ecoh:ECRM13516_4298 K21908 membrane protein HdeD | (GenBank) hdeD; Membrane transporter HdeD, H-NS repressed ecoh:ECRM13516_1856 K20265 glutamate:GABA antiporter | (GenBank) xasA; putative glutamate/gamma-aminobutyrate antiporter ecoh:ECRM13516_1857 K01580 glutamate decarboxylase [EC:4.1.1.15] | (GenBank) gadB; Glutamate decarboxylase