| 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 |
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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. [DOI] [PMID: 9746350] |
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| [EC 2.1.1.143 created 2001] |
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