IUBMB Enzyme Nomenclature

EC 2.4.1.31

Accepted name: laminaribiose phosphorylase

Reaction: 3-β-D-glucosyl-D-glucose + phosphate = D-glucose + α-D-glucose 1-phosphate

Systematic name: 3-β-D-glucosyl-D-glucose:phosphate α-D-glucosyltransferase

Comments: Also acts on 1,3-β-D-oligoglucans. Differs in specificity from EC 2.4.1.30 (1,3-β-oligoglucan phosphorylase) and EC 2.4.1.97 (1,3-β-D-glucan phosphorylase).

Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, CAS registry number: 37257-29-7

References:

1. Goldemberg, S.H., Maréchal, L.R. and De Souza, B.C. β-1,3-Oligoglucan: orthophosphate glucosyltransferase from Euglena gracilis. J. Biol. Chem. 241 (1966) 45-50. [PMID: 5901055]

2. Manners, D.J. and Taylor, D.C. Studies on carbohydrate metabolizing enzymes. XVI. Specificity of laminaribiose phosphorylase from Astasia ocellata. Arch. Biochem. Biophys. 121 (1967) 443-451.

[EC 2.4.1.31 created 1972]


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