Phrixotoxin-2 is a natural peptide isolated from the Phrixotrichus auratus Tarantula venom. It blocks specifically and reversibly Kv4.2 and Kv4.3 channels. These channels are probably the molecular counterparts of the A-type current (Ito1) in the heart. Cloned Kv4.2 and Kv4.3 channels heterologously expressed in COS cell were blocked with IC50 of 34 and 71 nM of Phrixotoxin-2 respectively.
产品描述
A Potent Blocker of KV4 Channels
产品形式
Phrixotoxin-2 is a natural peptide isolated from the Phrixotrichus auratus Tarantula venom. It blocks specifically and reversibly Kv4.2 and Kv4.3 channels. These channels are probably the molecular counterparts of the A-type current (Ito1) in the heart. Cloned Kv4.2 and Kv4.3 channels heterologously expressed in COS cell were blocked with IC50 of 34 and 71 nM of Phrixotoxin-2 respectively.