Incidental Mutation 'R7421:Grm8'
ID 575654
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
MMRRC Submission 045499-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7421 (G1)
Quality Score 225.009
Status Validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 27762476 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Alanine at position 250 (S250A)
Ref Sequence ENSEMBL: ENSMUSP00000087998 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000090512] [ENSMUST00000115323] [ENSMUST00000115324] [ENSMUST00000131897]
AlphaFold P47743
Predicted Effect possibly damaging
Transcript: ENSMUST00000090512
AA Change: S250A

PolyPhen 2 Score 0.658 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: S250A

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 benign
Transcript: ENSMUST00000115323
AA Change: S250A

PolyPhen 2 Score 0.187 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: S250A

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 benign
Transcript: ENSMUST00000115324
AA Change: S250A

PolyPhen 2 Score 0.187 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: S250A

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 possibly damaging
Transcript: ENSMUST00000131897
AA Change: S250A

PolyPhen 2 Score 0.658 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000120394
Gene: ENSMUSG00000024211
AA Change: S250A

DomainStartEndE-ValueType
Pfam:ANF_receptor 74 294 5.8e-66 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aar2 T C 2: 156,397,915 (GRCm39) I309T possibly damaging Het
Abca12 A C 1: 71,286,295 (GRCm39) L2513* probably null Het
Abca13 G C 11: 9,460,463 (GRCm39) V4158L probably benign Het
Acaca A G 11: 84,254,562 (GRCm39) T1880A possibly damaging Het
Arhgap5 C T 12: 52,564,783 (GRCm39) R585C probably benign Het
Arsk A C 13: 76,210,634 (GRCm39) I471S possibly damaging Het
Asb7 T C 7: 66,309,868 (GRCm39) D116G probably damaging Het
Atad2 A G 15: 57,998,322 (GRCm39) S17P probably benign Het
Atf5 T C 7: 44,464,562 (GRCm39) E10G probably damaging Het
B3gntl1 G T 11: 121,515,004 (GRCm39) P255T probably benign Het
Cacna1s A G 1: 136,014,540 (GRCm39) N649S probably damaging Het
Ccnc A G 4: 21,743,291 (GRCm39) Y192C probably damaging Het
Cd28 A G 1: 60,802,459 (GRCm39) N126S probably benign Het
Cep57 A G 9: 13,721,969 (GRCm39) S360P possibly damaging Het
Ces1e C T 8: 93,941,703 (GRCm39) V257I probably benign Het
Chd1 A G 17: 15,969,660 (GRCm39) K913R probably benign Het
Cluap1 A T 16: 3,758,657 (GRCm39) D373V probably damaging Het
Cnmd T C 14: 79,882,947 (GRCm39) I160V probably benign Het
Col6a4 G A 9: 105,897,994 (GRCm39) P1686S probably damaging Het
Coro7 G T 16: 4,486,615 (GRCm39) A186E probably benign Het
Cuta T C 17: 27,158,431 (GRCm39) probably benign Het
Dnah2 G A 11: 69,383,631 (GRCm39) H1098Y probably benign Het
Duox1 T A 2: 122,153,711 (GRCm39) C345S probably damaging Het
Ephb4 T A 5: 137,352,687 (GRCm39) I90K possibly damaging Het
Erich3 T A 3: 154,439,198 (GRCm39) M280K probably damaging Het
Fcer2a T A 8: 3,740,335 (GRCm39) H4L probably benign Het
Grk1 A T 8: 13,455,316 (GRCm39) I67F probably damaging Het
H2-Q6 A G 17: 35,644,204 (GRCm39) E62G possibly damaging Het
Inppl1 C T 7: 101,482,144 (GRCm39) R144H probably damaging Het
Itga3 G T 11: 94,959,681 (GRCm39) P33Q probably benign Het
Itgax G A 7: 127,739,604 (GRCm39) S672N probably damaging Het
Itpk1 A T 12: 102,540,324 (GRCm39) V253E possibly damaging Het
Krt15 A T 11: 100,026,386 (GRCm39) V100E possibly damaging Het
Mrps7 T C 11: 115,495,717 (GRCm39) V85A probably benign Het
Muc2 T C 7: 141,301,863 (GRCm39) L427P Het
Myef2 G T 2: 124,952,537 (GRCm39) Q185K probably benign Het
Or1e1b-ps1 G T 11: 73,846,335 (GRCm39) C273F unknown Het
Or4a76 T A 2: 89,460,915 (GRCm39) D109V probably damaging Het
Pcdh15 G A 10: 74,289,897 (GRCm39) M905I possibly damaging Het
Pgm5 C T 19: 24,686,663 (GRCm39) V515M probably benign Het
Pik3r1 A G 13: 101,825,644 (GRCm39) I381T probably damaging Het
Pla2g4f A G 2: 120,137,737 (GRCm39) M341T probably benign Het
Prmt2 A G 10: 76,056,912 (GRCm39) F204L probably benign Het
Pwwp3a T A 10: 80,068,587 (GRCm39) S244T probably benign Het
Rasa2 A G 9: 96,493,500 (GRCm39) V50A unknown Het
Scn7a A C 2: 66,505,876 (GRCm39) I1671S probably benign Het
Sco2 G A 15: 89,255,923 (GRCm39) R244C possibly damaging Het
Skic3 A T 13: 76,296,944 (GRCm39) K1100N probably benign Het
Slfn1 A G 11: 83,011,967 (GRCm39) M28V possibly damaging Het
Slfn9 A T 11: 82,872,197 (GRCm39) C846* probably null Het
Slfn9 A G 11: 82,878,562 (GRCm39) I189T probably damaging Het
Svil T A 18: 5,056,109 (GRCm39) S327R probably benign Het
Tcaf3 A T 6: 42,573,776 (GRCm39) N145K probably benign Het
Trarg1 G A 11: 76,585,051 (GRCm39) R147Q unknown Het
Trgv6 G T 13: 19,374,814 (GRCm39) G40W possibly damaging Het
Upp2 G T 2: 58,661,586 (GRCm39) V130F possibly damaging Het
Vnn3 G A 10: 23,741,666 (GRCm39) A324T probably benign Het
Wasf2 A G 4: 132,912,412 (GRCm39) E88G unknown Het
Zfp39 A T 11: 58,780,933 (GRCm39) C610S 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
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
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'- AATCTAGTGATGCCTGTGAAATCTC -3'
(R):5'- CAGACACAATTACTTTCAATTGGCC -3'

Sequencing Primer
(F):5'- GTGAAATCTCACCAACTTTTTACAC -3'
(R):5'- GCAATTAACCTCATCAAGGTT -3'
Posted On 2019-10-07