The Enzyme Database

Your query returned 1 entry.    printer_iconPrintable version

EC 2.1.1.143     
Accepted name: 24-methylenesterol C-methyltransferase
Reaction: S-adenosyl-L-methionine + 24-methylenelophenol = S-adenosyl-L-homocysteine + (Z)-24-ethylidenelophenol
For diagram of sterol-sidechain modification, click here
Glossary: lophenol = 4α-methyl-5α-cholesta-7-en-3β-ol
Other name(s): SMT2; 24-methylenelophenol C-241-methyltransferase
Systematic name: S-adenosyl-L-methionine:24-methylenelophenol C-methyltransferase
Comments: This is the second methylation step of plant sterol biosynthesis (cf EC 2.1.1.142, cycloartenol 24-C-methyltransferase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 67165-89-3
References:
1.  Bouvier-Navé, P., Husselstein, T. and Benveniste, P. Two families of sterol methyltransferases are involved in the first and the second methylation steps of plant biosynthesis. Eur. J. Biochem. 256 (1998) 88–96. [PMID: 9746350]
[EC 2.1.1.143 created 2001]
 
 


Data © 2001–2016 IUBMB
Web site © 2005–2016 Andrew McDonald