EspB is a type-III-secreted pore-forming protein of enteropathogenic Escherichia coli (EPEC) which is essential for EPEC pathogenesis [1]. EspB is also found in Citrobacter rodentium [2].

1: Expression and purification of the recombinant enteropathogenic Escherichia coli vaccine candidates BfpA and EspB. Quintana Flores VM, Campos de Souza Fernandes RC, Sousa de Macedo Z, Medina-Acosta E; Protein Expr Purif 2002;25:16-22. PMID:12071694

2: Comparison of an espB gene fecal polymerase chain reaction assay with bacteriologic isolation for detection of Citrobacter rodentium infection in mice. McKeel R, Douris N, Foley PL, Feldman SH; Comp Med 2002;52:439-444. PMID:12405637