Immunogen: Fusion protein amino acids 55-125 (first vesicle lumen domain) of rat VAChT (also known as Vesicular acetylcholine transporter, Solute carrier family 18 member 3, Vat and Slc18a3, accession number Q62666)
Mouse: 97% identity (69/71 amino acids identical) Human: 84% identity (60/71 amino acids identical) <40% identity with VMAT1 and other vesicular transporters