%0 Journal Article %T The Vip3Ag4 Insecticidal Protoxin from Bacillus thuringiensis Adopts A Tetrameric Configuration That Is Maintained on Proteolysis %A Colin Berry %A David J. Scott %A Gemma Harris %A Leopoldo Palma %A Mark T. Young %A Oliver J. Roberts %A Primitivo Caballero %A Salah-Ud Din %A Thomas L. Williams %J Archive of "Toxins". %D 2017 %R 10.3390/toxins9050165 %K Vip3 toxin %K electron microscopy %K surface topology %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5450713/