KEGG   ENZYME: 2.4.1.388
Entry
EC 2.4.1.388                Enzyme                                 
Name
glucosylgalactose phosphorylase;
4-O-beta-D-glucosyl-D-galactose phosphorylase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
Sysname
beta-D-glucosyl-(1->4)-D-galactose:phosphate alpha-D-glucosyltransferase (configuration-inverting)
Reaction(IUBMB)
beta-D-glucosyl-(1->4)-D-galactose + phosphate = alpha-D-glucopyranose 1-phosphate + D-galactopyranose [RN:R12979]
Reaction(KEGG)
R12979
Substrate
beta-D-glucosyl-(1->4)-D-galactose [CPD:C22492];
phosphate [CPD:C00009]
Product
alpha-D-glucopyranose 1-phosphate;
D-galactopyranose [CPD:C00124]
Comment
The enzyme from the bacterium Paenibacillus polymyxa belongs to glycoside hydrolase family 94. It has a much lower activity with 4-O-beta-D-glucosyl-L-arabinose.
History
EC 2.4.1.388 created 2022
Orthology
K25764  glucosylgalactose phosphorylase
Genes
PPOLX809_13270
PTRIKDC22_24050
RIXRO1_07060
RRKH8S51_011640
CCOMI6K69_06860
Reference
1  [PMID:34541742]
  Authors
De Doncker M, De Graeve C, Franceus J, Beerens K, Kren V, Pelantova H, Vercauteren R, Desmet T.
  Title
Exploration of GH94 Sequence Space for Enzyme Discovery Reveals a Novel Glucosylgalactose Phosphorylase Specificity.
  Journal
Chembiochem 22:3319-3325 (2021)
DOI:10.1002/cbic.202100401
  Sequence
[ppol:X809_13270]
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.388
IUBMB Enzyme Nomenclature: 2.4.1.388
ExPASy - ENZYME nomenclature database: 2.4.1.388
BRENDA, the Enzyme Database: 2.4.1.388

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