Lyases;
Carbon-oxygen lyases;
Acting on polysaccharides
Sysname
(1->4)-beta-D-glucuronan lyase
Reaction(IUBMB)
Eliminative cleavage of (1->4)-beta-D-glucuronans to give oligosaccharides with 4-deoxy-beta-D-gluc-4-enuronosyl groups at their non-reducing ends. Complete degradation of glucuronans results in the formation of tetrasaccharides.