IglC protein is involved in the escape of F.tularensis live vaccine strain [1]. It has been shown that the expression of IglC is essential for F.tularensis to induce macrophage apoptosis [2]. IglC adopts a beta-sandwich conformation that has no similarity to any known protein structure [3].

1: MglA and Igl proteins contribute to the modulation of Francisella tularensis live vaccine strain-containing phagosomes in murine macrophages. Bonquist L, Lindgren H, Golovliov I, Guina T, Sjostedt A; Infect Immun. 2008;76:3502-3510. PMID:18474647

2: Expression of IglC is necessary for intracellular growth and induction of apoptosis in murine macrophages by Francisella tularensis. Lai XH, Golovliov I, Sjostedt A; Microb Pathog. 2004;37:225-230. PMID:15519043

3: New protein fold revealed by a 1.65 A resolution crystal structure of Francisella tularensis pathogenicity island protein IglC. Sun P, Austin BP, Schubot FD, Waugh DS; Protein Sci. 2007;16:2560-2563. PMID:17905833