This family of proteins is found in bacteria. Proteins in this family are typically between 170 and 789 amino acids in length. The family is found in association with Pfam:PF02018. Vip3A represents a novel class of proteins insecticidal to lepidopteran insect larvae.

1: Vip3A, a novel Bacillus thuringiensis vegetative insecticidal protein with a wide spectrum of activities against lepidopteran insects. Estruch JJ, Warren GW, Mullins MA, Nye GJ, Craig JA, Koziel MG; Proc Natl Acad Sci U S A. 1996;93:5389-5394. PMID:8643585