A Blocking peptide for Anti-KV1.3 (KCNA3) (extracellular) Antibody (#APC-101), Anti-KV1.3 (KCNA3) (extracellular)-Biotin Antibody (#APC-101-B) and Guinea pig Anti-KV1.3 (KCNA3) (extracellular) Antibody (#AGP-005). Intended to be used as a negative control.