Incidental Mutation 'R4395:Grm8'
ID 325435
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 041684-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4395 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 27429431 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 488 (I488F)
Ref Sequence ENSEMBL: ENSMUSP00000110979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324]
AlphaFold P47743
Predicted Effect probably damaging
Transcript: ENSMUST00000090512
AA Change: I488F

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: I488F

DomainStartEndE-ValueType
Pfam:ANF_receptor 74 478 9.6e-102 PFAM
Pfam:Peripla_BP_6 141 375 1.3e-9 PFAM
Pfam:NCD3G 512 562 5e-17 PFAM
Pfam:7tm_3 593 841 4.7e-88 PFAM
low complexity region 887 905 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000115323
AA Change: I488F

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: I488F

DomainStartEndE-ValueType
Pfam:ANF_receptor 74 478 3.3e-107 PFAM
Pfam:NCD3G 512 562 9e-14 PFAM
Pfam:7tm_3 595 840 6.8e-58 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000115324
AA Change: I488F

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: I488F

DomainStartEndE-ValueType
Pfam:ANF_receptor 74 478 2.1e-101 PFAM
Pfam:Peripla_BP_6 141 375 9.2e-10 PFAM
Pfam:NCD3G 512 562 2.8e-16 PFAM
Pfam:7tm_3 593 841 2.4e-87 PFAM
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.8%
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. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele are overweight and mildly insulin resistant, and display increased anxiety-related responses and reduced exploration in a new environment. Mice homozygous for a different knock-out allele exhibit altered excitatory responses in the dentate gyrus. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acnat1 A G 4: 49,447,679 (GRCm39) Y283H probably benign Het
Adamtsl5 A G 10: 80,180,736 (GRCm39) C109R probably damaging Het
Adgrg4 T G X: 55,977,703 (GRCm39) L2193V probably damaging Het
Alpk3 C T 7: 80,744,703 (GRCm39) S1266F probably damaging Het
Arfgef3 A G 10: 18,473,457 (GRCm39) L1614P probably damaging Het
Atm T C 9: 53,376,527 (GRCm39) R2038G probably benign Het
Bahd1 G A 2: 118,753,004 (GRCm39) R757H probably damaging Het
Capza2 T C 6: 17,656,449 (GRCm39) probably null Het
Cfap43 T C 19: 47,740,352 (GRCm39) T1274A probably benign Het
Chil4 G A 3: 106,111,043 (GRCm39) P284S possibly damaging Het
Cisd3 A G 11: 97,579,212 (GRCm39) Y115C probably damaging Het
Crebl2 A G 6: 134,826,208 (GRCm39) E53G probably damaging Het
Ech1 T C 7: 28,525,671 (GRCm39) S107P probably damaging Het
Fam3b C A 16: 97,282,986 (GRCm39) probably null Het
Fat1 T A 8: 45,405,383 (GRCm39) N711K probably damaging Het
Hmga2 C T 10: 120,311,956 (GRCm39) G5S probably damaging Het
Homer3 G A 8: 70,742,793 (GRCm39) probably null Het
Ifit3b G T 19: 34,589,951 (GRCm39) E376* probably null Het
Ints5 A G 19: 8,873,808 (GRCm39) E589G probably damaging Het
Iqsec2 C T X: 150,992,049 (GRCm39) T562I probably damaging Het
Lamc3 A G 2: 31,821,964 (GRCm39) E1304G probably benign Het
Ltv1 T C 10: 13,066,323 (GRCm39) Y101C probably benign Het
