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2.3.1.26: sterol O-acyltransferase

This is an abbreviated version!
For detailed information about sterol O-acyltransferase, go to the full flat file.

Word Map on EC 2.3.1.26

Reaction

a long-chain acyl-CoA
+
a sterol
=
CoA
+
a long-chain 3-hydroxysterol ester

Synonyms

A2, ACAT, ACAT-1, ACAT-2, ACAT1, ACAT2, acyl coenzyme A-cholesterol-O-acyltransferase, acyl coenzyme A: cholesteryl acyltransferase, acyl-CoA cholesterol acyltransferase, acyl-CoA cholesterol O-acyltransferase, acyl-CoA: cholesterol acyltransferase, acyl-CoA:cholesterol acyltransferase, acyl-CoA:cholesterol acyltransferase 1, acyl-CoA:cholesterol acyltransferase 2, acyl-coA:cholesterol o-acyl transferase 2, acyl-coenzyme A: cholesterol acyltransferase, acyl-coenzyme A:cholesterol acyltransferase, acyl-coenzyme A:cholesterol acyltransferase 1, acyl-coenzyme A:cholesterol acyltransferase 2, acyl-coenzyme A:cholesterol acyltransferase-1, acyl-coenzyme A:cholesterol O-acyltransferase, acyl-coenzymeA cholesterol acyltransferase, acyl-coenzymeA:cholesterol acyl-transferase, acylcoenzyme A:cholesterol O-acyltransferase, acyltransferase, cholesterol, AsAT, cholesterol acyltransferase, cholesterol acyltransferase 2, cholesterol ester synthase, cholesterol ester synthetase, cholesteryl ester synthetase, hACAT, hACAT-1, hACAT-2, hACAT1, SOAT, SOAT!, Soat1, Soat2, sterol O-acyltransferase 2, sterol-ester synthase, sterol-ester synthetase, steroyl O-acyltransferase 1, steroyl O-acyltransferase 2

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.26 sterol O-acyltransferase

KM Value

KM Value on EC 2.3.1.26 - sterol O-acyltransferase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.00163 - 0.06
cholesterol
0.00000266 - 0.00001218
cis-9-octadecenoyl-CoA
0.0022
elaidoyl-CoA
-
-
0.0028
linoleoyl-CoA
-
-
0.0013 - 0.069
oleoyl-CoA
0.038
palmitoyl-CoA
-
-
0.0012
pregnenolone
pH 7.4, 37°C, with cholesterol (0.32 mM). Without cholesterol, the Km for pregnenolone is too high to be measurable
0.0064
stearoyl-CoA
-
pH and temperature not specified in the publication
additional information
additional information
-