Metabotropic glutamate receptor 7

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Glutamate receptor, metabotropic 7
250px
PDB rendering based on 2e4z.
Identifiers
SymbolsGRM7; GLUR7; FLJ40498; GPRC1G; MGLUR7; mGlu7
External IDsOMIM: 604101 MGI: 1351344 HomoloGene: 20233 IUPHAR: mGlu7 GeneCards: GRM7 Gene
RNA expression pattern
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More reference expression data
Orthologs
SpeciesHumanMouse
Entrez2917108073
EnsemblENSG00000196277ENSMUSG00000056755
UniProtQ14831Q80T39
RefSeq (mRNA)NM_000844NM_177328
RefSeq (protein)NP_000835NP_796302
Location (UCSC)Chr 3:
6.88 - 7.71 Mb		Chr 6:
110.61 - 111.46 Mb
PubMed search[1][2]

Metabotropic glutamate receptor 7 is a protein that in humans is encoded by the GRM7 gene.[1][2][3]

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. Alternative splice variants of GRM8 have been described but their full-length nature has not been determined.[3]

Ligands

Agonists

Antagonists

  • MMPIP: allosteric antagonist/inverse agonist[7]

Interactions

Metabotropic glutamate receptor 7 has been shown to interact with PICK1.[8]

References

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External links

Further reading

  • Scherer SW, Duvoisin RM, Kuhn R; et al. (1997). "Localization of two metabotropic glutamate receptor genes, GRM3 and GRM8, to human chromosome 7q". Genomics. 31 (2): 230–3. doi:10.1006/geno.1996.0036. PMID 8824806. 
  • Flor PJ, Van Der Putten H, Rüegg D; et al. (1997). "A novel splice variant of a metabotropic glutamate receptor, human mGluR7b". Neuropharmacology. 36 (2): 153–9. doi:10.1016/S0028-3908(96)00176-1. PMID 9144652. 
  • Wu S, Wright RA, Rockey PK; et al. (1998). "Group III human metabotropic glutamate receptors 4, 7 and 8: molecular cloning, functional expression, and comparison of pharmacological properties in RGT cells". Brain Res. Mol. Brain Res. 53 (1-2): 88–97. doi:10.1016/S0169-328X(97)00277-5. PMID 9473604. 
  • Nakajima Y, Yamamoto T, Nakayama T, Nakanishi S (1999). "A relationship between protein kinase C phosphorylation and calmodulin binding to the metabotropic glutamate receptor subtype 7". J. Biol. Chem. 274 (39): 27573–7. doi:10.1074/jbc.274.39.27573. PMID 10488094. 
  • O'Connor V, El Far O, Bofill-Cardona E; et al. (1999). "Calmodulin dependence of presynaptic metabotropic glutamate receptor signaling". Science. 286 (5442): 1180–4. doi:10.1126/science.286.5442.1180. PMID 10550060. 
  • Barbon A, Ferraboli S, Barlati S (2000). "Assignment of the human metabotropic glutamate receptor gene GRM7 to chromosome 3p26.1→p25.2 by radiation hybrid mapping". Cytogenet. Cell Genet. 88 (3-4): 288. doi:10.1159/000015541. PMID 10828612. 
  • Dev KK, Nakajima Y, Kitano J; et al. (2001). "PICK1 interacts with and regulates PKC phosphorylation of mGLUR7". J. Neurosci. 20 (19): 7252–7. PMID 11007882. 
  • Bolonna AA, Kerwin RW, Munro J; et al. (2001). "Polymorphisms in the genes for mGluR types 7 and 8: association studies with schizophrenia". Schizophr. Res. 47 (1): 99–103. doi:10.1016/S0920-9964(99)00235-2. PMID 11163549. 
  • Hirbec H, Perestenko O, Nishimune A; et al. (2002). "The PDZ proteins PICK1, GRIP, and syntenin bind multiple glutamate receptor subtypes. Analysis of PDZ binding motifs". J. Biol. Chem. 277 (18): 15221–4. doi:10.1074/jbc.C200112200. PMID 11891216. 
  • Enz R (2002). "The actin-binding protein Filamin-A interacts with the metabotropic glutamate receptor type 7". FEBS Lett. 514 (2-3): 184–8. doi:10.1016/S0014-5793(02)02361-X. PMID 11943148. 
  • Saugstad JA, Yang S, Pohl J; et al. (2002). "Interaction between metabotropic glutamate receptor 7 and alpha tubulin". J. Neurochem. 80 (6): 980–8. doi:10.1046/j.0022-3042.2002.00778.x. PMC 2925652 Freely accessible. PMID 11953448. 
  • Schulz HL, Stohr H, Weber BH (2002). "Characterization of three novel isoforms of the metabotrobic glutamate receptor 7 (GRM7)". Neurosci. Lett. 326 (1): 37–40. doi:10.1016/S0304-3940(02)00306-3. PMID 12052533. 
  • Ota T, Suzuki Y, Nishikawa T; et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039. 
  • Kobayashi Y, Akiyoshi J, Kanehisa M; et al. (2007). "Lack of polymorphism in genes encoding mGluR 7, mGluR 8, GABA(A) receptor alfa-6 subunit and nociceptin/orphanin FQ receptor and panic disorder". Psychiatr. Genet. 17 (1): 9. doi:10.1097/YPG.0b013e32801118bc. PMID 17167337. 

