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Na+ & chloride-dependent GABA transporter 1; GAT-1; solute carrier family 6 member 1 (SLC6A1, GABATR, GABT1, GAT1)
Function:
- terminates the action of GABA by its high affinity
- Na+-dependent reuptake into presynaptic terminals
- interacts with MPP5 (putative)
Structure:
- the PDZ domain-binding motif is involved in the
- interaction with MPP5
- belongs to the Na+:neurotransmitter symporter (SNF) family
Compartment:
- cell membrane
- localized at plasma membrane & in a subset of intracellular vesicles
- localized at the presynaptic terminals of interneurons
Pharmacology:
- SLC6A1 is the target of psychomotor stimulants such as amphetamines or cocaine
General
solute carrier family 6 (neurotransmitter transporter, SLC6, SLC6A)
Properties
SIZE: entity length = 599 aa
MW = 67 kD
COMPARTMENT: cellular membrane
MOTIF: cytoplasmic domain {1-52}
transmembrane domain {53-73}
exoplasmic loop {74-80}
transmembrane domain {81-100}
cytoplasmic loop {101-123}
transmembrane domain {124-144}
exoplasmic loop {145-211}
MOTIF: N-glycosylation site {N176}
N-glycosylation site {N181}
N-glycosylation site {N184}
transmembrane domain {212-230}
cytoplasmic loop {231-238}
transmembrane domain {239-256}
exoplasmic loop {257-291}
transmembrane domain {292-309}
cytoplasmic loop {310-320}
transmembrane domain {321-342}
exoplasmic loop {343-374}
transmembrane domain {375-394}
cytoplasmic loop {395-421}
transmembrane domain {422-440}
exoplasmic loop {441-456}
transmembrane domain {457-477}
cytoplasmic loop {478-497}
transmembrane domain {498-517}
exoplasmic loop {518-535}
transmembrane domain {536-554}
cytoplasmic domain {555-599}
MOTIF: PDZ recognition motif
NAME: PDZ recognition motif
SITE: 597-599
FOR-BINDING-VIA: PDZ domain
Database Correlations
OMIM 137165
UniProt P30531
Pfam PF00209
Entrez Gene 6529
References
- UniProt :accession P30531
- Nelson et al
Cloning of the human brain GABA transporter.
FEBS Lett 1990 Aug 20;269(1):181-4
PMID: 2387399