GRM4 Gene Summary [Human]

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. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2012]

Details

Type
Protein Coding
Official Symbol
GRM4
Official Name
glutamate metabotropic receptor 4 [Source:HGNC Symbol;Acc:HGNC:4596]
Ensembl ID
ENSG00000124493
Bio databases IDs NCBI: 2914 Ensembl: ENSG00000124493
Aliases glutamate metabotropic receptor 4
Synonyms glutamate metabotropic receptor 4, glutamate receptor, metabotropic 4, GPRC1D, Metabotropic glutamate receptor 4, mGlu4, MGLUR4
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human GRM4 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • G-protein coupled receptor
  • calcium-dependent protein binding
  • Periplasmic binding protein
  • extracellular domain
  • Receptor family ligand binding region
  • intracellular loop
  • calmodulin binding
  • G beta gamma protein binding domain
  • calmodulin binding domain
  • 7 transmembrane sweet-taste receptor of 3 GCPR
  • protein binding
  • seven-transmembrane G protein-coupled receptor superfamily
  • glutamate receptor
  • Type 1 periplasmic binding fold superfamily
  • Nine Cysteines Domain of family 3 GPCR
  • group III metabotropic glutamate receptor

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
binds
disease
  • bipolar disorder
  • Huntington disease
  • sarcoidosis
  • psoriasis
  • cancer
  • schizophrenia
  • neuropathic pain
  • osteosarcoma
  • osteosarcomagenesis
  • experimental autoimmune encephalomyelitis
regulated by
  • kainic acid
  • L-glutamic acid
  • lipopolysaccharide
  • dopamine
  • L(+)-2-Amino-4-phosphonobutyric acid
  • CpG oligonucleotide
  • (-)-N-phenyl-7-(hydroxyimino)cyclopropa[b]chromen-1a-carbox amide
  • (±)-N-phenyl-7-(hydroxyimino)cyclopropa[b]chromen-1a-carbox amide
  • levodopa
  • fasoracetam
regulates
role in cell
  • cell viability
  • expression in
  • apoptosis
  • proliferation
  • differentiation
  • morphogenesis
  • synaptic transmission
  • paired-pulse facilitation
  • transmission

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Plasma Membrane
  • glutaminergic synapse
  • cell surface
  • cellular membrane
  • presynaptic membrane
  • neurites
  • synapse
  • cytoplasmic vesicles
  • perikaryon
  • axon terminals
  • excitatory synapses
  • dendritic shafts

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human GRM4 gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • adenylate cyclase-inhibiting G-protein coupled glutamate receptor signaling pathway
  • synaptic transmission
  • positive regulation of MAPK cascade
  • G-protein coupled glutamate receptor signaling pathway
  • regulation of neuron apoptotic process
  • regulation of synaptic transmission, glutamatergic
  • neurotransmitter secretion

Cellular Component

Where in the cell the gene product is active
  • cytoplasmic vesicle
  • plasma membrane

Molecular Function

What the gene product does at the molecular level
  • G-protein coupled receptor activity
  • glutamate receptor activity
  • adenylate cyclase inhibiting G-protein coupled glutamate receptor activity

Gene-Specific Assays for Results You Can Trust

Streamline your workflow with assays designed for this gene. Our targeted dPCR and qPCR assays help you generate meaningful data – efficiently and accurately.