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    GRM1 glutamate receptor, metabotropic 1 [ Homo sapiens (human) ]

    Gene ID: 2911, updated on 12-May-2013
    Official Symbol
    GRM1provided by HGNC
    Official Full Name
    glutamate receptor, metabotropic 1provided by HGNC
    Primary source
    HGNC:4593
    See related
    Ensembl:ENSG00000152822; HPRD:05129; MIM:604473; Vega:OTTHUMG00000015752
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Homo sapiens
    Lineage
    Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
    Also known as
    MGLU1; GPRC1A; MGLUR1; SCAR13
    Summary
    This gene encodes a metabotropic glutamate receptor that functions by activating phospholipase C. 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 canonical alpha isoform of the encoded protein is a disulfide-linked homodimer whose activity is mediated by a G-protein-coupled phosphatidylinositol-calcium second messenger system. This gene may be associated with many disease states, including schizophrenia, bipolar disorder, depression, and breast cancer. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]
    Location :
    6q24
    Sequence :
    Chromosome: 6; NC_000006.11 (146348782..146758731)
    See GRM1 in Epigenomics, MapViewer

    Chromosome 6 - NC_000006.11Genomic Context describing neighboring genes Neighboring gene uncharacterized LOC100507557 Neighboring gene F-box protein 30 Neighboring gene SNF2 histone linker PHD RING helicase, E3 ubiquitin protein ligase Neighboring gene FUN14 domain containing 2 pseudogene 3 Neighboring gene RAB32, member RAS oncogene family Neighboring gene androglobin Neighboring gene katanin p80 subunit B-like 1 pseudogene

    GeneRIFs: Gene References Into Functions What's a GeneRIF?

    Protein Gene Interaction Pubs
    Tat, p14 tat HIV-1 Tat potentiates the depolarization-evoked exocytosis of aspartate from human neocortical terminals, which involves the metabotropic glutamate (mGlu) 1 receptor PubMed
    tat HIV-1 Tat upregulates N-methyl-D-aspartate receptor function by activating metabotropic glutamate receptor 1 in human brain noradrenergic neurons PubMed

