Proteins in this family are related to EcsC from B. subtilis. This protein is found in an operon with EcsA and EcsB which are components of an ABC transport system [1]. The function of this protein is unknown.

1: Molecular analysis of an operon in Bacillus subtilis encoding a novel ABC transporter with a role in exoprotein production, sporulation and competence. Leskela S, Kontinen VP, Sarvas M; Microbiology 1996;142:71-77. PMID:8581172