Incidental Mutation 'R7778:Grm8'
ID 598992
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 045834-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7778 (G1)
Quality Score 225.009
Status Validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 27363671 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glycine at position 615 (R615G)
Ref Sequence ENSEMBL: ENSMUSP00000087998 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324]
AlphaFold P47743
Predicted Effect possibly damaging
Transcript: ENSMUST00000090512
AA Change: R615G

PolyPhen 2 Score 0.895 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: R615G

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: R615G

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: R615G

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: R615G

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: R615G

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 100% (60/60)
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4932414N04Rik T C 2: 68,569,855 (GRCm39) S524P possibly damaging Het
Aplf A C 6: 87,635,184 (GRCm39) probably null Het
Asb5 A C 8: 55,037,827 (GRCm39) H173P Het
Atp6v0a2 A G 5: 124,779,443 (GRCm39) E186G probably damaging Het
Bbs2 A T 8: 94,816,388 (GRCm39) probably null Het
Chrm5 A G 2: 112,310,301 (GRCm39) S272P probably benign Het
Chrna6 T C 8: 27,897,392 (GRCm39) I162V probably damaging Het
Cldn6 T A 17: 23,900,581 (GRCm39) C182S probably damaging Het
Cysltr2 A G 14: 73,267,203 (GRCm39) I169T probably benign Het
Ddx11 T C 17: 66,437,543 (GRCm39) probably null Het
Efhc1 A T 1: 21,049,685 (GRCm39) Y515F probably damaging Het
Elmo1 A G 13: 20,773,812 (GRCm39) probably null Het
Ep300 T C 15: 81,470,887 (GRCm39) S20P unknown Het
Gfpt2 T G 11: 49,715,268 (GRCm39) I421R probably damaging Het
Gm14226 T A 2: 154,866,630 (GRCm39) C196S possibly damaging Het
Hic1 C T 11: 75,057,042 (GRCm39) V616M possibly damaging Het
Ing1 A G 8: 11,611,814 (GRCm39) E178G probably benign Het
Kansl3 A T 1: 36,387,758 (GRCm39) L530H probably damaging Het
Kcna5 A T 6: 126,511,768 (GRCm39) L120* probably null Het
Kcnt1 T G 2: 25,791,901 (GRCm39) I617S probably benign Het
Lama1 T A 17: 68,111,468 (GRCm39) S2240T Het
Lcn2 T C 2: 32,277,927 (GRCm39) D55G probably benign Het
Ldlrad4 G T 18: 68,368,740 (GRCm39) A66S possibly damaging Het
Matn2 A T 15: 34,399,223 (GRCm39) H370L possibly damaging Het
Mettl23 T G 11: 116,740,096 (GRCm39) V189G probably benign Het
Mpp4 G A 1: 59,162,672 (GRCm39) T543M not run Het
Odf4 A T 11: 68,812,898 (GRCm39) S253R probably benign Het
Or10d4 C A 9: 39,580,534 (GRCm39) F60L possibly damaging Het
Or11h23 G T 14: 50,947,928 (GRCm39) C47F possibly damaging Het
Or7d9 A G 9: 20,193,708 (GRCm39) probably benign Het
Or8b36 T A 9: 37,937,963 (GRCm39) I287N probably damaging Het
Or8g21 T A 9: 38,906,203 (GRCm39) H176L probably damaging Het
Pcdha11 A T 18: 37,145,733 (GRCm39) Y608F possibly damaging Het
Pcdhga5 A G 18: 37,828,578 (GRCm39) D342G probably damaging Het
Pde6d A G 1: 86,471,250 (GRCm39) S143P probably damaging Het
Plec A T 15: 76,061,135 (GRCm39) I2934N probably damaging Het
Primpol G T 8: 47,039,459 (GRCm39) P387Q probably damaging Het
Prkcd C T 14: 30,327,772 (GRCm39) probably null Het
Prph2 T C 17: 47,221,732 (GRCm39) L37S possibly damaging Het
Prrt4 A G 6: 29,177,718 (GRCm39) L17P probably damaging Het
Pycr3 T C 15: 75,790,138 (GRCm39) D171G probably damaging Het
Rapsn A G 2: 90,875,293 (GRCm39) T359A probably benign Het
Setd6 A T 8: 96,442,866 (GRCm39) H101L probably benign Het
Sez6 T C 11: 77,865,375 (GRCm39) S671P probably damaging Het
Son T C 16: 91,453,416 (GRCm39) L721S probably damaging Het
Spata31d1b A T 13: 59,865,047 (GRCm39) R732W possibly damaging Het
Srd5a3 T A 5: 76,302,618 (GRCm39) F328I probably damaging Het
Tfap2b G A 1: 19,304,531 (GRCm39) G447D probably damaging Het
Thoc3 A C 13: 54,611,591 (GRCm39) F232C probably damaging Het
Tmem69 A G 4: 116,410,595 (GRCm39) L125P probably damaging Het
Tnfsf13 C T 11: 69,575,989 (GRCm39) V33M probably damaging Het
Togaram2 T A 17: 72,011,746 (GRCm39) M476K probably benign Het
Tube1 A G 10: 39,018,294 (GRCm39) I124V probably benign Het
Uevld A T 7: 46,576,100 (GRCm39) I462N probably damaging Het
Utrn G A 10: 12,362,354 (GRCm39) R2660C probably damaging Het
Vcan T C 13: 89,836,773 (GRCm39) T2924A probably damaging Het
Vmn2r120 T C 17: 57,832,942 (GRCm39) Y79C probably damaging Het
Vwa8 T C 14: 79,275,587 (GRCm39) V790A probably benign Het
Zfp874b A G 13: 67,622,093 (GRCm39) F402L probably benign Het
Zfp936 A G 7: 42,839,720 (GRCm39) T396A possibly damaging Het
Zfp978 T C 4: 147,469,760 (GRCm39) probably null 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
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
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'- AGGTGCTGTGACAGATTTCTTC -3'
(R):5'- AACTCTGCCCTTTGGATCAGAG -3'

Sequencing Primer
(F):5'- GTGCTGTGACAGATTTCTTCCCTTG -3'
(R):5'- GCCCTTTGGATCAGAGACCAAAC -3'
Posted On 2019-11-26