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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
Bile-salt sulfotransferase.
Alternative Name(s)
Bile acid sulfotransferase I.
Bile acid:3'-phosphoadenosine-5'-phosphosulfate sulfotransferase.
Bile salt:3'phosphoadenosine-5'-phosphosulfate:sulfotransferase.
Glycolithocholate sulfotransferase.
Reaction catalysed
  • 3'-phosphoadenylyl sulfate + glycolithocholate <=> adenosine 3',5'-bisphosphate + glycolithocholate 3-sulfate
  • 3'-phosphoadenylyl sulfate + taurolithocholate <=> adenosine 3',5'-bisphosphate + taurolithocholate sulfate
  • The formation of sulfate esters of bile acids is an essential step in the prevention of toxicity by monohydroxy bile acids in many species.
  • This enzyme is both a bile salt and a 3-hydroxysteroid sulfotransferase.
  • In addition to the 5-beta-bile acid glycolithocholate, deoxycholate, 3-beta-hydroxy-5-cholenoate and dehydroepiandrosterone (3-beta- hydroxyandrost-5-en-17-one) also act as substrates (see also EC and EC
  • May be identical to EC
PRIAM enzyme-specific profiles2.8.2.14
KEGG Ligand Database for Enzyme Nomenclature2.8.2.14
IUBMB Enzyme Nomenclature2.8.2.14
MEDLINEFind literature relating to
Q06520, ST2A1_HUMAN;  P52842, ST2A1_MACFA;  P52843, ST2A1_MOUSE;  
P15709, ST2A1_RAT;  P50236, ST2A2_MOUSE;  

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