Incidental Mutation 'R1763:Grm8'
ID 193190
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 039795-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1763 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 27285866 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 849 (V849I)
Ref Sequence ENSEMBL: ENSMUSP00000110979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324]
AlphaFold P47743
Predicted Effect probably benign
Transcript: ENSMUST00000090512
AA Change: V849I

PolyPhen 2 Score 0.369 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: V849I

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 possibly damaging
Transcript: ENSMUST00000115323
AA Change: V849I

PolyPhen 2 Score 0.786 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: V849I

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 possibly damaging
Transcript: ENSMUST00000115324
AA Change: V849I

PolyPhen 2 Score 0.786 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: V849I

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
Meta Mutation Damage Score 0.0865 question?
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.8%
  • 10x: 95.1%
  • 20x: 92.0%
Validation Efficiency 98% (85/87)
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4fm4 A G 4: 144,396,529 (GRCm39) V401A probably benign Het
Abca4 G A 3: 121,904,330 (GRCm39) V794M probably benign Het
Abca4 A T 3: 121,957,479 (GRCm39) T772S probably damaging Het
Acox3 G A 5: 35,765,683 (GRCm39) probably null Het
Adamts17 A G 7: 66,797,463 (GRCm39) N1060S probably damaging Het
Akap8l C T 17: 32,551,457 (GRCm39) R511H probably damaging Het
Als2 T C 1: 59,214,150 (GRCm39) Y1346C probably benign Het
Apol10b A T 15: 77,469,215 (GRCm39) F321I probably benign Het
Atp5pb A G 3: 105,858,905 (GRCm39) probably null Het
Bloc1s5 A G 13: 38,803,060 (GRCm39) probably benign Het
Btbd9 T C 17: 30,553,271 (GRCm39) N397S possibly damaging Het
Cacna1d A G 14: 29,821,153 (GRCm39) V1121A probably benign Het
Cad G A 5: 31,218,295 (GRCm39) V460I probably damaging Het
Caprin2 A T 6: 148,744,619 (GRCm39) D935E probably damaging Het
Ccdc150 A T 1: 54,393,795 (GRCm39) K686N probably benign Het
Ccnt2 T C 1: 127,727,143 (GRCm39) F186L possibly damaging Het
Cd5l G A 3: 87,275,187 (GRCm39) probably null Het
Chrna7 A G 7: 62,749,000 (GRCm39) V494A probably benign Het
Clec2i T G 6: 128,872,388 (GRCm39) Y198* probably null Het
Col22a1 A G 15: 71,879,025 (GRCm39) V44A probably damaging Het
Cspg4 T A 9: 56,794,263 (GRCm39) I666N probably damaging Het
Cyp3a16 A T 5: 145,401,841 (GRCm39) probably null Het
Dlk1 G T 12: 109,424,045 (GRCm39) C102F probably damaging Het
Dscc1 CTGAATGAAT CTGAAT 15: 54,943,572 (GRCm39) probably benign Het
Dscc1 T A 15: 54,947,535 (GRCm39) H215L probably damaging Het
Dus1l C G 11: 120,686,497 (GRCm39) G15R probably benign Het
Eps8l1 G T 7: 4,474,822 (GRCm39) V268L probably benign Het
F2 A C 2: 91,465,251 (GRCm39) C104W probably damaging Het
F5 C A 1: 164,020,104 (GRCm39) Q860K probably benign Het
Fmn2 T C 1: 174,329,832 (GRCm39) L74P unknown Het
Frmd6 G A 12: 70,940,396 (GRCm39) R347Q possibly damaging Het
Gabbr1 T G 17: 37,365,659 (GRCm39) S158A probably damaging Het
Galc T C 12: 98,200,525 (GRCm39) N295S probably damaging Het
Gm6408 A T 5: 146,419,132 (GRCm39) N49I probably damaging Het
