General Information of the Protein
Protein ID
PT03116
Protein Name
Glutamate receptor 3
Secondarily
Protein Name
AMPA-selective glutamate receptor 3
GluR-C
GluR-K3
Glutamate receptor ionotropic
AMPA 3
Gene Name
GRIA3
Secondarily
Gene Name
Glur3
Sequence
MGQSVLRAVFFLVLGLLGHSHGGFPNTISIGGLFMRNTVQEHSAFRFAVQLYNTNQNTTEKPFHLNYHVDHLDSSNSFSVTNAFCSQFSRGVYAIFGFYDQMSMNTLTSFCGALHTSFVTPSFPTDADVQFVIQMRPALKGAILSLLSYYKWEKFVYLYDTERGFSVLQAIMEAAVQNNWQVTARSVGNIKDVQEFRRIIEEMDRRQEKRYLIDCEVERINTILEQVVILGKHSRGYHYMLANLGFTDILLERVMHGGANITGFQIVNNENPMVQQFIQRWVRLDEREFPEAKNAPLKYTSALTHDAILVIAEAFRYLRRQRVDVSRRGSAGDCLANPAVPWSQGIDIERALKMVQVQGMTGNIQFDTYGRRTNYTIDVYEMKVSGSRKAGYWNEYERFVPFSDQQISNDSSSSENRTIVVTTILESPYVMYKKNHEQLEGNERYEGYCVDLAYEIAKHVRIKYKLSIVGDGKYGARDPETKIWNGMVGELVYGRADIAVAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKSKPGVFSFLDPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHLEDNNEEPRDPQSPPDPPNEFGIFNSLWFSLGAFMQQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVERMVSPIESAEDLAKQTEIAYGTLDSGSTKEFFRRSKIAVYEKMWSYMKSAEPSVFTKTTADGVARVRKSKGKFAFLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGVATPKGSALGNAVNLAVLKLNEQGLLDKLKNKWWYDKGECGSGGGDSKDKTSALSLSNVAGVFYILVGGLGLAMMVALIEFCYKSRAESKRMKLTKNTQNFKPAPATNTQNYATYREGYNVYGTESVKI
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Organism
Rattus norvegicus, Rat
Protein Classification
Ion channel
>
Ligand-gated ion channel
>
Ionotropic glutamate receptor
>
AMPA receptor
Function
Receptor for glutamate that functions as a 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 (By similarity).
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Uniprot ID
P19492
Ensembl ID
ENSG00000125675
Subcellular Location
Cell membrane
Postsynaptic cell membrane
Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein

Protein
Cell Line
Compound

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000544 , CREM010i-SS9-1
Compound ID Compound Name Compound Formula
CP0106623
(2S)-2-amino-3-(3-hydroxy-5-methyl-1,2-oxazol-4-yl)propanoic acid
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C7H10N2O4
 1
1
Ki = 21 nM
   TI
   LI
   LO
   TS
CP0758534
(R)-3-hydroxy-4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridine-5-carboxylic acid
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C7H8N2O4
 1
1
Ki = 840 nM
   TI
   LI
   LO
   TS
CP0346493
(7S)-3-hydroxy-4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridine-7-carboxylic acid
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C7H8N2O4
 1
1
Ki = 4520 nM
   TI
   LI
   LO
   TS
CP0299289
(R,S)-2-amino-3-(4-chloro-3-hydroxy-5-isoxazolyl)propionate
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C6H7ClN2O4
 1
1
Ki = 27500 nM
   TI
   LI
   LO
   TS
CP0347808
(S)-Amino-(3-hydroxy-isoxazol-5-yl)-acetic acid
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C5H6N2O4
 1
1
Ki > 100000 nM
   TI
   LI
   LO
   TS
Biochemical Assays
Compound ID Compound Name Compound Formula
CP0002355
(2S)-2-aminopentanedioic acid
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C5H9NO4
 2
1 Ki = 500 nM
2 Ki = 7400 nM
Similar Protein(s) and Bioactivity Statistics
90% Identity
Protein ID Protein Name Protein Organism
PT01407 Glutamate receptor 3 Homo sapiens, Human