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Grm8 Gene Detail
Summary
  • Symbol
    Grm8
  • Name
    glutamate receptor, metabotropic 8
  • Synonyms
    Gprc1h, mGluR8
  • Feature Type
    protein coding gene
  • IDs
    MGI:1351345
    NCBI Gene: 14823
  • Alliance
    genome feature page
  • Transcription Start Sites
    4 TSS
Location &
Maps
more
  • Sequence Map
    Chr6:27275120-28135094 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 6, 11.97 cM, cytoband A3
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    22844 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1351345
 protein coding gene Chr6:27275118-28135177 (-)
129S1/SvImJ ENSMUSG00200034878
 protein coding gene Chr6:24330275-25183069 (-)
A/J ENSMUSG00195007879
 protein coding gene Chr6:24289910-25149396 (-)
AKR/J ENSMUSG00220002963
 protein coding gene Chr6:23868747-24728630 (-)
BALB/cJ ENSMUSG00180019568
 protein coding gene Chr6:24421744-25281228 (-)
C3H/HeJ ENSMUSG00175017626
 protein coding gene Chr6:24287922-25132304 (-)
C57BL/6NJ ENSMUSG00215013518
 protein coding gene Chr6:24313601-25173069 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0028153
 protein coding gene Chr6:22142957-22978447 (-)
CAST/EiJ ENSTCUG00005024985
 protein coding gene Chr6:23878600-24728812 (-)
CBA/J ENSMUSG00210004045
 protein coding gene Chr6:24309274-25153686 (-)
DBA/2J ENSMUSG00185020949
 protein coding gene Chr6:24406023-25265473 (-)
FVB/NJ ENSMUSG00205019398
 protein coding gene Chr6:24327822-25216544 (-)
JF1/MsJ ENSUMUG00000031323
 protein coding gene Chr6:24072990-24931890 (-)
LP/J ENSMUSG00230028854
 protein coding gene Chr6:25347398-26191704 (-)
NOD/ShiLtJ ENSMUSG00190025517
 protein coding gene Chr6:24167806-25021397 (-)
NZO/HlLtJ ENSMUSG00225013858
 protein coding gene Chr6:27305856-28156635 (-)
PWK/PhJ ENSLUMG00010021560
 protein coding gene Chr6:23854144-24729730 (-)
SPRET/EiJ ENSMSPG00010018777
 protein coding gene Chr6:24254198-25151358 (-)
WSB/EiJ ENSIUOG00005032067
 protein coding gene Chr6:24395160-25302787 (-)



Homology
more
  • Human Ortholog
    GRM8, glutamate metabotropic receptor 8
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    GRM8, glutamate metabotropic receptor 8
  • Synonyms
    GLUR8, GPRC1H, mGlu8, MGLUR8
  • Links
    NCBI Gene ID: 2918
    UniProt: O00222

  • Chr Location
    7q31.33; chr7:126438598-127253093 (-)  GRCh38
Human Diseases
more
  • Diseases
    4 with human GRM8 associations

Human Disease Mouse Models
      
IDs
IDs
IDs
IDs
Click on a disease name to see all genes associated with that disease.

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    10 phenotypes from 4 alleles in 4 genetic backgrounds
    26 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
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.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    33
  • GO References
    9
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    753
  • Tissues
    115
  • cDNA Data
    13
  • Literature Summary
    12
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 14823 NCBI Gene Model | MGI Sequence Detail 859975 C57BL/6J ±  kb
    transcript NM_001361125 RefSeq | MGI Sequence Detail 3734 C57BL/6  
    polypeptide P47743 UniProt | EBI | MGI Sequence Detail 908 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      7 Sequences
    • Protein Ontology
      PR:000008270 metabotropic glutamate receptor 8
      (term hierarchy)
    • InterPro Domains
      IPR000337 GPCR, family 3
      IPR017979 GPCR, family 3, conserved site
      IPR017978 GPCR family 3, C-terminal
      IPR000162 GPCR, family 3, metabotropic glutamate receptor
      IPR001786 GPCR, family 3, metabotropic glutamate receptor 4
      IPR000144 GPCR, family 3, metabotropic glutamate receptor 8
      IPR011500 GPCR, family 3, nine cysteines domain
      IPR038550 GPCR, family 3, nine cysteines domain superfamily
      IPR050726 Metabotropic Glutamate Receptor
      IPR028082 Periplasmic binding protein-like I
      IPR001828 Receptor, ligand binding region
    • GlyGen
      P47743 7 sites, 3 N-linked glycans (4 sites), 1 O-linked glycan (1 site)
    Molecular
    Reagents
    less
    • All nucleic 14
      cDNA 13
      Primer pair 1

      Microarray probesets 4
    Other
    Accession IDs
    less
    MGD-MRK-39599, MGI:109600
    References
    more
    • Summaries
      All 72
      Developmental Gene Expression 12
      Gene Ontology 9
      Phenotypes 26
    • Earliest
      J:24532 Duvoisin RM, et al., A novel metabotropic glutamate receptor expressed in the retina and olfactory bulb. J Neurosci. 1995 Apr;15(4):3075-83
    • Latest
      J:357284 Lo Giudice Q, et al., Developmental emergence of first- and higher-order thalamic neuron molecular identities. Development. 2024 Sep 15;151(18)
    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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    Funding Information
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    Send questions and comments to User Support.     		last database update
    09/08/2026
    MGI 6.24     		The Jackson Laboratory