Immunogen: Synthetic peptide amino acids 837-853 (HMLPGGGAHGSTRDQSI, cytoplasmic Cterminus) of rat Kv2.1 (also known as Potassium voltage-gated channel subfamily B member 1, Delayed rectifier potassium channel 1, DRK1, Kcnb1 and Shab, accession number P15387)