Incidental Mutation 'R3844:Grm8'
ID 277273
Institutional Source Beutler Lab
Gene Symbol Grm8
Ensembl Gene ENSMUSG00000024211
Gene Name glutamate receptor, metabotropic 8
Synonyms mGluR8, Gprc1h
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3844 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 27275120-28135094 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 27429507 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 462 (N462K)
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: N462K

PolyPhen 2 Score 0.435 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000087998
Gene: ENSMUSG00000024211
AA Change: N462K

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: N462K

PolyPhen 2 Score 0.693 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000110978
Gene: ENSMUSG00000024211
AA Change: N462K

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: N462K

PolyPhen 2 Score 0.693 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000110979
Gene: ENSMUSG00000024211
AA Change: N462K

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: 99.3%
  • 3x: 98.8%
  • 10x: 97.5%
  • 20x: 95.6%
Validation Efficiency
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A730071L15Rik A T 11: 6,150,032 (GRCm39) R2* probably null Het
Acaca T A 11: 84,255,239 (GRCm39) D1932E probably damaging Het
Adam5 T A 8: 25,303,426 (GRCm39) D167V probably benign Het
Amt C T 9: 108,174,420 (GRCm39) R62C possibly damaging Het
Aqp11 T A 7: 97,387,046 (GRCm39) E50V probably damaging Het
Arid4b C T 13: 14,361,645 (GRCm39) S703L probably damaging Het
Ccl25 T G 8: 4,404,183 (GRCm39) V179G possibly damaging Het
Clk2 A G 3: 89,077,710 (GRCm39) N222S probably benign Het
Col13a1 C T 10: 61,685,988 (GRCm39) G668D unknown Het
Col20a1 A G 2: 180,634,242 (GRCm39) E69G probably damaging Het
Dcc G A 18: 71,959,257 (GRCm39) H172Y probably benign Het
Dock8 T G 19: 25,042,794 (GRCm39) Y125* probably null Het
E2f1 A G 2: 154,402,748 (GRCm39) S340P probably benign Het
Fars2 T C 13: 36,389,084 (GRCm39) F191S probably damaging Het
Filip1l T C 16: 57,392,790 (GRCm39) V888A probably benign Het
Fn1 T A 1: 71,648,733 (GRCm39) H1392L possibly damaging Het
Fsip2 C T 2: 82,819,950 (GRCm39) H5228Y possibly damaging Het
Galnt14 A G 17: 74,016,924 (GRCm39) probably null Het
Ireb2 A G 9: 54,799,789 (GRCm39) E410G probably damaging Het
Kdm2b A T 5: 123,072,856 (GRCm39) Y341N probably damaging Het
Kdm7a T A 6: 39,158,513 (GRCm39) I77F probably damaging Het
Klhl11 A T 11: 100,363,133 (GRCm39) M141K possibly damaging Het
Lactbl1 A G 4: 136,365,271 (GRCm39) H541R possibly damaging Het
Mylk A G 16: 34,742,247 (GRCm39) M920V probably benign Het
Or2w1b A G 13: 21,300,233 (GRCm39) T124A possibly damaging Het
Piwil4 T A 9: 14,641,256 (GRCm39) T179S possibly damaging Het
Ranbp2 T C 10: 58,313,717 (GRCm39) L1479P possibly damaging Het
Rpl3l A G 17: 24,952,916 (GRCm39) H292R probably benign Het
Rps6ka4 C A 19: 6,815,171 (GRCm39) E202* probably null Het
Rsph14 T C 10: 74,867,107 (GRCm39) D13G possibly damaging Het
Sri A G 5: 8,114,576 (GRCm39) D177G probably damaging Het
Tenm2 A G 11: 35,938,365 (GRCm39) V1437A probably damaging Het
Tiam2 A G 17: 3,471,926 (GRCm39) R523G probably damaging Het
Tm9sf3 A T 19: 41,205,555 (GRCm39) L561M possibly damaging Het
Tnrc6c G T 11: 117,646,309 (GRCm39) D1417Y probably damaging Het
Ubr4 C T 4: 139,186,437 (GRCm39) S648L probably damaging Het
Zfp827 T A 8: 79,863,248 (GRCm39) L69Q 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
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'- GCCTGGTCTCTAAGTGTATAATCC -3'
(R):5'- GACATTACATGGGTTAAACTCTCC -3'

Sequencing Primer
(F):5'- AGAAAATTTGACCTCCCTTGTTC -3'
(R):5'- CATGGGTTAAACTCTCCATATCAC -3'
Posted On 2015-04-06