    Go to the HIV-1, Human Protein Interaction Database

    Products Interactant Other Gene Complex Source Pubs Description
    Q13255 P30542 ADORA1    HPRD  PubMed  
    Q13255 P25098 ADRBK1    HPRD  PubMed  
    Q13255 P52799 EFNB2    HPRD  PubMed  
    Q13255 P04406 GAPDH    HPRD  PubMed  
    Q13255 Q5JY77 GPRASP1    HPRD  PubMed  
    Q13255 Q7Z6J2 GRASP    HPRD  PubMed  
    Q13255 Q13255 GRM1    HPRD  PubMed  
    Q13255 Q86YM7 HOMER1    HPRD  PubMed  
    Q13255 Q9NSB8 HOMER2    HPRD  PubMed  
    Q13255 Q14643 ITPR1    HPRD  PubMed  
    Q13255 P17252 PRKCA    HPRD  PubMed  
    Q13255 P07437 TUBB    HPRD  PubMed  
    BioGRID:109168 BioGRID:106646 ADORA1    BioGRID  PubMed Affinity Capture-Western 
    BioGRID:109168 BioGRID:106665 ADRBK1    BioGRID  PubMed Affinity Capture-Western 
    BioGRID:109168 BioGRID:109168 GRM1    BioGRID  PubMed Affinity Capture-Western; Reconstituted Complex 
    BioGRID:109168 BioGRID:109314 HTT    BioGRID  PubMed Affinity Capture-Western 
    BioGRID:109168 BioGRID:115436 OPTN    BioGRID  PubMed Affinity Capture-Western; Two-hybrid 
    BioGRID:109168 BioGRID:113071 TRPC1    BioGRID  PubMed Affinity Capture-Western 
    • Calcium signaling pathway, organism-specific biosystem (from KEGG)
      Calcium signaling pathway, organism-specific biosystemCa2+ that enters the cell from the outside is a principal source of signal Ca2+. Entry of Ca2+ is driven by the presence of a large electrochemical gradient across the plasma membrane. Cells use this...
    • Calcium signaling pathway, conserved biosystem (from KEGG)
      Calcium signaling pathway, conserved biosystemCa2+ that enters the cell from the outside is a principal source of signal Ca2+. Entry of Ca2+ is driven by the presence of a large electrochemical gradient across the plasma membrane. Cells use this...
    • Class C/3 (Metabotropic glutamate/pheromone receptors), organism-specific biosystem (from REACTOME)
      Class C/3 (Metabotropic glutamate/pheromone receptors), organism-specific biosystemThe class C G-protein-coupled receptors are a class of G-protein coupled receptors that include the metabotropic glutamate receptors and several additional receptors (Bräuner-Osborne H et al, 2007)....
    • Estrogen signaling pathway, organism-specific biosystem (from KEGG)
      Estrogen signaling pathway, organism-specific biosystemEstrogens are steroid hormones that regulate a plethora of physiological processes in mammals, including reproduction, cardiovascular protection, bone integrity, cellular homeostasis, and behavior. E...
    • Estrogen signaling pathway, conserved biosystem (from KEGG)
      Estrogen signaling pathway, conserved biosystemEstrogens are steroid hormones that regulate a plethora of physiological processes in mammals, including reproduction, cardiovascular protection, bone integrity, cellular homeostasis, and behavior. E...
    • GPCR ligand binding, organism-specific biosystem (from REACTOME)
      GPCR ligand binding, organism-specific biosystemThere are more than 800 G-protein coupled receptor (GPCRs) in the human genome, making it the largest receptor superfamily. GPCRs are also the largest class of drug targets, involved in virtually all...
    • GPCRs, Class C Metabotropic glutamate, pheromone, organism-specific biosystem (from WikiPathways)
      GPCRs, Class C Metabotropic glutamate, pheromone, organism-specific biosystemThis pathway was created using the GPCRDB (Horn et al., 1998), http://www.cmbi.kun.nl/7tm/. The groupings are based on the GPCR phylogenetic tree available from the GPCRDB and the training sets used ...
    • GPCRs, Other, organism-specific biosystem (from WikiPathways)
      GPCRs, Other, organism-specific biosystemThis pathway was created using the GPCRDB (Horn et al., 1998), http://www.cmbi.kun.nl/7tm/. The groupings are based on the GPCR phylogenetic tree available from the GPCRDB and the training sets used ...
    • Gap junction, organism-specific biosystem (from KEGG)
      Gap junction, organism-specific biosystemGap junctions contain intercellular channels that allow direct communication between the cytosolic compartments of adjacent cells. Each gap junction channel is formed by docking of two 'hemichannels'...
    • Gap junction, conserved biosystem (from KEGG)
      Gap junction, conserved biosystemGap junctions contain intercellular channels that allow direct communication between the cytosolic compartments of adjacent cells. Each gap junction channel is formed by docking of two 'hemichannels'...
    • Glutamatergic synapse, organism-specific biosystem (from KEGG)
      Glutamatergic synapse, organism-specific biosystemGlutamate is the major excitatory neurotransmitter in the mammalian central nervous system(CNS). Glutamate is packaged into synaptic vesicles in the presynaptic terminal. Once released into the synap...
    • Glutamatergic synapse, conserved biosystem (from KEGG)
      Glutamatergic synapse, conserved biosystemGlutamate is the major excitatory neurotransmitter in the mammalian central nervous system(CNS). Glutamate is packaged into synaptic vesicles in the presynaptic terminal. Once released into the synap...
    • Hypothetical Network for Drug Addiction, organism-specific biosystem (from WikiPathways)
      Hypothetical Network for Drug Addiction, organism-specific biosystemAdapted from figure 2 in [http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.0040002 Li et al.].
    • Long-term depression, organism-specific biosystem (from KEGG)
      Long-term depression, organism-specific biosystemCerebellar long-term depression (LTD), thought to be a molecular and cellular basis for cerebellar learning, is a process involving a decrease in the synaptic strength between parallel fiber (PF) and...
    • Long-term depression, conserved biosystem (from KEGG)
      Long-term depression, conserved biosystemCerebellar long-term depression (LTD), thought to be a molecular and cellular basis for cerebellar learning, is a process involving a decrease in the synaptic strength between parallel fiber (PF) and...
    • Long-term potentiation, organism-specific biosystem (from KEGG)
      Long-term potentiation, organism-specific biosystemHippocampal long-term potentiation (LTP), a long-lasting increase in synaptic efficacy, is the molecular basis for learning and memory. Tetanic stimulation of afferents in the CA1 region of the hippo...
    • Long-term potentiation, conserved biosystem (from KEGG)
      Long-term potentiation, conserved biosystemHippocampal long-term potentiation (LTP), a long-lasting increase in synaptic efficacy, is the molecular basis for learning and memory. Tetanic stimulation of afferents in the CA1 region of the hippo...
    • Neuroactive ligand-receptor interaction, organism-specific biosystem (from KEGG)
      Neuroactive ligand-receptor interaction, organism-specific biosystem
      Neuroactive ligand-receptor interaction
    • Neuroactive ligand-receptor interaction, conserved biosystem (from KEGG)
      Neuroactive ligand-receptor interaction, conserved biosystem
      Neuroactive ligand-receptor interaction
    • Retrograde endocannabinoid signaling, organism-specific biosystem (from KEGG)
      Retrograde endocannabinoid signaling, organism-specific biosystemEndogenous cannabinoids (endocannabinoids) serve as retrograde messengers at synapses in various regions of the brain. The family of endocannabinoids includes at least five derivatives of arachidonic...
    • Retrograde endocannabinoid signaling, conserved biosystem (from KEGG)
      Retrograde endocannabinoid signaling, conserved biosystemEndogenous cannabinoids (endocannabinoids) serve as retrograde messengers at synapses in various regions of the brain. The family of endocannabinoids includes at least five derivatives of arachidonic...
    • Signal Transduction, organism-specific biosystem (from REACTOME)
      Signal Transduction, organism-specific biosystemSignal transduction is a process in which extracellular signals elicit changes in cell state and activity. Transmembrane receptors sense changes in the cellular environment by binding ligands, such a...
    • Signaling by GPCR, organism-specific biosystem (from REACTOME)
      Signaling by GPCR, organism-specific biosystemG protein-coupled receptors (GPCRs; 7TM receptors; seven transmembrane domain receptors; heptahelical receptors; G protein-linked receptors [GPLR]) are the largest family of transmembrane receptors i...

