EAAC1 - Excitatory Amino-acid Transporter 3 - EAAT3 - SLC1A1

Family:
Glutamate Transporters

Subgroups:
The family of glutamate transporters contains two subclasses:
EAAT: Exitatory amino acid transporters, dependent on  an electrochemical gradient of sodium ions, with five members: EAAT1 - EAAT5
VGLUT: Vesicular glutamat transporters, not dependent on an electrochemical gradient, with four members: VGLUT1 - VGLUT3, Sialin

Topology:
EAAT: The proteins contain eight transmembrane domains and can form homo- and heteromers, where each monomer is a functional unit capable of substrate permeation.
VGLUT: A putative model propose twelve transmembrane segments for VGLUT1 and VGLUT2 and ten for VGLUT3

Function:
In the brain, EAATs remove glutamate from the synaptic cleft and extrasynaptic sites via glutamate reuptake into glial cells and neurons, while VGLUTs move glutamate from the cell cytoplasm into synaptic vesicles. Glutamate transporters also transport aspartate and are present in virtually all peripheral tissues, including the heart, liver, testes, and bone.

EAAC1: Background Information

The excitatory amino acid carrier 1 (EAAC1; also known as EAAT3) is a sodium-dependent neuronal uptake transporter encoded by the slc1a1 gene.

Gene:
slc1a1

Human Protein:
UniProt P43005

Tissue:
mature neurons, where it is distributed in somata and dendrites.

Function/ Application:
EAAC1 functions as a co-transporter, coupling the uphill substrate transport into the cells to the electrochemical gradients of sodium and potassium.

Pathology:
Dysfunction of glutamate transporters leads to increased extracellular glutamate levels, thereby causing neurotoxicity and neurodegeneration.

Interaction:
GTRAP3-18

Substrates:
Glutamate, aspartate, cysteine

Assays:
SURFE2R transporter assays

Data and Applications

EAAC1 - SURFE2R N1

EAAC1 SURFE2R N1 Website

Icon N1 SURFE2R N1 data and applications:

EAAC1 pharmacology on the SURFE2R N1

 

EAAC1 - SURFE2R 96SE

EAAC1 Surfe2r96SE

Icon 96SE SURFE2R 96SE data and applications:

EAAC1 pharmacology on the SURFE2R 96SE

Application Notes

 

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