Entry
Name
1,3-beta-oligoglucan phosphorylase;
beta-1,3-oligoglucan:orthophosphate glucosyltransferase II;
beta-1,3-oligoglucan phosphorylase;
1,3-beta-D-oligoglucan:phosphate alpha-D-glucosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
(1->3)-beta-D-glucan:phosphate alpha-D-glucosyltransferase
Reaction(IUBMB)
[(1->3)-beta-D-glucosyl]n + phosphate = [(1->3)-beta-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate [RN:
R03116 R06018 ]
Reaction(KEGG)
Substrate
[(1->3)-beta-D-glucosyl]n;
phosphate [CPD:
C00009 ]
Product
[(1->3)-beta-D-glucosyl]n-1;
alpha-D-glucose 1-phosphate [CPD:
C00103 ]
Comment
Does not act on laminarin. Differs in specificity from EC
2.4.1.31 (laminaribiose phosphorylase) and EC
2.4.1.97 (1,3-beta-D-glucan phosphorylase).
History
EC 2.4.1.30 created 1972
Reference
Authors
Marechal LR.
Title
Beta-1,3-oligoglucan:orthophosphate glucosyltransferases from Euglena gracilis. I. Isolation and some properties of a beta-1,3-oligoglucan phosphorylase.
Journal
Reference
Authors
Marechal LR.
Title
Beta-1,3-oligoglucan: orthophosphate glucosyltransferases from Euglena gracilis. II. Comparative studies between laminaribiose- and beta-1,3-oligoglucan phosphorylase.
Journal
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.30
ExPASy - ENZYME nomenclature database: 2.4.1.30