This C-terminal domain belongs to the CAZy family of carbohydrate-binding domains that are associated with glycosyl-hydrolases. It is suggested to bind cellulose.

1: Solution structure of the cellulose-binding domain of the endoglucanase Z secreted by Erwinia chrysanthemi. Brun E, Moriaud F, Gans P, Blackledge MJ, Barras F, Marion D; Biochemistry. 1997;36:16074-16086. PMID:9405041

2: Identification of the substrate interaction region of the chitin-binding domain of Streptomyces griseus chitinase C. Akagi K, Watanabe J, Hara M, Kezuka Y, Chikaishi E, Yamaguchi T, Akutsu H, Nonaka T, Watanabe T, Ikegami T; J Biochem. 2006;139:483-493.DR CAZY; CBM5; PMID:16567413