Term Information

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Accession
GO:0004461
Name
lactose synthase activity
Ontology
molecular_function
Synonyms
UDP-galactose-glucose galactosyltransferase activity, UDP-galactose:D-glucose 4-beta-D-galactotransferase activity, UDPgalactose-glucose galactosyltransferase activity, UDPgalactose:D-glucose 4-beta-D-galactotransferase activity, lactose synthetase activity, uridine diphosphogalactose-glucose galactosyltransferase activity
Alternate IDs
None
Definition
Catalysis of the reaction: UDP-galactose + D-glucose = UDP + lactose. Source: EC:2.4.1.22
Comment
None
History
See term history for GO:0004461 at QuickGO
Chem. react.
has participant UDP-alpha-D-galactose(2-)
has participant lactose
has participant hydron
has participant D-glucopyranose
has participant UDP(3-)
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Parents of lactose synthase activity (GO:0004461)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
lactose synthase activity [is_a relation] is_a  UDP-galactosyltransferase activity (GO:0035250)
lactose synthase activity [RO:0000057 relation] RO:0000057  UDP-alpha-D-galactose(2-) (CHEBI:66914)
lactose synthase activity [RO:0000057 relation] RO:0000057  lactose (CHEBI:17716)
lactose synthase activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)
lactose synthase activity [RO:0000057 relation] RO:0000057  D-glucopyranose (CHEBI:4167)
lactose synthase activity [RO:0000057 relation] RO:0000057  UDP(3-) (CHEBI:58223)

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