Glutamate receptor 3

NameGlutamate receptor 3
SynonymsAMPA-selective glutamate receptor 3 GluA3 GluR-3 GluR-C GluR-K3 GLUR3 GLURC Glutamate receptor ionotropic, AMPA 3
Gene NameGRIA3
OrganismHuman
Amino acid sequence
>lcl|BSEQ0001658|Glutamate receptor 3
MARQKKMGQSVLRAVFFLVLGLLGHSHGGFPNTISIGGLFMRNTVQEHSAFRFAVQLYNT
NQNTTEKPFHLNYHVDHLDSSNSFSVTNAFCSQFSRGVYAIFGFYDQMSMNTLTSFCGAL
HTSFVTPSFPTDADVQFVIQMRPALKGAILSLLGHYKWEKFVYLYDTERGFSILQAIMEA
AVQNNWQVTARSVGNIKDVQEFRRIIEEMDRRQEKRYLIDCEVERINTILEQVVILGKHS
RGYHYMLANLGFTDILLERVMHGGANITGFQIVNNENPMVQQFIQRWVRLDEREFPEAKN
APLKYTSALTHDAILVIAEAFRYLRRQRVDVSRRGSAGDCLANPAVPWSQGIDIERALKM
VQVQGMTGNIQFDTYGRRTNYTIDVYEMKVSGSRKAGYWNEYERFVPFSDQQISNDSASS
ENRTIVVTTILESPYVMYKKNHEQLEGNERYEGYCVDLAYEIAKHVRIKYKLSIVGDGKY
GARDPETKIWNGMVGELVYGRADIAVAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKS
KPGVFSFLDPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHLEDNNEEPRDPQSPPDPP
NEFGIFNSLWFSLGAFMQQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVER
MVSPIESAEDLAKQTEIAYGTLDSGSTKEFFRRSKIAVYEKMWSYMKSAEPSVFTKTTAD
GVARVRKSKGKFAFLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGVATPKGSALRNAVNL
AVLKLNEQGLLDKLKNKWWYDKGECGSGGGDSKDKTSALSLSNVAGVFYILVGGLGLAMM
VALIEFCYKSRAESKRMKLTKNTQNFKPAPATNTQNYATYREGYNVYGTESVKI
Number of residues894
Molecular Weight101155.975
Theoretical pI8.74
GO Classification
Functions
    extracellular-glutamate-gated ion channel activity
AMPA glutamate receptor activity
Processes
    glutamate receptor signaling pathway
transport
synaptic transmission, glutamatergic
ionotropic glutamate receptor signaling pathway
synaptic transmission
ion transmembrane transport
Components
    endocytic vesicle membrane
postsynaptic membrane
plasma membrane
AMPA glutamate receptor complex
cell junction
nucleoplasm
dendrite
General FunctionExtracellular-glutamate-gated ion channel activity
Specific FunctionReceptor for glutamate that functions as ligand-gated ion channel in the central nervous system and plays an important role in excitatory synaptic transmission. L-glutamate acts as an excitatory neurotransmitter at many synapses in the central nervous system. Binding of the excitatory neurotransmitter L-glutamate induces a conformation change, leading to the opening of the cation channel, and thereby converts the chemical signal to an electrical impulse. The receptor then desensitizes rapidly and enters a transient inactive state, characterized by the presence of bound agonist. In the presence of CACNG4 or CACNG7 or CACNG8, shows resensitization which is characterized by a delayed accumulation of current flux upon continued application of glutamate.
