4 aminobutyric acid 1 4 aminobutyric acid carrier 1 Amino Acid Transport Systems 1 Amino Acid Transport Systems, Neutral 1 Amino Acids 1 Aminolevulinic Acid 1 Biological Transport 1 GABA Plasma Membrane Transport Proteins 1 GABA permease 1 Kinetics 1 Membrane Transport Proteins 1 Organic Anion Transporters 1 Saccharomyces cerevisiae 1 Saccharomyces cerevisiae Proteins 1 Saccharomyces cerevisiae protein 1 Species Specificity 1 UGA4 protein, S cerevisiae 1 amino acid 1 amino acid transporter 1 aminolevulinic acid 1 article 1 carrier protein 1 comparative study 1 drug effect gamma-Aminobutyric Acid 1 growth, development and aging 1 kinetics 1 metabolism 1 organic anion transporter 1 proline transporter 1