Lyases;
Carbon-oxygen lyases;
Acting on polysaccharides
Sysname
xanthan lyase
Reaction(IUBMB)
Eliminative cleavage of the terminal beta-D-mannosyl-(1->4)-beta-D-glucuronosyl linkage of the side-chain of the polysaccharide xanthan, leaving a 4-deoxy-alpha-L-threo-hex-4-enuronosyl group at the terminus of the side-chain