This family contains the C-terminal regions of several bacterial cellulose synthase operon C (BCSC) proteins. BCSC is involved in cellulose synthesis although the exact function of this protein is unknown [1].

1: The multicellular morphotypes of Salmonella typhimurium and Escherichia coli produce cellulose as the second component of the extracellular matrix. Zogaj X, Nimtz M, Rohde M, Bokranz W, Romling U; Mol Microbiol 2001;39:1452-1463. PMID:11260463