Entry
Name
1,3-beta-galactosyl-N-acetylhexosamine phosphorylase;
lacto-N-biose phosphorylase;
LNBP;
galacto-N-biose phosphorylase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
beta-D-galactopyranosyl-(1->3)-N-acetyl-D-hexosamine:phosphate galactosyltransferase
Reaction(IUBMB)
beta-D-galactopyranosyl-(1->3)-N-acetyl-D-glucosamine + phosphate = alpha-D-galactopyranose 1-phosphate + N-acetyl-D-glucosamine [RN:
R05326 R06057 ]
Reaction(KEGG)
Substrate
beta-D-galactopyranosyl-(1->3)-N-acetyl-D-glucosamine [CPD:
C06372 ];
phosphate [CPD:
C00009 ]
Product
alpha-D-galactopyranose 1-phosphate [CPD:
C00446 ];
N-acetyl-D-glucosamine [CPD:
C00140 ]
Comment
Reaction also occurs with beta-D-galactopyranosyl-(1->3)-N-acetyl-D-galactosamine as the substrate, giving N-acetyl-D-galactosamine as the product.
History
EC 2.4.1.211 created 2001
Orthology
K15533 1,3-beta-galactosyl-N-acetylhexosamine phosphorylase
Genes
PLUT : EI981_18085(gnpA) EI981_23810(gnpA)
HHJ : NQ487_00420(gnpA) NQ487_13470(gnpA)
CSCI : HDCHBGLK_01377(lnpA)
CHYL : CE91St63_02230(lnbP)
AARG : Aargi30884_25920(lnbP_1) Aargi30884_25970(lnbP_2)
ABSI : A9CBEGH2_23240(lnbP_1) A9CBEGH2_23290(lnbP_2)
LCG : L3BBH23_22550(lnbP_1) L3BBH23_22610(lnbP_2)
ERB : A4V01_07185 A4V01_17980
EHN : H9Q80_11420(gnpA) H9Q80_11445(gnpA)
CIU : G4D55_05695(gnpA) G4D55_14880(gnpA)
PAK : HMPREF0675_3084(gnpA)
MCU : HMPREF0573_10220(gnpA)
BBP : BBPR_0233(lnbP) BBPR_1055(lnbP)
BBI : BBIF_0256(lnbP1) BBIF_1000(lnbP2)
BBV : HMPREF9228_1638(gnpA)
» show all
Taxonomy
Reference
Authors
Derensy-Dron D, Krzewinski F, Brassart C, Bouquelet S.
Title
Beta-1,3-galactosyl-N-acetylhexosamine phosphorylase from Bifidobacterium bifidum DSM 20082: characterization, partial purification and relation to mucin degradation.
Journal
Other DBs
ExPASy - ENZYME nomenclature database: 2.4.1.211