Incidental Mutation 'R5990:Grm8'
ID 481937
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 044170-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5990 (G1)
Quality Score 225.009
Status Validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 27363623 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Isoleucine at position 631 (L631I)
Ref Sequence ENSEMBL: ENSMUSP00000087998 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324]
AlphaFold P47743
Predicted Effect probably damaging
Transcript: ENSMUST00000090512
AA Change: L631I

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: L631I

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: L631I

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: L631I

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: L631I

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: L631I

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 0.2870 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.5%
  • 20x: 92.2%
Validation Efficiency 99% (77/78)
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: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610028H24Rik A T 10: 76,285,123 (GRCm39) M11L probably benign Het
Acad10 A G 5: 121,783,468 (GRCm39) L319P probably damaging Het
Adam12 C A 7: 133,533,465 (GRCm39) C471F probably damaging Het
Arfgef1 A G 1: 10,243,146 (GRCm39) Y1065H probably damaging Het
Atp8b3 G A 10: 80,361,531 (GRCm39) T797M possibly damaging Het
Auts2 G A 5: 131,505,734 (GRCm39) probably benign Het
AW209491 C T 13: 14,812,365 (GRCm39) A406V probably benign Het
Ccdc146 A G 5: 21,523,180 (GRCm39) S286P probably benign Het
Chsy3 GT G 18: 59,309,238 (GRCm39) 163 probably null Het
Cmtr1 T C 17: 29,921,135 (GRCm39) Y794H probably benign Het
Copb2 A G 9: 98,452,378 (GRCm39) E54G probably damaging Het
Ctsk A T 3: 95,408,767 (GRCm39) H77L probably damaging Het
Dnah3 T C 7: 119,672,764 (GRCm39) Y546C probably benign Het
Ephb2 A T 4: 136,423,366 (GRCm39) V304E probably benign Het
Ern1 C T 11: 106,302,595 (GRCm39) V420I probably benign Het
Esrrg A T 1: 187,930,995 (GRCm39) E339V probably damaging Het
Fbxo10 A C 4: 45,061,960 (GRCm39) F189V probably damaging Het
Foxl1 G T 8: 121,855,160 (GRCm39) A154S probably damaging Het
Frs3 A G 17: 48,012,602 (GRCm39) D103G possibly damaging Het
Gdpd4 A G 7: 97,690,137 (GRCm39) T610A probably benign Het
Gm10271 A T 10: 116,808,497 (GRCm39) F6L probably damaging Het
Gm4847 C T 1: 166,470,942 (GRCm39) S36N probably benign Het
Ints9 T A 14: 65,276,777 (GRCm39) L648Q probably damaging Het
Kansl1l T C 1: 66,774,885 (GRCm39) H647R probably damaging Het
Kcnq1 T A 7: 142,815,105 (GRCm39) H501Q probably damaging Het
Kctd20 T C 17: 29,185,884 (GRCm39) L409P probably benign Het
Kiss1r A G 10: 79,754,541 (GRCm39) T12A probably benign Het
Kndc1 T A 7: 139,507,333 (GRCm39) V1173E probably damaging Het
Kprp T C 3: 92,732,081 (GRCm39) E323G probably damaging Het
Krtap10-4 A T 10: 77,662,441 (GRCm39) probably benign Het
Lrrc37a A G 11: 103,391,784 (GRCm39) Y1214H probably benign Het
Lysmd3 G A 13: 81,817,707 (GRCm39) G228D probably damaging Het
Muc16 G A 9: 18,570,539 (GRCm39) A660V unknown Het