Maf1 T C 15: 76,236,357 (GRCm39) probably benign Het
Map3k13 A T 16: 21,717,321 (GRCm39) K185N possibly damaging Het
Mtcl3 T C 10: 29,023,351 (GRCm39) S233P probably benign Het
Mtus2 A T 5: 148,013,432 (GRCm39) Q75L probably benign Het
Nod2 T A 8: 89,391,019 (GRCm39) F427Y probably damaging Het
Or1s2 A T 19: 13,758,275 (GRCm39) I100F probably benign Het
Or5p51 A G 7: 107,444,469 (GRCm39) L157P probably damaging Het
Pik3cg T C 12: 32,254,091 (GRCm39) D632G probably damaging Het
Plekhs1 A G 19: 56,468,326 (GRCm39) D298G probably benign Het
Rbm34 T C 8: 127,676,131 (GRCm39) T375A probably benign Het
Slc4a7 C T 14: 14,765,665 (GRCm38) T549I probably damaging Het
Slco1a7 T C 6: 141,657,844 (GRCm39) I565V probably benign Het
Stk17b A G 1: 53,803,274 (GRCm39) I47T probably damaging Het
Tenm2 C T 11: 35,915,451 (GRCm39) V2028I probably benign Het
Tle4 A T 19: 14,495,302 (GRCm39) H142Q probably benign Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Tnxb C T 17: 34,897,636 (GRCm39) Q804* probably null Het
Trpm2 T C 10: 77,765,053 (GRCm39) I983V probably benign Het
Ttll8 C T 15: 88,799,783 (GRCm39) A553T possibly damaging Het
Ubxn11 G T 4: 133,843,431 (GRCm39) E171D possibly damaging Het
Other mutations in Grm8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01310:Grm8 APN 6 27,363,800 (GRCm39) missense probably damaging 1.00
IGL01412:Grm8 APN 6 27,762,460 (GRCm39) missense probably damaging 1.00
IGL02329:Grm8 APN 6 27,363,115 (GRCm39) missense probably damaging 1.00
IGL02342:Grm8 APN 6 27,363,803 (GRCm39) missense probably benign 0.00
IGL02584:Grm8 APN 6 27,762,438 (GRCm39) missense probably benign 0.35
IGL03040:Grm8 APN 6 28,126,122 (GRCm39) start codon destroyed probably null 0.01
IGL03112:Grm8 APN 6 27,363,262 (GRCm39) missense probably damaging 1.00
IGL03139:Grm8 APN 6 27,618,649 (GRCm39) missense probably damaging 1.00
IGL03287:Grm8 APN 6 27,760,254 (GRCm39) missense possibly damaging 0.86
R0137:Grm8 UTSW 6 27,762,389 (GRCm39) missense probably damaging 0.99
R0266:Grm8 UTSW 6 27,285,895 (GRCm39) missense probably damaging 1.00
R0347:Grm8 UTSW 6 27,981,221 (GRCm39) missense probably benign 0.37
R0580:Grm8 UTSW 6 27,761,370 (GRCm39) splice site probably benign
R0698:Grm8 UTSW 6 27,363,913 (GRCm39) missense probably damaging 1.00
R0833:Grm8 UTSW 6 27,363,178 (GRCm39) missense probably damaging 1.00
R1301:Grm8 UTSW 6 27,981,200 (GRCm39) missense possibly damaging 0.94
R1323:Grm8 UTSW 6 28,125,973 (GRCm39) missense probably damaging 1.00
R1323:Grm8 UTSW 6 28,125,973 (GRCm39) missense probably damaging 1.00
R1471:Grm8 UTSW 6 27,363,308 (GRCm39) missense possibly damaging 0.79
R1554:Grm8 UTSW 6 28,125,852 (GRCm39) missense probably benign 0.01
R1638:Grm8 UTSW 6 28,125,882 (GRCm39) nonsense probably null
R1763:Grm8 UTSW 6 27,285,866 (GRCm39) missense possibly damaging 0.79
R1899:Grm8 UTSW 6 28,125,894 (GRCm39) missense probably damaging 1.00
R1902:Grm8 UTSW 6 27,429,481 (GRCm39) missense probably damaging 1.00
R1916:Grm8 UTSW 6 27,363,583 (GRCm39) missense probably benign 0.01
R2257:Grm8 UTSW 6 27,760,224 (GRCm39) missense probably damaging 0.98
R2351:Grm8 UTSW 6 28,126,118 (GRCm39) missense possibly damaging 0.66