Transmembrane Regions553-573 628-648 824-844
GenBank Protein ID507829
UniProtKB IDP42263
UniProtKB Entry NameGRIA3_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0010586|Glutamate receptor 3 (GRIA3)
ATGGCCAGGCAGAAGAAAATGGGGCAAAGCGTGCTCCGGGCGGTCTTCTTTTTAGTCCTG
GGGCTTTTGGGTCATTCTCACGGAGGATTCCCCAACACCATCAGCATAGGTGGACTTTTC
ATGAGAAACACAGTGCAGGAGCACAGCGCTTTCCGCTTTGCCGTGCAGTTATACAACACC
AACCAGAACACCACCGAGAAGCCCTTCCATTTGAATTACCACGTAGATCACTTGGATTCC
TCCAATAGTTTTTCCGTGACAAATGCTTTCTGCTCCCAGTTCTCGAGAGGGGTGTATGCC
ATCTTTGGATTCTATGACCAGATGTCAATGAACACCCTGACCTCCTTCTGTGGGGCCCTG
CACACATCCTTTGTTACGCCTAGCTTCCCCACTGACGCAGATGTGCAGTTTGTCATCCAG
ATGCGCCCAGCCTTGAAGGGCGCTATTCTGAGTCTTCTGGGTCATTACAAGTGGGAGAAG
TTTGTGTACCTCTATGACACAGAACGAGGATTTTCCATCCTCCAAGCGATTATGGAAGCA
GCAGTGCAAAACAACTGGCAAGTAACAGCAAGGTCTGTGGGAAACATAAAGGACGTCCAA
GAATTCAGGCGCATCATTGAAGAAATGGACAGGAGGCAGGAAAAGCGATACTTGATTGAC
TGCGAAGTCGAAAGGATTAACACAATTTTGGAACAGGTTGTGATCCTAGGGAAACACTCA
AGAGGTTATCACTACATGCTCGCTAACCTGGGTTTTACTGATATTTTACTGGAAAGAGTC
ATGCATGGGGGAGCCAACATTACAGGTTTCCAGATTGTCAACAATGAAAACCCTATGGTT
CAGCAGTTCATACAGCGCTGGGTGAGGCTGGATGAAAGGGAATTCCCTGAAGCCAAGAAT
GCACCACTAAAGTATACATCTGCATTGACACACGACGCAATACTGGTCATAGCAGAAGCT
TTCCGCTACCTGAGGAGGCAGCGAGTAGATGTGTCCCGGAGAGGAAGTGCTGGAGACTGC
TTAGCAAATCCTGCTGTGCCCTGGAGTCAAGGAATTGATATTGAGAGAGCTCTGAAAATG
GTGCAAGTACAAGGAATGACTGGAAATATTCAATTTGACACTTATGGACGTAGGACAAAT
TATACCATCGATGTGTATGAAATGAAAGTCAGTGGCTCTCGAAAAGCTGGCTACTGGAAT
GAGTATGAAAGGTTTGTGCCTTTCTCAGATCAGCAAATCAGCAATGACAGTGCATCCTCA
GAGAATCGGACCATAGTAGTGACTACCATTCTGGAATCACCATATGTAATGTACAAGAAG
AACCATGAGCAACTGGAAGGAAATGAACGATATGAAGGCTATTGTGTAGACCTAGCCTAT
GAAATAGCCAAACATGTAAGGATCAAATACAAATTGTCCATCGTTGGTGACGGGAAATAT
GGTGCAAGGGATCCAGAGACTAAAATATGGAACGGCATGGTTGGGGAACTTGTCTATGGG
AGAGCTGATATAGCTGTTGCTCCACTCACTATAACATTGGTCCGTGAAGAAGTCATAGAT
TTTTCAAAGCCATTCATGAGCCTGGGCATCTCCATCATGATAAAGAAGCCTCAGAAATCA
AAACCAGGCGTATTCTCATTTCTGGATCCCCTGGCTTATGAAATCTGGATGTGCATTGTC
TTTGCTTACATTGGAGTCAGCGTAGTTCTTTTCCTAGTCAGCAGGTTCAGTCCTTATGAA
TGGCACTTGGAAGACAACAATGAAGAACCTCGTGACCCACAAAGTCCTCCTGATCCTCCA
AATGAATTTGGAATATTTAACAGTCTTTGGTTTTCCTTGGGTGCCTTTATGCAGCAAGGA
TGTGATATTTCTCCAAGATCACTCTCCGGGCGCATTGTTGGAGGGGTTTGGTGGTTCTTC
ACCCTGATCATAATTTCTTCCTATACTGCCAATCTCGCTGCTTTCCTGACTGTGGAGAGG
ATGGTTTCTCCCATAGAGAGTGCTGAAGACTTAGCTAAACAGACTGAAATTGCATATGGG
ACCCTGGACTCCGGTTCAACAAAAGAATTTTTCAGAAGATCCAAAATTGCTGTGTACGAG
