KEGG   REACTION: R01100Help
Entry
R01100                      Reaction                               

Name
Lactose galactohydrolase
Definition
Lactose + H2O <=> D-Glucose + D-Galactose
Equation
Remark
Same as: R06114
Reaction class
RC00049  C00031_C00243  C00124_C00243
Enzyme
3.2.1.23        3.2.1.108
Other DBs
RHEA: 28662

KEGG   REACTION: R01105Help
Entry
R01105                      Reaction                               

Name
Galactan galactohydrolase
Definition
Galactan + H2O <=> D-Galactose + Galactan
Equation
Remark
Same as: R06202
Reaction class
RC00452  C00124_C05796
Enzyme
Pathway
rn00052  Galactose metabolism
Orthology
K01190  beta-galactosidase [EC:3.2.1.23]
K12308  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R01678Help
Entry
R01678                      Reaction                               

Name
Lactose galactohydrolase
Definition
Lactose + H2O <=> alpha-D-Glucose + D-Galactose
Equation
Remark
Same as: R06098
Reaction class
RC00049  C00124_C00243  C00243_C00267
Enzyme
3.2.1.23        3.2.1.108
Pathway
rn00052  Galactose metabolism
rn01100  Metabolic pathways
Orthology
K01190  beta-galactosidase [EC:3.2.1.23]
K01229  lactase-phlorizin hydrolase [EC:3.2.1.108 3.2.1.62]
K12111  evolved beta-galactosidase subunit alpha [EC:3.2.1.23]
K12112  evolved beta-galactosidase subunit beta
K12309  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R03355Help
Entry
R03355                      Reaction                               

Name
beta-D-Galactosyl-1,4-beta-D-glucosylceramide galactohydrolase
Definition
beta-D-Galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide + H2O <=> beta-D-Glucosyl-(1<->1)-ceramide + D-Galactose
Equation
Remark
Same as: R06099
Reaction class
RC00049  C00124_C01290  C01190_C01290
Enzyme
Pathway
rn00600  Sphingolipid metabolism
rn01100  Metabolic pathways
Orthology
K01190  beta-galactosidase [EC:3.2.1.23]
K12309  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R04633Help
Entry
R04633                      Reaction                               

Name
D-Galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D- galactosyl-D-glucosylceramide galactohydrolase
Definition
D-Galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide + H2O <=> N-Acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide + D-Galactose
Equation
Remark
Same as: R06010
Reaction class
RC00049  C00124_C04911  C04884_C04911
Enzyme
Orthology
K12309  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R04783Help
Entry
R04783                      Reaction                               

Name
3-Ketolactose galactohydrolase
Definition
3-Ketolactose + H2O <=> 3-Keto-beta-D-galactose + beta-D-Glucose
Equation
Remark
Same as: R06144
Reaction class
RC00049  C00221_C05403  C05394_C05403
Enzyme
Orthology
K01190  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R05112Help
Entry
R05112                      Reaction                               

Name
Gal-beta1->3GalNAc-beta1->4Gal-beta1->4Glc-beta1->1'Cer galactohydrolase
Definition
GA1 + H2O <=> GA2 + D-Galactose
Equation
Remark
Same as: R05994
Reaction class
RC00049  C00124_C06136  C06135_C06136
Enzyme

KEGG   REACTION: R05994Help
Entry
R05994                      Reaction                               

Definition
GA1 + H2O <=> GA2 + D-Galactose
Equation
Remark
Same as: R05112
Enzyme

KEGG   REACTION: R06010Help
Entry
R06010                      Reaction                               

Definition
GM1 + H2O <=> GM2 + D-Galactose
Equation
Remark
Same as: R04633
Enzyme
Pathway
rn00604  Glycosphingolipid biosynthesis - ganglio series
rn01100  Metabolic pathways
Orthology
K12309  beta-galactosidase [EC:3.2.1.23]

KEGG   REACTION: R06098Help
Entry
R06098                      Reaction                               

Definition
Lactose + H2O <=> alpha-D-Glucose + D-Galactose
Equation
Remark
Same as: R01678
Enzyme
3.2.1.23        3.2.1.108

KEGG   REACTION: R06099Help
Entry
R06099                      Reaction                               

Definition
Lactosylceramide + H2O <=> Glucocerebroside + D-Galactose
Equation
Remark
Same as: R03355
Enzyme

KEGG   REACTION: R06114Help
Entry
R06114                      Reaction                               

Definition
Lactose + H2O <=> D-Glucose + D-Galactose
Equation
Remark
Same as: R01100
Enzyme
3.2.1.23        3.2.1.108
Orthology
K01190  beta-galactosidase [EC:3.2.1.23]
K01229  lactase-phlorizin hydrolase [EC:3.2.1.108 3.2.1.62]
K12111  evolved beta-galactosidase subunit alpha [EC:3.2.1.23]

KEGG   REACTION: R06144Help
Entry
R06144                      Reaction                               

Definition
3-Ketolactose + H2O <=> 3-Keto-beta-D-galactose + beta-D-Glucose
Equation
Remark
Same as: R04783
Enzyme

KEGG   REACTION: R06202Help
Entry
R06202                      Reaction                               

Definition
G10534(n+1) + H2O <=> D-Galactose + G10534(n)
Equation
G10534(n+1) + C00001 <=> C00124 + G10534(n)
Remark
Same as: R01105
Enzyme

KEGG   REACTION: R07807Help
Entry
R07807                      Reaction                               

Definition
G01977 + H2O <=> G13073 + D-Galactose
Equation
Enzyme
Pathway
rn00531  Glycosaminoglycan degradation
rn01100  Metabolic pathways
Module
M00079  Keratan sulfate degradation
Orthology
K12309  beta-galactosidase [EC:3.2.1.23]

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