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γ,γ‐Dimethyl‐allyl‐pyrophosphat und Geranyl‐pyrophosphat, biologische Vorstufen des Squalens Zur Biosynthese der Terpene, VI1)
Abstract
3‐Methyl‐Δ 3‐butenyl‐1‐pyrophosphat (Isopentenyl‐pyrophosphat) spielt im Stoffwechsel die Rolle eines „aktiven Isoprens”︁, d. h. es ist der gemeinsame Baustein aller unter die „Isoprenregel”︁ fallenden Naturstoffe. Es wird über die 6‐fache Anreicherung einer Isopentenyl‐pyrophosphat‐Isomerase aus Hefe berichtet, die Isopentenyl‐pyrophosphat in Dimethyl‐allyl‐pyrophosphat umwandelt, das dann als Starter für den Aufbau von Terpen‐Kohlenstoffketten aus C 5‐Einheiten dient. Die Verknüpfung der C 5‐Einheiten besorgt das Enzym Farnesyl‐pyrophosphat‐Synthetase, das aus Hefe 20‐fach angereichert werden konnte. Setzt man in die Synthetase‐Reaktion Isopentenyl‐pyrophosphat neben einem großen Überschuß von Dimethyl‐allyl‐pyrophosphat ein, so läßt sich als erstes Kondensationsprodukt Geranyl‐pyrophosphat nachweisen, das durch Anfügen einer weiteren C 5‐Einheit in Farnesylpyrophosphat übergeht. Damit sind jetzt alle Syntheseschritte geklärt, die auf dem Wege vom Acetyl‐CoA zum Squalen liegen, das seinerseits wieder Vorstufe der cyclischen Triterpene und Sterine ist.
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Citations
Cited by
The Biological Synthesis of Cholesterol
Bloch, K. (1965) · Science · doi:10.1126/science.150.3692.19 · Cited by 560
Biochemistry of Mitochondrial Coenzyme Q Biosynthesis
Stefely, J. A., & Pagliarini, D. J. (2017) · Trends in Biochemical Sciences · doi:10.1016/j.tibs.2017.06.008 · Cited by 331
Isopentenyl diphosphate isomerase: A checkpoint to isoprenoid biosynthesis
Berthelot, K., Estevez, Y., Deffieux, A., & Peruch, F. (2012) · Biochimie · doi:10.1016/j.biochi.2012.03.021 · Cited by 180
Metadata
- Authors
- Lynen, F., Agranoff, B. W., Eggerer, H., Henning, U., & Möslein, E. M.
- Venue
- Angewandte Chemie
- Publisher
- Wiley
- Published
- 1959-11-07
- Volume
- 71
- Issue
- 21
- Pages
- 657-663
- ISSN
- 0044-8249 (ISSN-L)
- 1521-3757
- OpenAlex
- W2170153354
- Cited by
- 196
- References
- 0
- FWCI
- 14.77
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: γ,γ‐Dimethyl‐allyl‐pyrophosphat und Geranyl‐pyrophosphat, biologische Vorstufen des Squalens Zur Biosynthese der Terpene, VI1). https://app.cochat.ai/papers/10.1002/ange.19590712102
- The paper
- Lynen, F., Agranoff, B. W., Eggerer, H., Henning, U., & Möslein, E. M. (1959). γ,γ‐Dimethyl‐allyl‐pyrophosphat und Geranyl‐pyrophosphat, biologische Vorstufen des Squalens Zur Biosynthese der Terpene, VI1). Angewandte Chemie. https://doi.org/10.1002/ange.19590712102
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