GABA Transporter 1 Structure (IMAGE) University of Southern California Caption Artist’s rendering of GABA transporter 1 (GAT-1) embedded in a neuron’s membrane. Tiagabine (green) blocks GAT-1 from shuttling the neurotransmitter GABA (yellow and red) into the cell from the synapse. (Illustration: Yekaterina Kadyshevskaya.) Credit USC Dornsife/Yekaterina Kadyshevskaya Usage Restrictions Must indicate credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.