3.2.1.140: lacto-N-biosidase
This is an abbreviated version!
For detailed information about lacto-N-biosidase, go to the full flat file.
Word Map on EC 3.2.1.140
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3.2.1.140
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oligosaccharides
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bifidum
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lacto-n-tetraose
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milk
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infant
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glycoside
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gal
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glcnac
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lactose
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lacto-n-fucopentaose
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triantennary
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lacto-n-triose
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gut-associated
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lacto-n-neotetraose
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bifidobacterial
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tetrasaccharide
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transglycosylation
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glycosidases
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n-acetyllactosamine
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breast-fed
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galactosyl
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2-aminopyridine
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commensal
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sialyl
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microbiota
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subsite
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analysis
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synthesis
- 3.2.1.140
- oligosaccharides
- bifidum
- lacto-n-tetraose
- milk
- infant
- glycoside
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gal
- glcnac
- lactose
- lacto-n-fucopentaose
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triantennary
- lacto-n-triose
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gut-associated
- lacto-n-neotetraose
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bifidobacterial
- tetrasaccharide
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transglycosylation
- glycosidases
- n-acetyllactosamine
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breast-fed
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galactosyl
- 2-aminopyridine
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commensal
-
sialyl
- microbiota
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subsite
- analysis
- synthesis
Reaction
Synonyms
BbLNBase, BLLJ_1505, BLLJ_1506, GH20 lacto-N-biosidase, lacto-N-biosidase, lacto-N-biosidase (Streptomyces strain 142), LNBase, LnbB, LnbX
ECTree
3.2.1.140 lacto-N-biosidaseAdvanced search results
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results (Natural Substrates Products
Natural Substrates Products on EC 3.2.1.140 - lacto-N-biosidase
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NATURAL SUBSTRATE 
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
D-Gal-(1,3)-beta-GlcNAc-(1,3)-beta-D-Gal-(1,4)-D-Glc + H2O
lactose + D-galactosyl-beta-1,3-N-acetyl-D-glucosamine
lacto-N-tetraose + H2O
lacto-N-biose I + lactose
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-
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?
sialyllacto-N-tetraose a + H2O
lactose + Fuc-alpha-(1->2)-Gal-beta-(1->3)[Fuc-alpha-(1->4)]GlcNAc
D-Gal-(1,3)-beta-GlcNAc-(1,3)-beta-D-Gal-(1,4)-D-Glc + H2O
lactose + D-galactosyl-beta-1,3-N-acetyl-D-glucosamine
lacto-N-tetraose, major component of human milk oligosaccharides
lacto-N-biose I
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?
D-Gal-(1,3)-beta-GlcNAc-(1,3)-beta-D-Gal-(1,4)-D-Glc + H2O
lactose + D-galactosyl-beta-1,3-N-acetyl-D-glucosamine
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lacto-N-tetraose, major component of human milk oligosaccharides
lacto-N-biose I
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?
lacto-N-fucopentaose I + H2O
lactose + Fuc-alpha-(1->2)-Gal-beta-(1->3)-GlcNAc
Fuc-alpha-(1->2)-Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Glc
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-
?
lacto-N-fucopentaose I + H2O
lactose + Fuc-alpha-(1->2)-Gal-beta-(1->3)-GlcNAc
Fuc-alpha-(1->2)-Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Glc
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-
?
lacto-N-tetraose + H2O
lacto-N-biose + lactose
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-
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?
lacto-N-tetraose + H2O
lactose + lacto-N-biose
Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Glc
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-
?
lacto-N-tetraose + H2O
lactose + lacto-N-biose
Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Glc
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-
?
sialyllacto-N-tetraose a + H2O
lactose + Fuc-alpha-(1->2)-Gal-beta-(1->3)[Fuc-alpha-(1->4)]GlcNAc
Neu5Ac-alpha-(2->3)-Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Gal
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-
?
sialyllacto-N-tetraose a + H2O
lactose + Fuc-alpha-(1->2)-Gal-beta-(1->3)[Fuc-alpha-(1->4)]GlcNAc
Neu5Ac-alpha-(2->3)-Gal-beta-(1->3)-GlcNAc-beta-(1->3)-Gal-beta-(1->4)-Gal
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?
additional information
?
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human milk oligosaccharides are substrates and sole carbon source for Bifidobacterium bifidum colonizing the human intestinal tract. More than 130 types of human milk oligosaccharides have been isolated with the most abundant being lacto-N-tetraose, lacto-N-fucopentaose I, lacto-N-difucohexaose, and 2'-fucosyllactose
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-
?
additional information
?
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human milk oligosaccharides are substrates and sole carbon source for Bifidobacterium bifidum colonizing the human intestinal tract. More than 130 types of human milk oligosaccharides have been isolated with the most abundant being lacto-N-tetraose, lacto-N-fucopentaose I, lacto-N-difucohexaose, and 2'-fucosyllactose
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?
additional information
?
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human milk oligosaccharides are substrates and sole carbon source for Bifidobacterium bifidum colonizing the human intestinal tract. More than 130 types of human milk oligosaccharides have been isolated with the most abundant being lacto-N-tetraose, lacto-N-fucopentaose I, lacto-N-difucohexaose, and 2'-fucosyllactose
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-
?
additional information
?
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the native substrate are human milk oligosaccharides. Among the different structures, four molecular species, namely 2'-fucosyllactose, lacto-N-tetraose, lacto-N-fucopentaose I, and lacto-N-difucohexaose I, are most abundantly present and comprise more than 50% of the total oligosaccharides, unless the milk is derived from non-secretor or Lewis-negative subjects
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-
?
additional information
?
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the native substrate are human milk oligosaccharides. Among the different structures, four molecular species, namely 2'-fucosyllactose, lacto-N-tetraose, lacto-N-fucopentaose I, and lacto-N-difucohexaose I, are most abundantly present and comprise more than 50% of the total oligosaccharides, unless the milk is derived from non-secretor or Lewis-negative subjects
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-
?
additional information
?
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the native substrate are human milk oligosaccharides. Among the different structures, four molecular species, namely 2'-fucosyllactose, lacto-N-tetraose, lacto-N-fucopentaose I, and lacto-N-difucohexaose I, are most abundantly present and comprise more than 50% of the total oligosaccharides, unless the milk is derived from non-secretor or Lewis-negative subjects
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?
