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EC 1.1.3.41 Details
EC number
1.1.3.41
Accepted name
alditol oxidase
Reaction
an alditol + O2 = an aldose + H2O2
Other name(s)
xylitol oxidase, xylitol:oxygen oxidoreductase, AldO
Systematic name
alditol:oxygen oxidoreductase
CAS registry number
177322-52-0
Comment
The enzyme from Streptomyces sp. IKD472 and from Streptomyces coelicolor is a monomeric oxidase containing one molecule of FAD per molecule of protein [1,2]. While xylitol (five carbons) and sorbitol (6 carbons) are the preferred substrates, other alditols, including L-threitol (four carbons), D-arabinitol (five carbons), D-galactitol (six carbons) and D-mannitol (six carbons) can also act as substrates, but more slowly [1,2]. Belongs in the vanillyl-alcohol-oxidase family of enzymes [2].
History
created 2002, modified 2008
EC Tree
1.1.99.15 created 1978, deleted 1980
1.1.99.17 created 1982, deleted 2003