Cellulase belongs to glycoside hydrolase.According to homology of the sequence of amino acids and similarity of the structure of cellulase,it was recently classified into different families.

• 纤维素酶属于糖苷水解酶类,近年来,根据氨基酸序列的同源性以及纤维素酶结构的相似性,将其分成不同的家族。