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Squalene methyltransferase (, ''TMT-1'', ''TMT-2'') is an enzyme with system name ''S-adenosyl-L-methionine:squalene C-methyltransferase''. This enzyme catalyses the following chemical reaction : 2 S-adenosyl-L-methionine + squalene 2 S-adenosyl-L-homocysteine + 3,22-dimethyl-1,2,23,24-tetradehydro-2,3,22,23-tetrahydrosqualene (overall reaction) :(1a) S-adenosyl-L-methionine + squalene S-adenosyl-L-homocysteine + 3-methyl-1,2-didehydro-2,3-dihydrosqualene :(1b) S-adenosyl-L-methionine + 3-methyl-1,2-didehydro-2,3-dihydrosqualene S-adenosyl-L-homocysteine + 3,22-dimethyl-1,2,23,24-tetradehydro-2,3,22,23-tetrahydrosqualene There are two isoforms in the green alga ''Botryococcus braunii'' BOT22 that differ in their specificity . == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Squalene methyltransferase」の詳細全文を読む スポンサード リンク
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