Muc5b T C 7: 141,411,898 (GRCm39) C1615R unknown Het
Nans A T 4: 46,489,441 (GRCm39) N28I probably damaging Het
Nlrp4b C T 7: 10,448,418 (GRCm39) S207L possibly damaging Het
Nrdc T G 4: 108,876,268 (GRCm39) F355V probably damaging Het
Nrip2 C T 6: 128,376,979 (GRCm39) probably benign Het
Nufip1 C T 14: 76,351,628 (GRCm39) P161L probably damaging Het
Ogdhl C T 14: 32,049,071 (GRCm39) H114Y possibly damaging Het
Opa1 T A 16: 29,405,836 (GRCm39) W134R probably damaging Het
Or4k45 T A 2: 111,395,019 (GRCm39) I257F probably damaging Het
Or8a1b G T 9: 37,623,406 (GRCm39) H56Q probably damaging Het
Parp14 G A 16: 35,661,827 (GRCm39) P1403S probably benign Het
Patl2 T C 2: 121,954,965 (GRCm39) D361G probably damaging Het
Pcx A G 19: 4,671,294 (GRCm39) D1172G probably damaging Het
Phax A G 18: 56,708,675 (GRCm39) T58A probably benign Het
Phf11b T A 14: 59,562,375 (GRCm39) I177L possibly damaging Het
Pole T A 5: 110,450,010 (GRCm39) V819D probably damaging Het
Poll T C 19: 45,541,594 (GRCm39) D458G possibly damaging Het
Polr2m G A 9: 71,386,602 (GRCm39) probably null Het
Ppp1r9a C A 6: 5,134,660 (GRCm39) H928N probably benign Het
Prdm2 T C 4: 142,896,683 (GRCm39) N102D probably damaging Het
Rbm45 A T 2: 76,200,756 (GRCm39) D95V probably benign Het
Rdh19 A G 10: 127,695,463 (GRCm39) M226V probably benign Het
Rev3l T G 10: 39,699,807 (GRCm39) S1435A probably benign Het
Rgs20 A G 1: 4,982,553 (GRCm39) I305T probably benign Het
Rhobtb2 T C 14: 70,033,818 (GRCm39) N469S probably damaging Het
Rif1 C G 2: 51,985,856 (GRCm39) L614V probably damaging Het
Rps6ka1 A G 4: 133,593,708 (GRCm39) I177T probably damaging Het
Samd12 T A 15: 53,583,019 (GRCm39) D105V probably damaging Het
Setd3 A T 12: 108,126,594 (GRCm39) D88E probably benign Het
Sfmbt2 G T 2: 10,584,192 (GRCm39) V850L possibly damaging Het
Slc26a10 C A 10: 127,014,627 (GRCm39) A195S possibly damaging Het
Smcp C A 3: 92,491,557 (GRCm39) A97S unknown Het
Stxbp5 G A 10: 9,711,677 (GRCm39) H248Y probably damaging Het
Syne2 T C 12: 76,070,918 (GRCm39) L4457P probably benign Het
Tbx3 A G 5: 119,818,594 (GRCm39) T390A probably benign Het
Tmeff2 G A 1: 51,018,601 (GRCm39) W194* probably null Het
Tmem120b G A 5: 123,242,544 (GRCm39) R174Q probably damaging Het
Trio A G 15: 27,891,545 (GRCm39) V402A probably benign Het
Ttll2 C A 17: 7,619,766 (GRCm39) G54W possibly damaging Het
Uba7 G A 9: 107,858,433 (GRCm39) V786M probably damaging Het
Vmn2r32 T C 7: 7,482,809 (GRCm39) E55G probably damaging Het
Wdr35 A G 12: 9,066,511 (GRCm39) D724G probably damaging Het
Xrcc1 G A 7: 24,267,293 (GRCm39) V381M probably damaging Het
Zdhhc11 T A 13: 74,127,303 (GRCm39) W227R probably benign Het
Zfp341 T C 2: 154,487,579 (GRCm39) S681P probably damaging Het
Zfp735 T A 11: 73,581,174 (GRCm39) D70E possibly damaging Het
Zmat4 G A 8: 24,419,279 (GRCm39) A104T probably 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
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
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'- GGTGCTGTGACAGATTTCTTCC -3'
(R):5'- TGAACTCTGCCCTTTGGATCAG -3'

Sequencing Primer
(F):5'- GTGACAGATTTCTTCCCTTGC -3'
(R):5'- CAGAGGATTCCCATCATCAAGTTGG -3'
Posted On 2017-06-26