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Keratan-sulfate endo-1,4-beta-galactosidase

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Keratan-sulfate endo-1,4-β-galactosidase
Identifiers
EC no.3.2.1.103
CAS no.55072-01-0
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Keratan-sulfate endo-1,4-β-galactosidase (EC 3.2.1.103, endo-β-galactosidase, keratan sulfate endogalactosidase, keratanase, keratan-sulfate 1,4-β-D-galactanohydrolase) is an enzyme with systematic name keratan-sulfate 4-β-D-galactanohydrolase.[1] It catalyses endohydrolysis of (1→4)-β-D-galactosidic linkages in keratan sulfate.

It hydrolyses the 1,4-β-D-galactosyl linkages adjacent to 1,3-N-acetyl-α-D-glucosaminyl residues.

References

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  1. ^ Fukuda MN, Matsumura G (October 1976). "Endo-β-galactosidase of Escherichia freundii. Purification and endoglycosidic action on keratan sulfates, oligosaccharides, and blood group active glycoprotein". The Journal of Biological Chemistry. 251 (20): 6218–25. PMID 135762.
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