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MetaCyc Reaction: 3.2.1.102

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number: 3.2.1.102

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the direction in which it was curated.

Mass balance status: Balance undetermined; a substrate lacks a chemical formula

Enzyme Commission Primary Name: blood-group-substance endo-1,4-β-galactosidase

Enzyme Commission Synonyms: endo-β-galactosidase, blood-group-substance 1,4-β-D-galactanohydrolase

Taxonomic Range: Bacteria

Enzyme Commission Summary:
This enzyme catalyzes endohydrolysis of (1→4)-β-D-galactosidic linkages in blood group A and B substances.

Hydrolyses the 1,4-β-D-galactosyl linkages adjacent to a 1,3-α-D-galactosyl or N-acetylgalactosaminyl residues and a 1,2-α-D-fucosyl residue.

Citations: [Fukuda76 , Nakazawa75, Takasaki76]

Relationship Links: BRENDA:EC:3.2.1.102, ENZYME:EC:3.2.1.102, IUBMB-ExplorEnz:EC:3.2.1.102


References

Fukuda76: Fukuda MN, Matsumura G (1976). "Endo-beta-galactosidase of Escherichia freundii. Purification and endoglycosidic action on keratan sulfates, oligosaccharides, and blood group active glycoprotein." J Biol Chem 251(20);6218-25. PMID: 135762

Nakazawa75: Nakazawa K, Suzuki S (1975). "Purification of Keratan Sulfate-endogalactosidase and its action on keratan sulfates of different origin." J Biol Chem 250(3);912-7. PMID: 234443

Takasaki76: Takasaki S, Kobata A (1976). "Purification and characterization of an endo-beta-galactosidase produced by Diplococcus pneumoniae." J Biol Chem 251(12);3603-9. PMID: 6459


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
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