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ENZYME entry: EC 3.2.1.159

Accepted Name
alpha-neoagaro-oligosaccharide hydrolase
Alternative Name(s)
alpha-NAOS hydrolase
alpha-neoagarooligosaccharide hydrolase
Reaction catalysed
Hydrolysis of the 1,3-alpha-L-galactosidic linkages of neoagaro-oligosaccharides that are smaller than a hexamer, yielding 3,6-anhydro-L-galactose and D-galactose
Comment(s)
When neoagarohexaose is used as a substrate, the oligosaccharide is cleaved at the non-reducing end to produce 3,6-anhydro-L-galactose and agaropentaose, which is further hydrolyzed to agarobiose and agarotriose. With neoagarotetraose as substrate, the products are predominantly agarotriose and 3,6-anhydro-L-galactose. In Vibrio sp. the actions of EC 3.2.1.81 and EC 3.2.1.159 can be used to degrade agarose to 3,6-anhydro-L-galactose and D-galactose.
Cross-references
BRENDA	3.2.1.159
EC2PDB	3.2.1.159
ExplorEnz	3.2.1.159
PRIAM enzyme-specific profiles	3.2.1.159
KEGG Ligand Database for Enzyme Nomenclature	3.2.1.159
IUBMB Enzyme Nomenclature	3.2.1.159
IntEnz	3.2.1.159
MEDLINE	Find literature relating to 3.2.1.159
MetaCyc	3.2.1.159
Rhea expert-curated reactions	3.2.1.159