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JCGG-STR008276 JCGG-STR013782
JCGG-STR008276 JCGG-STR030022
This gene encodes the enzyme that is involved in the synthesis of the Type 2 carbohydrate antigen (Galb1-4GlcNAc-R). This enzyme has the activity to transfer Gal from the donor UDP-Gal to the acceptor (GlcNAc-R) by the b1-4 bond. It is also known to be involved in the synthesis of the LACTOSE by binding to the α-lactalbumin and transferring the galactose to the glucose by using the UDP-galactose as a donor. On the other hand, it is also known that in the presence of the α-lactalbumin, the UDP-glucose is used as a donor and the glucose is also transferred to the N-acetylglucosamine.
lactose type II carbohydarte antigen α-lactalbumin


Alias GT1, GTB, GGTB2, B4GAL-T1, MGC50983, beta4Gal-T1    details
Designationbeta 1,4-galactosyltransferase 1
OrganismHomo sapiens
GeneID 2683
HGNC 924
mRNA NM_001497       (CDS)
Protein NP_001488       (CDS)
CAZy GT31   
OMIM 137060   
This page does not indicate all of the enzymatic reaction, and expression of "B4GALT1".