4.2.1.110	1,5-anhydro-D-fructose dehydratase (microthecin-forming), aldos-2-ulose dehydratase/isomerase, aldosulose-utilizing enzyme, AUDH, pyranosone dehydratase	-	-, 667793, 667822, 690688, 719217, 728150	
4.2.1.110	aldos-2-ulose dehydratase	bifunctional enzyme	690688