Grm1 T A 10: 10,955,610 (GRCm39) T225S possibly damaging Het
Hmcn2 A G 2: 31,204,602 (GRCm39) D59G probably damaging Het
Iars1 G A 13: 49,876,553 (GRCm39) probably null Het
Ifi27l2a C T 12: 103,403,941 (GRCm39) A127V possibly damaging Het
Ikbip A G 10: 90,932,343 (GRCm39) N329S probably damaging Het
Ikbke T C 1: 131,193,614 (GRCm39) T479A probably benign Het
Krt12 T A 11: 99,306,886 (GRCm39) N472I probably damaging Het
Lmnb2 A T 10: 80,743,025 (GRCm39) L193Q probably damaging Het
Lrriq4 T C 3: 30,704,401 (GRCm39) V128A probably benign Het
Map4k4 C A 1: 40,039,917 (GRCm39) probably benign Het
Mtmr7 T C 8: 41,004,852 (GRCm39) T575A probably benign Het
Myh13 G A 11: 67,225,402 (GRCm39) A256T probably benign Het
Napepld A G 5: 21,888,408 (GRCm39) Y14H probably benign Het
Npr1 T C 3: 90,366,644 (GRCm39) T552A probably damaging Het
Nudt15 A G 14: 73,759,087 (GRCm39) F127S probably benign Het
Nwd2 T A 5: 63,965,614 (GRCm39) S1733T probably benign Het
Or11a4 T C 17: 37,536,321 (GRCm39) F102L probably benign Het
Or4c102 A G 2: 88,422,780 (GRCm39) I211V probably benign Het
Or4c10b G A 2: 89,711,473 (GRCm39) G101E probably damaging Het
Or6z1 T G 7: 6,504,440 (GRCm39) I262L probably benign Het
Or8b44 A G 9: 38,410,334 (GRCm39) Y123C probably damaging Het
Paqr7 A T 4: 134,234,409 (GRCm39) I89F probably benign Het
Pidd1 C A 7: 141,019,543 (GRCm39) V706L probably benign Het
Polr3c A T 3: 96,620,911 (GRCm39) I469N probably damaging Het
Ppip5k1 A G 2: 121,179,028 (GRCm39) Y233H probably damaging Het
Psmc3 A G 2: 90,886,340 (GRCm39) T166A possibly damaging Het
Ptchd3 A T 11: 121,733,368 (GRCm39) I753L probably benign Het
Rad21 T C 15: 51,841,566 (GRCm39) K50R probably damaging Het
Rad54b A G 4: 11,604,989 (GRCm39) E479G possibly damaging Het
Rfwd3 C T 8: 112,014,874 (GRCm39) R326Q probably damaging Het
Rgs20 C T 1: 4,980,863 (GRCm39) R154Q probably damaging Het
Sbf1 T C 15: 89,178,628 (GRCm39) D1449G probably damaging Het
Sema4g C T 19: 44,990,044 (GRCm39) R708* probably null Het
Septin9 T C 11: 117,181,254 (GRCm39) I18T probably benign Het
Serpinb6b A G 13: 33,162,041 (GRCm39) E280G probably damaging Het
Slamf6 T C 1: 171,770,154 (GRCm39) probably benign Het
Slc6a21 G A 7: 44,937,158 (GRCm39) W554* probably null Het
Slco1a4 A C 6: 141,758,457 (GRCm39) I518R probably benign Het
Stab1 T A 14: 30,890,373 (GRCm39) Q26L probably benign Het
Stox1 A G 10: 62,503,744 (GRCm39) F104L probably damaging Het
Suco T C 1: 161,662,518 (GRCm39) K638E possibly damaging Het
Synpo T C 18: 60,735,856 (GRCm39) K458E probably damaging Het
Szt2 A T 4: 118,229,565 (GRCm39) W2820R unknown Het
Tmtc1 C A 6: 148,196,116 (GRCm39) G499W probably damaging Het
Tonsl A C 15: 76,522,266 (GRCm39) S242R probably damaging Het
Trpc4 G T 3: 54,102,243 (GRCm39) S47I possibly damaging Het
Zfp106 G A 2: 120,350,909 (GRCm39) R1581C probably benign Het
Zfp27 A G 7: 29,594,801 (GRCm39) L388P 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
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
R4395:Grm8 UTSW 6 27,429,431 (GRCm39) missense probably damaging 0.98
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'- CTCCCGCTCTTGACCATCTGAAAG -3'
(R):5'- TTGCAAGAAGGCAATGTAGTGCAAC -3'

Sequencing Primer
(F):5'- CTCTTGACCATCTGAAAGTCTACAG -3'
(R):5'- GTCACAATGAAAGCTTGACTGC -3'
Posted On 2014-05-23