2.4.1.334: 1,3-alpha-oligoglucan phosphorylase
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Reaction
Synonyms
Cphy_3314
ECTree
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Systematic Name
Systematic Name on EC 2.4.1.334 - 1,3-alpha-oligoglucan phosphorylase
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1,3-alpha-D-glucan:phosphate beta-D-glucosyltransferase
The enzyme, isolated from the bacterium Clostridium phytofermentans, catalyses a reversible reaction. Substrates for the phosphorolytic reaction are alpha-1,3-linked oligoglucans with a polymerisation degree of 3 or more. Nigerose (i.e. 3-O-alpha-D-glucopyranosyl-D-glucopyranose) is not phosphorylyzed but can serve as substrate in the reverse direction (cf. EC 2.4.1.279, nigerose phosphorylase).