    Markers

    Homology

    Gene Ontology Provided by GOA

    Function Evidence Code Pubs
    G-protein coupled receptor activity TAS
    Traceable Author Statement
    more info
    PubMed 
    glutamate receptor activity TAS
    Traceable Author Statement
    more info
    PubMed 
    Process Evidence Code Pubs
    G-protein coupled receptor signaling pathway TAS
    Traceable Author Statement
    more info
    PubMed 
    activation of MAPK activity IEA
    Inferred from Electronic Annotation
    more info
     
    activation of MAPKK activity IEA
    Inferred from Electronic Annotation
    more info
     
    cell death IEA
    Inferred from Electronic Annotation
    more info
     
    cellular response to electrical stimulus IEA
    Inferred from Electronic Annotation
    more info
     
    locomotory behavior IEA
    Inferred from Electronic Annotation
    more info
     
    regulation of sensory perception of pain IEA
    Inferred from Electronic Annotation
    more info
     
    sensory perception of pain IEA
    Inferred from Electronic Annotation
    more info
     
    synaptic transmission TAS
    Traceable Author Statement
    more info
    PubMed 
    Component Evidence Code Pubs
    integral to plasma membrane TAS
    Traceable Author Statement
    more info
    PubMed 
    nucleus IEA
    Inferred from Electronic Annotation
    more info
     
    plasma membrane TAS
    Traceable Author Statement
    more info
     
    postsynaptic density IEA
    Inferred from Electronic Annotation
    more info
     
    Preferred Names
    metabotropic glutamate receptor 1
    Names
    metabotropic glutamate receptor 1

    RefSeqs maintained independently of Annotated Genomes

    These reference sequences exist independently of genome builds. Explain

    These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

    Genomic

    1. NG_012839.1 RefSeqGene

      Range
      5001..414953
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_001278064.1NP_001264993.1  metabotropic glutamate receptor 1 isoform alpha precursor

      Status: REVIEWED

      Description
      Transcript Variant: This variant (3) encodes the longest isoform (alpha).
      Source sequence(s)
      AB208837, BC136280, L76627, L76631
      Consensus CDS
      CCDS5209.1
      Conserved Domains (5) summary
      cd06374
      Location:36510
      Blast Score: 2427
      PBP1_mGluR_groupI; Ligand binding domain of the group I metabotropic glutamate receptor
      pfam10606
      Location:11441194
      Blast Score: 149
      GluR_Homer-bdg; Homer-binding domain of metabotropic glutamate receptor
      pfam00003
      Location:617838
      Blast Score: 685
      7tm_3; 7 transmembrane sweet-taste receptor of 3 GCPR
      pfam01094
      Location:77485
      Blast Score: 628
      ANF_receptor; Receptor family ligand binding region
      pfam07562
      Location:521571
      Blast Score: 210
      NCD3G; Nine Cysteines Domain of family 3 GPCR
    2. NM_001278065.1NP_001264994.1  metabotropic glutamate receptor 1 isoform beta precursor

