This is a carbohydrate binding domain which has been shown in Schizosaccharomyces pombe to be required for septum localisation [1].

1: The Schizosaccharomyces pombe endo-1,3-beta-glucanase Eng1 contains a novel carbohydrate binding module required for septum localization. Martin-Cuadrado AB, Del Dedo JE, de Medina-Redondo M, Fontaine T, Del Rey F, Latge JP, de Aldana CR; Mol Microbiol. 2008; [Epub ahead of print] PMID:18466295