There are a number of genes encoding the cellulose synthases and cellulose synthase-like proteins, which constitute a superfamily.The catalytic mechanism of cellulose synthase is unknown now.

• 植物体中存在著众多纤维素合酶，同时还具多种与之相关的纤维素合酶相似蛋白，它们组成了一个庞大的纤维素合酶超家族。