      Status: REVIEWED

      Description
      Transcript Variant: This variant (4) contains an alternate exon in the 3' coding region, compared to variant 3. The encoded isoform (beta) is shorter and contains a distinct C-terminus, compared to isoform alpha. Isoform beta has a different subcellular distribution than isoform alpha and may be functionally distinct due to differential G-protein coupling of its novel C-terminal sequence (PMID: 9076744). Variants 4 and 5 encode the same isoform.
      Source sequence(s)
      AB208837, L76627, L76631
      Consensus CDS
      CCDS47497.1
      Conserved Domains (4) summary
      cd06374
      Location:36510
      Blast Score: 2426
      PBP1_mGluR_groupI; Ligand binding domain of the group I metabotropic glutamate receptor
      pfam00003
      Location:617838
      Blast Score: 656
      7tm_3; 7 transmembrane sweet-taste receptor of 3 GCPR
      pfam01094
      Location:77485
      Blast Score: 623
      ANF_receptor; Receptor family ligand binding region
      pfam07562
      Location:521571
      Blast Score: 206
      NCD3G; Nine Cysteines Domain of family 3 GPCR
    3. NM_001278066.1NP_001264995.1  metabotropic glutamate receptor 1 isoform beta precursor

      Status: REVIEWED

      Description
      Transcript Variant: This variant (5) contains an alternate internal exon in the 3' coding region and uses an alternate splice site in the 3'-terminal exon, compared to variant 3. The encoded isoform (beta) is shorter and contains a distinct C-terminus, compared to isoform alpha. Isoform beta has a different subcellular distribution than isoform alpha and may be functionally distinct due to differential G-protein coupling of its novel C-terminal sequence (PMID: 9076744). Variants 4 and 5 encode the same isoform.
      Source sequence(s)
      AB208837, BC143777, L76627, L76631
      Conserved Domains (4) summary
      cd06374
      Location:36510
      Blast Score: 2426
      PBP1_mGluR_groupI; Ligand binding domain of the group I metabotropic glutamate receptor
      pfam00003
      Location:617838
      Blast Score: 656
      7tm_3; 7 transmembrane sweet-taste receptor of 3 GCPR
      pfam01094
      Location:77485
      Blast Score: 623
      ANF_receptor; Receptor family ligand binding region
      pfam07562
      Location:521571
      Blast Score: 206
      NCD3G; Nine Cysteines Domain of family 3 GPCR
    4. NM_001278067.1NP_001264996.1  metabotropic glutamate receptor 1 isoform d precursor

      Status: REVIEWED

      Description
      Transcript Variant: This variant (6) uses an alternate splice site in the 3' coding region, which results in a frameshift, compared to variant 3. The encoded isoform (d) is shorter and contains a distinct C-terminus, compared to isoform alpha. Isoform d may have a distinct function compared to isoform alpha (PMID: 9776379).
      Source sequence(s)
      AB208837, BC143779, L76627, L76631
      Conserved Domains (4) summary
      cd06374
      Location:36510
      Blast Score: 2428
      PBP1_mGluR_groupI; Ligand binding domain of the group I metabotropic glutamate receptor
      pfam00003
      Location:617838
      Blast Score: 662
      7tm_3; 7 transmembrane sweet-taste receptor of 3 GCPR
      pfam01094
      Location:77485
      Blast Score: 622
      ANF_receptor; Receptor family ligand binding region
      pfam07562
      Location:521571
      Blast Score: 208
      NCD3G; Nine Cysteines Domain of family 3 GPCR

    RefSeqs of Annotated Genomes: Homo sapiens Annotation Release 104

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference GRCh37.p10 Primary Assembly

    Genomic

    1. NC_000006.11 Reference GRCh37.p10 Primary Assembly

      Range
      146348782..146758731
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    Alternate HuRef

    Genomic

    1. AC_000138.1 Alternate HuRef

      Range
      143912005..144322102
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    Alternate CHM1_1.0

    Genomic

    1. NC_018917.1 Alternate CHM1_1.0

      Range
      146347330..146757269
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    Suppressed Reference Sequence(s)

    The following Reference Sequences have been suppressed. Explain

    1. NM_000838.3: Suppressed sequence

      Description
      NM_000838.3: This RefSeq was based on transcripts that have no full-length support, compared to the NM_001278064.1, which is also valid for CCDS5209.1. Therefore, NM_001114329.1 is suppressed, but the CCDS ID is retained for the other variant.
    2. NM_001114329.1: Suppressed sequence

      Description
      NM_001114329.1: This RefSeq was based on transcripts that have no full-length support, compared to NM_001278065.1, which is also valid for CCDS47497.1. Therefore, NM_001114329.1 is suppressed, but the CCDS ID is retained for the other variant.

      Supplemental Content

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