GRCm39) missense probably damaging 1.00
R9157:Grm4 UTSW 17 27,653,956 (GRCm39) missense probably benign 0.21
R9267:Grm4 UTSW 17 27,654,183 (GRCm39) missense possibly damaging 0.86
R9292:Grm4 UTSW 17 27,692,037 (GRCm39) missense probably damaging 1.00
R9344:Grm4 UTSW 17 27,653,737 (GRCm39) missense probably benign 0.09
R9578:Grm4 UTSW 17 27,669,183 (GRCm39) missense possibly damaging 0.56
R9746:Grm4 UTSW 17 27,657,765 (GRCm39) missense probably damaging 1.00
R9762:Grm4 UTSW 17 27,721,688 (GRCm39) missense probably damaging 1.00
Z1177:Grm4 UTSW 17 27,669,195 (GRCm39) missense probably benign 0.12
Z1177:Grm4 UTSW 17 27,669,168 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- CAAGCAACTGCAGCGAGATG -3'
(R):5'- ATACCCATTGTCAAGTTGGAGTG -3'

Sequencing Primer
(F):5'- CAACTGCAGCGAGATGAGGAC -3'
(R):5'- CATTGTCAAGTTGGAGTGGGACTC -3'
Posted On 2022-02-07