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Parkeol
Parkeol is a relatively uncommon sterol secondary metabolite found mostly in plants, particularly noted in ''Butyrospermum parkii'' (now called ''Vitellaria paradoxa'', or the shea tree). It can be synthesized as a minor product by several oxidosqualene cyclase enzymes, and is the sole product of the enzyme parkeol synthase. Parkeol is the dominant sterol found in the planctomycete ''Gemmata obscuriglobus'', a rare example of a sterol-synthesizing prokaryote. The only other sterol identified in this organism is lanosterol, a key component of the sterol biosynthetic pathway in animals and fungi; this relatively limited sterol repertoire may resemble the early evolution of sterol synthesis, which is ubiquitous in eukaryotes. ==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「Parkeol」の詳細全文を読む
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