Excitatory amino acid transporter 1

NameExcitatory amino acid transporter 1
Synonyms
  • EAAT1
  • GLAST
  • GLAST-1
  • GLAST1
  • Sodium-dependent glutamate/aspartate transporter 1
  • Solute carrier family 1 member 3
Gene NameSLC1A3
OrganismHuman
Amino acid sequence
>lcl|BSEQ0002218|Excitatory amino acid transporter 1
MTKSNGEEPKMGGRMERFQQGVRKRTLLAKKKVQNITKEDVKSYLFRNAFVLLTVTAVIV
GTILGFTLRPYRMSYREVKYFSFPGELLMRMLQMLVLPLIISSLVTGMAALDSKASGKMG
MRAVVYYMTTTIIAVVIGIIIVIIIHPGKGTKENMHREGKIVRVTAADAFLDLIRNMFPP
NLVEACFKQFKTNYEKRSFKVPIQANETLVGAVINNVSEAMETLTRITEELVPVPGSVNG
VNALGLVVFSMCFGFVIGNMKEQGQALREFFDSLNEAIMRLVAVIMWYAPVGILFLIAGK
IVEMEDMGVIGGQLAMYTVTVIVGLLIHAVIVLPLLYFLVTRKNPWVFIGGLLQALITAL
GTSSSSATLPITFKCLEENNGVDKRVTRFVLPVGATINMDGTALYEALAAIFIAQVNNFE
LNFGQIITISITATAASIGAAGIPQAGLVTMVIVLTSVGLPTDDITLIIAVDWFLDRLRT
TTNVLGDSLGAGIVEHLSRHELKNRDVEMGNSVIEENEMKKPYQLIAQDNETEKPIDSET
KM
Number of residues542
Molecular Weight59571.855
Theoretical pI8.69
GO Classification
Functions
  • high-affinity glutamate transmembrane transporter activity
  • glutamate binding
  • L-glutamate transmembrane transporter activity
  • sodium
Processes
  • response to wounding
  • response to drug
  • auditory behavior
  • neuromuscular process controlling balance
  • response to antibiotic
  • cranial nerve development
  • neurotransmitter uptake
  • positive regulation of defense response to virus by host
  • synaptic transmission
  • xenophagy
  • response to light stimulus
  • mitophagy in response to mitochondrial depolarization
  • glutamate biosynthetic process
  • L-glutamate transmembrane transport
  • glutamate secretion
  • malate-aspartate shuttle
  • neurotransmitter secretion
  • gamma-aminobutyric acid biosynthetic process
  • positive regulation of synaptic transmission
  • cell morphogenesis involved in neuron differentiation
  • transmembrane transport
  • D-aspartate import
  • sensory perception of sound
  • L-glutamate import
  • ion transport
Components
  • fibril
  • membrane
  • mitochondrial inner membrane
  • neuronal cell body
  • dendritic spine
  • plasma membrane
  • cell surface
  • integral component of membrane
  • basolateral plasma membrane
General FunctionSodium:dicarboxylate symporter activity
Specific FunctionTransports L-glutamate and also L- and D-aspartate. Essential for terminating the postsynaptic action of glutamate by rapidly removing released glutamate from the synaptic cleft. Acts as a symport by cotransporting sodium.
Pfam Domain Function
Transmembrane Regions48-68 91-111 123-145 238-260 281-302 319-340
GenBank Protein IDNot Available
UniProtKB IDP43003
UniProtKB Entry NameEAA1_HUMAN
Cellular LocationMembrane
Gene sequence
>lcl|BSEQ0010780|Excitatory amino acid transporter 1 (SLC1A3)
ATGACTAAAAGCAATGGAGAAGAGCCCAAGATGGGGGGCAGGATGGAGAGATTCCAGCAG
GGAGTCCGTAAACGCACACTTTTGGCCAAGAAGAAAGTGCAGAACATTACAAAGGAGGAT
GTTAAAAGTTACCTGTTTCGGAATGCTTTTGTGCTGCTCACAGTCACCGCTGTCATTGTG
GGTACAATCCTTGGATTTACCCTCCGACCATACAGAATGAGCTACCGGGAAGTCAAGTAC
TTCTCCTTTCCTGGGGAACTTCTGATGAGGATGTTACAGATGCTGGTCTTACCACTTATC
ATCTCCAGTCTTGTCACAGGAATGGCGGCGCTAGATAGTAAGGCATCAGGGAAGATGGGA
ATGCGAGCTGTAGTCTATTATATGACTACCACCATCATTGCTGTGGTGATTGGCATAATC
ATTGTCATCATCATCCATCCTGGGAAGGGCACAAAGGAAAACATGCACAGAGAAGGCAAA
ATTGTACGAGTGACAGCTGCAGATGCCTTCCTGGACTTGATCAGGAACATGTTCCCTCCA
AATCTGGTAGAAGCCTGCTTTAAACAGTTTAAAACCAACTATGAGAAGAGAAGCTTTAAA
GTGCCCATCCAGGCCAACGAAACGCTTGTGGGTGCTGTGATAAACAATGTGTCTGAGGCC
ATGGAGACTCTTACCCGAATCACAGAGGAGCTGGTCCCAGTTCCAGGATCTGTGAATGGA
GTCAATGCCCTGGGTCTAGTTGTCTTCTCCATGTGCTTCGGTTTTGTGATTGGAAACATG
AAGGAACAGGGGCAGGCCCTGAGAGAGTTCTTTGATTCTCTTAACGAAGCCATCATGAGA
CTGGTAGCAGTAATAATGTGGTATGCCCCCGTGGGTATTCTCTTCCTGATTGCTGGGAAG
ATTGTGGAGATGGAAGACATGGGTGTGATTGGGGGGCAGCTTGCCATGTACACCGTGACT
GTCATTGTTGGCTTACTCATTCACGCAGTCATCGTCTTGCCACTCCTCTACTTCTTGGTA
ACACGGAAAAACCCTTGGGTTTTTATTGGAGGGTTGCTGCAAGCACTCATCACCGCTCTG
GGGACCTCTTCAAGTTCTGCCACCCTACCCATCACCTTCAAGTGCCTGGAAGAGAACAAT
GGCGTGGACAAGCGCGTCACCAGATTCGTGCTCCCCGTAGGAGCCACCATTAACATGGAT
GGGACTGCCCTCTATGAGGCTTTGGCTGCCATTTTCATTGCTCAAGTTAACAACTTTGAA
CTGAACTTCGGACAAATTATTACAATCAGGGATCGCCTCCGGACCACCACCAACGTACTG
GGAGACTCCCTGGGAGCTGGGATTGTGGAGCACTTGTCACGACATGAACTGAAGAACAGA
GATGTTGAAATGGGTAACTCAGTGATTGAAGAGAATGAAATGAAGAAACCATATCAACTG
ATTGCACAGGACAATGAAACTGAGAAACCCATCGACAGTGAAACCAAGATGTAG
GenBank Gene IDL19158
GeneCard IDNot Available
GenAtlas IDSLC1A3
HGNC IDHGNC:10941
Chromosome Location5
Locus5p13
References
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  2. Arriza JL, Fairman WA, Wadiche JI, Murdoch GH, Kavanaugh MP, Amara SG: Functional comparisons of three glutamate transporter subtypes cloned from human motor cortex. J Neurosci. 1994 Sep;14(9):5559-69. 7521911
  3. Kawakami H, Tanaka K, Nakayama T, Inoue K, Nakamura S: Cloning and expression of a human glutamate transporter. Biochem Biophys Res Commun. 1994 Feb 28;199(1):171-6. 8123008
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