ENTRY       EC 3.2.1.103
NAME        Keratan-sulfate endo-1,4-beta-galactosidase
            Endo-beta-galactosidase
CLASS       Hydrolases
            Glycosidases
            Hydrolysing O-glycosyl compounds
SYSNAME     Keratan-sulfate 1,4-beta-D-galactanoylhydrolase
REACTION    Endohydrolysis of 1,4-beta-galactosidic linkages in keratan
            sulfate
SUBSTRATE   Keratan sulfate
            H2O
COMMENT     Hydrolyses the 1,4-beta-D-galctosyl linkages adjacent to
            1,3-alpha-D-N-acetyl-glucosaminyl residues. Also acts on some
            non-sulfated oligosaccharides, but only acts on blood group
            substances when the 1,2-linked fucosyl residues have been
            removed (cf. EC 3.2.1.102).
DBLINKS     University of Geneva ENZYME DATA BANK: 3.2.1.103
            WIT (What Is There) Metabolic Reconstruction: 3.2.1.103
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