Incidental Mutation 'R4436:Grm8'
ID 329521
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 041702-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4436 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 27761237 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 329 (V329E)
Ref Sequence ENSEMBL: ENSMUSP00000110979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324] [ENSMUST00000131897]
AlphaFold P47743
Predicted Effect probably benign
Transcript: ENSMUST00000090512
AA Change: V329E

PolyPhen 2 Score 0.293 (Sensitivity: 0.91; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: V329E

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: V329E

PolyPhen 2 Score 0.482 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: V329E

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: V329E

PolyPhen 2 Score 0.482 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: V329E

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
Predicted Effect probably benign
Transcript: ENSMUST00000131897
SMART Domains Protein: ENSMUSP00000120394
Gene: ENSMUSG00000024211

DomainStartEndE-ValueType
Pfam:ANF_receptor 74 294 5.8e-66 PFAM
Meta Mutation Damage Score 0.6326 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.3%
Validation Efficiency 96% (54/56)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts16 G A 13: 70,927,637 (GRCm39) probably benign Het
Aff3 T C 1: 38,248,768 (GRCm39) I779V possibly damaging Het
Asap1 T G 15: 64,221,692 (GRCm39) D15A probably benign Het
Ascc2 A G 11: 4,606,305 (GRCm39) D193G probably damaging Het
Bcl2a1d A T 9: 88,613,753 (GRCm39) M7K probably benign Het
Ccdc168 T C 1: 44,095,276 (GRCm39) I1941V probably benign Het
Ccdc85a T C 11: 28,526,457 (GRCm39) T384A probably benign Het
Cd86 T C 16: 36,441,194 (GRCm39) N91S probably benign Het
Cdk17 T A 10: 93,047,758 (GRCm39) probably null Het
Cemip T C 7: 83,636,637 (GRCm39) D332G probably null Het
Ces2f G A 8: 105,679,788 (GRCm39) R427H probably benign Het
Clec4a2 G A 6: 123,105,013 (GRCm39) probably null Het
Coa8 T A 12: 111,717,642 (GRCm39) D167E probably benign Het
Coq9 T C 8: 95,579,743 (GRCm39) F198L probably benign Het
Ddx24 C A 12: 103,390,233 (GRCm39) A253S probably damaging Het
Esyt3 A T 9: 99,240,078 (GRCm39) probably benign Het
Fat2 C A 11: 55,187,024 (GRCm39) G1274V probably damaging Het
Ggn A T 7: 28,870,976 (GRCm39) T132S probably damaging Het
Gm11568 T A 11: 99,749,421 (GRCm39) C209S unknown Het
Gm6931 T A 16: 49,245,225 (GRCm39) noncoding transcript Het
Gpr20 C T 15: 73,567,649 (GRCm39) V247I probably benign Het
Gtf2ird2 T C 5: 134,223,808 (GRCm39) L114P possibly damaging Het
Hivep2 C A 10: 14,004,713 (GRCm39) T437K probably benign Het
Hivep3 C T 4: 119,953,120 (GRCm39) P479S probably benign Het
Igkv6-20 A G 6: 70,313,104 (GRCm39) V23A probably damaging Het
Ikbip T A 10: 90,937,751 (GRCm39) N141K probably damaging Het
Irag1 T C 7: 110,476,124 (GRCm39) E815G probably damaging Het
Krt77 A T 15: 101,773,904 (GRCm39) V250E probably damaging Het
Ltn1 A T 16: 87,202,502 (GRCm39) C1050S probably benign Het
Macf1 T C 4: 123,421,135 (GRCm39) I40V probably benign Het
Or2h2b-ps1 A G 17: 37,480,727 (GRCm39) F271L probably benign Het
Or4k15b T C 14: 50,272,287 (GRCm39) D191G probably damaging Het
Pi4ka T C 16: 17,100,246 (GRCm39) M1885V probably damaging Het
Plek A G 11: 16,942,972 (GRCm39) Y107H probably damaging Het
Ppp1r15a C T 7: 45,174,203 (GRCm39) V202M probably damaging Het
Ppp1r3e C A 14: 55,114,007 (GRCm39) A222S probably benign Het
Rac2 G T 15: 78,454,943 (GRCm39) Y32* probably null Het
Sdf4 T G 4: 156,093,404 (GRCm39) probably null Het
Siah1b G A X: 162,854,688 (GRCm39) P131S probably damaging Het
Spic T A 10: 88,512,817 (GRCm39) R111S probably benign Het
Ssh3 A G 19: 4,315,394 (GRCm39) F315L probably damaging Het
Ttn T C 2: 76,595,253 (GRCm39) K11972R probably damaging Het
Tubd1 C T 11: 86,439,745 (GRCm39) S30F probably benign Het
Vmn1r17 G C 6: 57,337,719 (GRCm39) I166M possibly damaging Het
Vmn2r94 T C 17: 18,478,645 (GRCm39) Y34C probably damaging Het
Xpo7 G A 14: 70,906,869 (GRCm39) T945M probably damaging Het
Zfp316 C A 5: 143,239,803 (GRCm39) A739S probably damaging Het
Zswim3 T A 2: 164,662,563 (GRCm39) C348S probably benign 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
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'- GACTACTGTGCTAAAGGTGCATATTTC -3'
(R):5'- GCTTCAGCACTGGTGTTATG -3'

Sequencing Primer
(F):5'- GTGCTAAAGGTGCATATTTCATTCAG -3'
(R):5'- TCAGCACTGGTGTTATGATATCC -3'
Posted On 2015-07-21