Mipartoxin-I, a novel three-finger toxin, is the major neurotoxic component in the venom of the redtail coral snake Micrurus mipartitus (Elapidae)

► The major venom protein of Micrurus mipartitus (redtail coral snake) was isolated and characterized. ► It is a novel α-neurotoxin of the three-finger toxin superfamily. ► Its complete amino acid sequence was determined. ► Due to its abundance and lethal potency, it should be a relevant target for the development of an antivenom.