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.
Vanillotoxin Vanillotoxins (VaTxs, subtypes VaTx1, VaTx2, and VaTx3) are neurotoxins found in the venom of the tarantula "Psalmopoeus cambridgei". They act as agonists for the transient receptor potential cation channel subfamily V member 1 (TRPV1), activating the pain sensory system. VaTx1 and 2 also act as antagonists for the K2-type voltage-gated potassium channel (K2), inducing paralytic behavior in small animals.