Chitin oligosaccharide deacetylase (COD) from bacteria that have been examined so far typically comprise two carbohydrate-binding domains (CBDs) and one polysaccharide deacetylase domain. In contrast, Shewanella baltica ATCC BAA-1091 COD (Sb-COD) has only one CBD, yet exhibits chitin-binding properties and substrate specificities similar to those of other CODs.
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