Sodium- and chloride-dependent GABA transporter 1
Also known as: GABATR, GABT1, GAT1, SLC6A1
Function
Mediates transport of gamma-aminobutyric acid (GABA) together with sodium and chloride and is responsible for the reuptake of GABA from the synapse. The translocation of GABA, however, may also occur in the reverse direction leading to the release of GABA (By similarity). The direction and magnitude of GABA transport is a consequence of the prevailing thermodynamic conditions, determined by membrane potential and the intracellular and extracellular concentrations of Na(+), Cl(-) and GABA (By similarity). Can also mediate sodium- and chloride-dependent transport of hypotaurine but to a much lower extent as compared to GABA (By similarity).
Classification
- Family (Pfam)
- PF00209 SNF
- InterPro
- Na/ntran_symport, Na/ntran_symport_GABA_GAT1, SNS_sf
- Functional cluster
- Membrane Transporters & GPCRs
Experimental structures · PDB · 5
A predicted model is available from AlphaFold.
Gene Ontology · 24
- GO:0030424 axon
- GO:0009986 cell surface
- GO:0098982 GABA-ergic synapse
- GO:0016020 membrane
- GO:0043025 neuronal cell body
- GO:0005886 plasma membrane
- GO:0098793 presynapse
- GO:0015185 gamma-aminobutyric acid transmembrane transporter activity
- GO:0005332 gamma-aminobutyric acid:sodium:chloride symporter activity
- GO:0046872 metal ion binding
- GO:0015378 sodium:chloride symporter activity
- GO:0006865 amino acid transport
- GO:0008306 associative learning
- GO:0007268 chemical synaptic transmission
- GO:1902476 chloride transmembrane transport
- GO:0051939 gamma-aminobutyric acid import
- GO:0051936 gamma-aminobutyric acid reuptake
- GO:0098658 inorganic anion import across plasma membrane
- GO:0007613 memory
- GO:0006836 neurotransmitter transport
- GO:0098719 sodium ion import across plasma membrane
- GO:0035725 sodium ion transmembrane transport
- GO:0050808 synapse organization
- GO:0150104 transport across blood-brain barrier
Disease associations
- epilepsy with myoclonic atonic seizures MONDO:0014633
Drugs targeting this protein · 1
- TIAGABINE HYDROCHLORIDE inhibitor
Related proteins · sequence + function similarity
- Sodium- and chloride-dependent GABA transporter 1 1.00
- Sodium- and chloride-dependent GABA transporter 1 1.00
- Sodium- and chloride-dependent GABA transporter 1 1.00
- Sodium- and chloride-dependent GABA transporter 3 0.97
- Sodium- and chloride-dependent GABA transporter 3 0.96
- Sodium- and chloride-dependent GABA transporter 3 0.96
- Sodium-dependent dopamine transporter 0.96
- Sodium- and chloride-dependent taurine transporter 0.96
- Sodium- and chloride-dependent GABA transporter 2 0.96
- Sodium- and chloride-dependent taurine transporter 0.96
- Sodium- and chloride-dependent taurine transporter 0.96
- Sodium- and chloride-dependent GABA transporter 2 0.96
Literature · 5 cited papers
- SLC6A1 variants identified in epilepsy patients reduce gamma-aminobutyric acid transport. Epilepsia · 2018
- Mutations in the GABA Transporter SLC6A1 Cause Epilepsy with Myoclonic-Atonic Seizures. Am. J. Hum. Genet. · 2015
- The DNA sequence, annotation and analysis of human chromosome 3. Nature · 2006
- The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. · 2004
- Cloning of the human brain GABA transporter. FEBS Lett. · 1990