AAAATGTGGTCTTACATGAAATCAGCGGAGCCATCTGTGTTTACCAAAACAACAGCAGAC
GGAGTGGCCCGAGTGCGAAAGTCCAAGGGAAAGTTCGCCTTCCTGCTGGAGTCAACCATG
AATGAGTACATTGAGCAGAGAAAACCATGTGATACGATGAAAGTTGGTGGAAATCTGGAT
TCCAAAGGCTATGGTGTGGCAACCCCTAAAGGCTCAGCATTAGGAAATGCTGTTAACCTG
GCAGTATTAAAACTGAATGAGCAAGGCCTCTTGGACAAATTGAAAAACAAATGGTGGTAC
GACAAAGGAGAGTGCGGCAGCGGGGGCGGTGACTCCAAGGACAAGACCAGCGCTCTGAGC
CTGAGCAATGTGGCAGGCGTTTTCTATATACTTGTCGGAGGTCTGGGGCTGGCCATGATG
GTGGCTTTGATAGAATTCTGTTACAAATCACGGGCAGAGTCCAAACGCATGAAACTCACA
AAGAACACCCAAAACTTTAAGCCTGCTCCTGCCACCAACACTCAGAATTATGCTACATAC
AGAGAAGGCTACAACGTGTATGGAACAGAGAGTGTTAAGATCTAG
GenBank Gene IDU10302
GeneCard IDNone
GenAtlas IDGRIA3
HGNC IDHGNC:4573
Chromosome LocationX
LocusXq25-q26
References
  1. Rampersad V, Elliott CE, Nutt SL, Foldes RL, Kamboj RK: Human glutamate receptor hGluR3 flip and flop isoforms: cloning and sequencing of the cDNAs and primary structure of the proteins. Biochim Biophys Acta. 1994 Oct 18;1219(2):563-6.[7918660 ]
  2. Gecz J, Barnett S, Liu J, Hollway G, Donnelly A, Eyre H, Eshkevari HS, Baltazar R, Grunn A, Nagaraja R, Gilliam C, Peltonen L, Sutherland GR, Baron M, Mulley JC: Characterization of the human glutamate receptor subunit 3 gene (GRIA3), a candidate for bipolar disorder and nonspecific X-linked mental retardation. Genomics. 1999 Dec 15;62(3):356-68.[10644433 ]
  3. Amir R, Dahle EJ, Toriolo D, Zoghbi HY: Candidate gene analysis in Rett syndrome and the identification of 21 SNPs in Xq. Am J Med Genet. 2000 Jan 3;90(1):69-71.[10602120 ]
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  5. Kato AS, Gill MB, Ho MT, Yu H, Tu Y, Siuda ER, Wang H, Qian YW, Nisenbaum ES, Tomita S, Bredt DS: Hippocampal AMPA receptor gating controlled by both TARP and cornichon proteins. Neuron. 2010 Dec 22;68(6):1082-96. doi: 10.1016/j.neuron.2010.11.026.[21172611 ]
  6. Wu Y, Arai AC, Rumbaugh G, Srivastava AK, Turner G, Hayashi T, Suzuki E, Jiang Y, Zhang L, Rodriguez J, Boyle J, Tarpey P, Raymond FL, Nevelsteen J, Froyen G, Stratton M, Futreal A, Gecz J, Stevenson R, Schwartz CE, Valle D, Huganir RL, Wang T: Mutations in ionotropic AMPA receptor 3 alter channel properties and are associated with moderate cognitive impairment in humans. Proc Natl Acad Sci U S A. 2007 Nov 13;104(46):18163-8. Epub 2007 Nov 7.[17989220 ]

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