The enzyme glucuronan lyase () catalyzes the following process:
This enzyme belongs to the family of lyases, specifically those carbon-oxygen lyases acting on polysaccharides. The systematic name of this enzyme class is (1âÂÂ4)-ò-<small>D</small>-glucuronan lyase. This enzyme is also called (1,4)-ò-<small>D</small>-glucuronan lyase.