KEGG ENZYME: 2.3.1.77

ENZYME: 2.3.1.77

Entry

EC 2.3.1.77                 Enzyme

Name

triacylglycerol---sterol O-acyltransferase;
triacylglycerol:sterol acyltransferase

Class

Transferases;
Acyltransferases;
Transferring groups other than aminoacyl groups

Sysname

triacylglycerol:3beta-hydroxysteroid O-acyltransferase

Reaction(IUBMB)

triacylglycerol + a 3beta-hydroxysteroid = diacylglycerol + a 3beta-hydroxysteroid ester [RN:R04055]

Reaction(KEGG)

R04055

Substrate

triacylglycerol [CPD:C00422];
3beta-hydroxysteroid [CPD:C02945]

Product

diacylglycerol [CPD:C00165];
3beta-hydroxysteroid ester [CPD:C03587]

Comment

Tripalmitoylglycerol and, more slowly, other triacylglycerols containing C6 to C22 fatty acids, can act as donors. The best acceptors are 3beta-hydroxysteroids with a planar ring system.

History

EC 2.3.1.77 created 1984

Reference

Authors

Zimowski, J. and Wojciechowski, Z.A.

Title

Acyl donors for sterol esterification by cell-free preparations from Sinapis alba roots.

Journal

Phytochemistry 20:1799-1803 (1981)

Other DBs

ExplorEnz - The Enzyme Database:

2.3.1.77

IUBMB Enzyme Nomenclature:

2.3.1.77

ExPASy - ENZYME nomenclature database:

2.3.1.77

BRENDA, the Enzyme Database:

2.3.1.77

CAS:	80487-96-3

All links

Chemical substance (4)   
   KEGG COMPOUND (4)   
Chemical reaction (3)   
   KEGG REACTION (1)   
   KEGG RCLASS (2)   
DNA sequence (2)   
   GenBank (1)   
   EMBL (1)   
All databases (9)   

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