VasI is a family of Gram-negative proteins that form part of the pathogenicity apparatus for bacteria-to-bacteria attack. The exact function of this com[onent is not known [1,2].

1: Type VI secretion: a beginner's guide. Bingle LE, Bailey CM, Pallen MJ; Curr Opin Microbiol. 2008;11:3-8. PMID:18289922

2: Hcp family proteins secreted via the type VI secretion system coordinately regulate Escherichia coli K1 interaction with human brain microvascular endothelial cells. Zhou Y, Tao J, Yu H, Ni J, Zeng L, Teng Q, Kim KS, Zhao GP, Guo X, Yao Y; Infect Immun. 2012;80:1243-1251. PMID:22184413