R2396:Grm8 UTSW 6 27,761,241 (GRCm39) missense probably damaging 0.98
R3801:Grm8 UTSW 6 28,125,635 (GRCm39) missense possibly damaging 0.95
R3802:Grm8 UTSW 6 28,125,635 (GRCm39) missense possibly damaging 0.95
R3803:Grm8 UTSW 6 28,125,635 (GRCm39) missense possibly damaging 0.95
R3804:Grm8 UTSW 6 28,125,635 (GRCm39) missense possibly damaging 0.95
R3830:Grm8 UTSW 6 27,761,228 (GRCm39) nonsense probably null
R3844:Grm8 UTSW 6 27,429,507 (GRCm39) missense possibly damaging 0.69
R4006:Grm8 UTSW 6 27,981,229 (GRCm39) missense probably damaging 1.00
R4077:Grm8 UTSW 6 27,760,208 (GRCm39) missense probably benign 0.01
R4436:Grm8 UTSW 6 27,761,237 (GRCm39) missense possibly damaging 0.48
R4810:Grm8 UTSW 6 27,761,295 (GRCm39) missense possibly damaging 0.87
R5357:Grm8 UTSW 6 27,762,418 (GRCm39) missense probably damaging 1.00
R5677:Grm8 UTSW 6 27,761,203 (GRCm39) critical splice donor site probably null
R5983:Grm8 UTSW 6 27,760,220 (GRCm39) missense probably benign 0.03
R5990:Grm8 UTSW 6 27,363,623 (GRCm39) missense probably damaging 1.00
R6365:Grm8 UTSW 6 27,363,226 (GRCm39) missense probably damaging 1.00
R6454:Grm8 UTSW 6 27,363,775 (GRCm39) missense possibly damaging 0.68
R6713:Grm8 UTSW 6 27,363,190 (GRCm39) missense probably damaging 1.00
R6960:Grm8 UTSW 6 27,981,281 (GRCm39) missense probably damaging 0.98
R7194:Grm8 UTSW 6 27,618,486 (GRCm39) missense probably benign 0.01
R7259:Grm8 UTSW 6 27,760,175 (GRCm39) missense probably null 0.99
R7305:Grm8 UTSW 6 27,761,354 (GRCm39) missense possibly damaging 0.51
R7421:Grm8 UTSW 6 27,762,476 (GRCm39) missense possibly damaging 0.66
R7561:Grm8 UTSW 6 27,429,524 (GRCm39) missense probably benign 0.44
R7605:Grm8 UTSW 6 27,618,678 (GRCm39) missense probably damaging 1.00
R7651:Grm8 UTSW 6 27,760,257 (GRCm39) missense possibly damaging 0.46
R7775:Grm8 UTSW 6 27,363,671 (GRCm39) missense possibly damaging 0.89
R7778:Grm8 UTSW 6 27,363,671 (GRCm39) missense possibly damaging 0.89
R7781:Grm8 UTSW 6 27,285,786 (GRCm39) missense probably benign
R7785:Grm8 UTSW 6 27,618,636 (GRCm39) missense probably damaging 0.99
R7898:Grm8 UTSW 6 27,762,422 (GRCm39) missense probably damaging 1.00
R8272:Grm8 UTSW 6 27,363,281 (GRCm39) missense probably damaging 1.00
R8274:Grm8 UTSW 6 27,761,335 (GRCm39) missense probably benign 0.31
R8501:Grm8 UTSW 6 27,618,540 (GRCm39) missense probably damaging 0.98
R8695:Grm8 UTSW 6 28,126,030 (GRCm39) missense probably benign 0.01
R8824:Grm8 UTSW 6 27,761,351 (GRCm39) missense probably damaging 1.00
R8869:Grm8 UTSW 6 27,363,752 (GRCm39) missense probably benign 0.26
R9322:Grm8 UTSW 6 27,363,728 (GRCm39) missense possibly damaging 0.88
R9337:Grm8 UTSW 6 27,761,214 (GRCm39) missense probably benign 0.01
R9518:Grm8 UTSW 6 27,429,469 (GRCm39) missense probably benign 0.01
RF013:Grm8 UTSW 6 27,363,779 (GRCm39) missense probably damaging 1.00
Z1176:Grm8 UTSW 6 28,126,026 (GRCm39) missense probably benign 0.19
Predicted Primers PCR Primer
(F):5'- ATACATGCCAGCTGCCATAG -3'
(R):5'- CCTTAGAGGAAAATAAGCCCAATG -3'

Sequencing Primer
(F):5'- AGCCTGGTCTCTAAGTGTATAATCC -3'
(R):5'- CCCAATGGGCTATGGTACTATAG -3'
Posted On 2015-07-06