Information on EC 2.4.1.22 - lactose synthase

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EC Tree
     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.22 lactose synthase
IUBMB Comments
The enzyme is a complex of two proteins, A and B. In the absence of the B protein (alpha-lactalbumin), the enzyme catalyses the transfer of galactose from UDP-alpha-D-galactose to N-acetylglucosamine (EC 2.4.1.90 N-acetyllactosamine synthase).
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Synonyms
alpha-lactalbumin, B4GALT1, beta-1,4-galactosyltransferase, beta-1,4-galactosyltransferase 1, beta-GalT, beta1,4-galactosyltransferase, beta1,4-galactosyltransferase-1, beta1,4-galactosyltransferase1, beta4Gal-T1, c-LacdiNAcS, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
UDP-alpha-D-galactose + D-glucose = UDP + lactose
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PATHWAY SOURCE
PATHWAYS
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