The Enzyme Database

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Accepted name: 1,3-β-D-glucan phosphorylase
Reaction: [(1→3)-β-D-glucosyl]n + phosphate = [(1→3)-β-D-glucosyl]n-1 + α-D-glucose 1-phosphate
Other name(s): laminarin phosphoryltransferase; 1,3-β-D-glucan:orthophosphate glucosyltransferase; 1,3-β-D-glucan:phosphate α-D-glucosyltransferase
Systematic name: (1→3)-β-D-glucan:phosphate α-D-glucosyltransferase
Comments: Acts on a range of β-1,3-oligoglucans, and on glucans of laminarin type. Different from EC (1,3-β-oligoglucan phosphorylase) and EC (laminaribiose phosphorylase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37340-31-1
1.  Albrecht, G.J. and Kauss, H. Purification, crystallization and properties of a β-(1→3)-glucan phosphorylase from Ochromonas malhamensis. Phytochemistry 10 (1971) 1293–1298.
[EC created 1978]

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