24-Methylenelophenol, or gramisterol, also called 4α-methyl-5α-ergosta-7,24(28)-dien-3β-ol is a metabolic intermediate of sterol biosynthesis of plants and fungis, can be converted from 4α-methylfecosterol by enzyme HYD1 and converted to (Z)-24-ethylidenelophenol by 24-methylenesterol C-methyltransferase.
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