The Oxus cobra contains what kind of ions for their venom to be active?
Caspian cobra The Caspian cobra ("Naja oxiana"), also called the Central Asian cobra, Oxus cobra or Russian cobra, a member of the family Elapidae found in Central Asia.
TLTx Theraphosa leblondi toxin (TLTx) is a toxin occurring in three different forms (subtypes) that are purified and sequenced from the venom of the giant tarantula "Theraphosa leblondi". This toxin selectively inhibits Kv4.2 voltage-gated potassium channels by acting as a gating modifier.