Incidental Mutation 'R1486:Grm4'
ID 163497
Institutional Source Beutler Lab
Gene Symbol Grm4
Ensembl Gene ENSMUSG00000063239
Gene Name glutamate receptor, metabotropic 4
Synonyms Gprc1d, mGluR4
MMRRC Submission 039539-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1486 (G1)
Quality Score 225
Status Not validated
Chromosome 17
Chromosomal Location 27641361-27732800 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 27653691 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 706 (L706P)
Ref Sequence ENSEMBL: ENSMUSP00000156352 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000118161] [ENSMUST00000118489] [ENSMUST00000231290] [ENSMUST00000231416] [ENSMUST00000231809] [ENSMUST00000232243]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000118161
AA Change: L753P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000113819
Gene: ENSMUSG00000063239
AA Change: L753P

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 damaging
Transcript: ENSMUST00000118489
AA Change: L753P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000112578
Gene: ENSMUSG00000063239
AA Change: L753P

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 damaging
Transcript: ENSMUST00000231290
AA Change: L753P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably damaging
Transcript: ENSMUST00000231416
AA Change: L498P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000231804
Predicted Effect probably damaging
Transcript: ENSMUST00000231809
AA Change: L706P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably benign
Transcript: ENSMUST00000232243
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.4%
  • 20x: 93.1%
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A730015C16Rik A G 4: 108,705,143 (GRCm39) E19G probably benign Het
A730018C14Rik T C 12: 112,382,129 (GRCm39) noncoding transcript Het
Acrbp T A 6: 125,027,585 (GRCm39) Y78N probably damaging Het
Adamtsl4 T C 3: 95,589,166 (GRCm39) S422G probably benign Het
Apba2 T C 7: 64,386,696 (GRCm39) V429A probably damaging Het
Atf6 A G 1: 170,622,260 (GRCm39) C454R probably damaging Het
Bhlhe40 T C 6: 108,641,890 (GRCm39) I278T probably damaging Het
Birc6 G T 17: 74,946,815 (GRCm39) V2845L probably damaging Het
Card11 T C 5: 140,862,274 (GRCm39) I1008V probably benign Het
Catsperg1 C A 7: 28,884,920 (GRCm39) K900N probably damaging Het
Cep20 A G 16: 14,118,004 (GRCm39) V172A probably benign Het
Chek2 T G 5: 110,989,093 (GRCm39) probably benign Het
Dnaaf9 A G 2: 130,579,338 (GRCm39) L633P probably damaging Het
Dnah9 A T 11: 65,725,098 (GRCm39) S4352T probably damaging Het
Eif3c C T 7: 126,163,893 (GRCm39) R50Q probably damaging Het
Eml6 A C 11: 29,755,114 (GRCm39) I887S possibly damaging Het
Gipc1 C T 8: 84,387,808 (GRCm39) Q63* probably null Het
Irak3 T C 10: 119,978,966 (GRCm39) D495G probably damaging Het
Itga9 T G 9: 118,455,518 (GRCm39) V64G probably damaging Het
Iws1 T C 18: 32,230,309 (GRCm39) I759T probably damaging Het
Kdm3b T A 18: 34,967,357 (GRCm39) F1721I probably damaging Het
Lrrc8c T A 5: 105,755,395 (GRCm39) V390E probably damaging Het
Mki67 G A 7: 135,301,449 (GRCm39) T1195I probably benign Het
Mphosph8 C T 14: 56,926,496 (GRCm39) T646I probably damaging Het
Ncdn A T 4: 126,642,391 (GRCm39) V422D probably damaging Het
Nrg1 T C 8: 32,308,372 (GRCm39) E548G probably damaging Het
Nt5el T C 13: 105,246,291 (GRCm39) V284A probably benign Het
Nup37 T C 10: 87,984,116 (GRCm39) Y11H probably damaging Het
Or1ad1 G A 11: 50,875,608 (GRCm39) V27I probably benign Het
Or51f1e A T 7: 102,747,637 (GRCm39) I230F probably damaging Het
Or52s19 T A 7: 103,008,201 (GRCm39) M67L possibly damaging Het
Or8j3c T A 2: 86,253,825 (GRCm39) H65L probably damaging Het
Pcgf1 T G 6: 83,056,107 (GRCm39) S70R probably damaging Het
Potefam1 T G 2: 111,030,703 (GRCm39) Q402P possibly damaging Het
Prps1l3 C T 12: 57,285,573 (GRCm39) A121V probably benign Het
Rasal1 T C 5: 120,792,917 (GRCm39) Y57H probably damaging Het
Rbm12b2 A G 4: 12,094,841 (GRCm39) R567G probably benign Het
Rep15 T A 6: 146,934,577 (GRCm39) F139I probably damaging Het
Ros1 T C 10: 52,048,954 (GRCm39) Y92C probably damaging Het
Sin3b A G 8: 73,477,141 (GRCm39) T803A probably benign Het
Skint11 G A 4: 114,052,015 (GRCm39) probably null Het
Sobp T G 10: 42,898,518 (GRCm39) S356R probably benign Het
Spats2l T C 1: 57,939,970 (GRCm39) I228T probably damaging Het
Sqor G A 2: 122,649,565 (GRCm39) probably null Het
Stox1 T C 10: 62,500,415 (GRCm39) D715G probably benign Het
Tln2 C A 9: 67,219,121 (GRCm39) G275W probably damaging Het
Tmc5 C T 7: 118,272,655 (GRCm39) P942S probably benign Het
Tor4a A T 2: 25,084,691 (GRCm39) I404N possibly damaging Het
Ttc3 G A 16: 94,248,988 (GRCm39) R1162Q probably damaging Het
Zfp451 T C 1: 33,816,808 (GRCm39) K164E 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
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
R9203:Grm4 UTSW 17 27,653,980 (GRCm39) missense probably benign 0.04
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'- GCCAAAAGCAATTTCTCAAGCTGCC -3'
(R):5'- GCATCTACCGCATCTTTGAGCAGG -3'

Sequencing Primer
(F):5'- GGTCATATACCCCAAGGGC -3'
(R):5'- CATCTTTGAGCAGGGCAAGC -3'
Posted On 2014-03-28