Immunogen: Fusion protein amino acids 22-242 (extracellular N-terminus) of human GABA-A receptor Pi (also known as Gamma-aminobutyric acid receptor subunit pi and Gabrp, accession number O00591)
Rat: 94% identity (209/221 amino acids identical) Mouse: 94% identity (208/221 amino acids identical) <50% identity with GABA-A-R-Delta and other GABA-A receptors