%0 Journal Article %T An Intramolecular Salt Bridge in Bacillus thuringiensis Cry4Ba Toxin Is Involved in the Stability of Helix ¦Á-3, Which Is Needed for Oligomerization and Insecticidal Activity %J - %@ 1098-5336 %D 2017 %R DOI: 10.1128/AEM.01515-17 %U https://aem.asm.org/content/83/20/e01515-17