The Enzyme Database

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Accepted name: galactose-6-sulfurylase
Reaction: Eliminates sulfate from the D-galactose 6-sulfate residues of porphyran, producing 3,6-anhydrogalactose residues
Glossary: porphyran = is a linear polysaccharide produced by the red algae Porphyra. Its backbone is composed of about 30% agarose repeating units (alternating D-galactose and 3,6-anhydro-α-L-galactopyranose residues joined by α-(1→3)- and β-(1→4)-linkages), with the remaining residues being 3-linked β-D-galactopyranose and 4-linked α-L-galactopyranose-6-sulfate.
Other name(s): porphyran sulfatase; galactose-6-sulfatase; galactose 6-sulfatase
Systematic name: D-galactose-6-sulfate:alkyltransferase (cyclizing)
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9030-36-8
1.  Rees, D.A. Enzymic desulphation of porphyran. Biochem. J. 80 (1961) 449–453. [PMID: 13740282]
2.  Rees, D.A. Enzymic synthesis of 3:6-anhydro-L-galactose within porphyran from L-galactose 6-sulphate units. Biochem. J. 81 (1961) 347–352. [PMID: 16748934]
[EC created 1965]

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