Margatoxin is a highly selective inhibitor of the voltage-gated potassium channel Kv1.3, with a binding affinity (Kd) of 11.7 pM. It also exhibits inhibitory effects on Kv1.2 (Kd = 6.4 pM) and Kv1.1 (Kd = 4.2 nM). This 39-amino-acid peptide, derived from the venom of Centruroides margaritatus, is extensively utilized in ion channel research to study the role of Kv1.3 in various physiological and pathophysiological processes.
Margatoxin is a highly selective inhibitor of the voltage-gated potassium channel Kv1.3, with a binding affinity (Kd) of 11.7 pM. It also exhibits inhibitory effects on Kv1.2 (Kd = 6.4 pM) and Kv1.1 (Kd = 4.2 nM). This 39-amino-acid peptide, derived from the venom of Centruroides margaritatus, is extensively utilized in ion channel research to study the role of Kv1.3 in various physiological and pathophysiological processes.
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