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Class A: Rhodopsin like
α1 (A, B, D) · α2 (A, B, C) · β1 · β2 · β3
Adenosine (A1, A2A, A2B, A3) · P2Y (1, 2, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14)
(all but 5-HT3) 5-HT1 (A, B, D, E, F) · 5-HT2 (A, B, C) · 5-HT (4, 5A, 6, 7)
Other
Acetylcholine (M1, M2, M3, M4, M5) · Dopamine (D1, D2, D3, D4, D5) · Histamine (H1, H2, H3, H4) · Melatonin (1A, 1B, 1C) · TAAR (1, 2, 3, 5, 6, 8, 9)
Metabolites and
signaling molecules
CysLT (1, 2) · LTB4 (1, 2) · FPRL1 · OXE · Prostaglandin (DP (1, 2), EP (1, 2, 3, 4), FP) · Prostacyclin · Thromboxane
Other
Bile acid · Cannabinoid (CB1, CB2, GPR (18, 55, 119)) · EBI2 · Estrogen · Free fatty acid (1, 2, 3, 4) · Lactate  · Lysophosphatidic acid (1, 2, 3, 4, 5, 6)  · Lysophospholipid (1, 2, 3, 4, 5, 6, 7, 8) · Niacin (1, 2) · Oxoglutarate · PAF · Sphingosine-1-phosphate (1, 2, 3, 4, 5) · Succinate
Peptide
B/W (1, 2) · FF (1, 2) · S · Y (1, 2, 4, 5) · Neuromedin (B, U (1, 2)) · Neurotensin (1, 2)
Other
Miscellaneous
GPR (1, 3, 4, 6, 12, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 31, 32, 33, 34, 35, 37, 39, 42, 44, 45, 50, 52, 55, 61, 62, 63, 65, 68, 75, 77, 78, 81, 82, 83, 84, 85, 87, 88, 92, 101, 103, 109A, 109B, 119, 120, 132, 135, 137B, 139, 141, 142, 146, 148, 149, 150, 151, 152, 153, 160, 161, 162, 171, 173, 174, 176, 177, 182, 183)
Other
Class B: Secretin like
GPR (56, 64, 97, 98, 110, 111, 112, 113, 114, 115, 116, 123, 124, 125, 126, 128, 133, 143, 144, 155, 157)
Other
Class C: Metabotropic
glutamate / pheromone
TAS1R (1, 2, 3) · TAS2R (1, 3, 4, 5, 8, 9, 10, 12, 13, 14, 16, 19, 20, 30, 31, 38, 39, 40, 41, 42, 43, 45, 46, 50)
Other
Class F:
Frizzled / Smoothened
Frizzled
Frizzled (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
Smoothened


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pt:Receptor metabotrópico de glutamato 7
  1. ↑ Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
  2. ↑ Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
  3. ↑ 3.0 3.1 "Entrez Gene: GRM7 glutamate receptor, metabotropic 7". 
  4. ↑ Li X, Gardner EL, Xi ZX (2008). "The metabotropic glutamate receptor 7 (mGluR7) allosteric agonist AMN082 modulates nucleus accumbens GABA and glutamate, but not dopamine, in rats". Neuropharmacology. 54 (3): 542–51. doi:10.1016/j.neuropharm.2007.11.005. PMC 2410088 Freely accessible. PMID 18155073. 
  5. ↑ 5.0 5.1 Palucha A, Klak K, Branski P, van der Putten H, Flor PJ, Pilc A (2007). "Activation of the mGlu7 receptor elicits antidepressant-like effects in mice". Psychopharmacology (Berl.). 194 (4): 555–62. doi:10.1007/s00213-007-0856-2. PMID 17622518. 
  6. ↑ Pelkey KA, Yuan X, Lavezzari G, Roche KW, McBain CJ (2007). "mGluR7 undergoes rapid internalization in response to activation by the allosteric agonist AMN082". Neuropharmacology. 52 (1): 108–17. doi:10.1016/j.neuropharm.2006.07.020. PMID 16914173. 
  7. ↑ Suzuki G, Tsukamoto N, Fushiki H; et al. (2007). "In vitro pharmacological characterization of novel isoxazolopyridone derivatives as allosteric metabotropic glutamate receptor 7 antagonists". J. Pharmacol. Exp. Ther. 323 (1): 147–56. doi:10.1124/jpet.107.124701. PMID 17609420. 
  8. ↑ Lua error in package.lua at line 80: module 'Module:Citation/CS1/Suggestions' not found.
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