File:Biotin dependent carboxylases and citric acid cycle-de.svg
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English: Anaplerotic reactions catalysed by biotin dependent pyruvate carboxylase (PC) and propionyl-coenzyme A carboxylase (PCC) regenerate oxaloacetate for the citric acid cycle (tricarboxylic acid cycle, Krebs cycle). OXPHOS means oxidative phosphorylation, ATP is adenosine triphosphate. Simplified version.
Deutsch: Die biotinabhängigen Carboxylasen Pyruvat-Carboxylase (PC) und Propionyl-CoA-Carboxylase (PCC) katalysieren anaplerotische Reaktionen. Eine gewisse Menge Oxalacetat muss immer vorhanden sein, damit ausreichend Acetyl-CoA in den Citratzyklus eingehen kann, wodurch über die Atmungskette (oxidative Phosphorylierung, Oxphos) Adenosintriphosphat (ATP), CO2 und H2O entstehen. Die Gluconeogenese verbraucht Oxalacetat. Auch andere Biosynthesen gehen von Zwischenprodukten des Citratzyklus aus (nicht gezeichnet). Vereinfachte Darstellung.
J. M. Berg, J. L. Tymoczko, L. Stryer: Biochemie. 6. Auflage. Spektrum Akademischer Verlag, Elsevier GmbH, München 2007; S. 515f, 546f, 551, 697f; ISBN 978-3-8274-1800-5 |
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| Source | Eigenes Werk (own work) + Inkscape |
| Author | Spinnat |
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| current | 21:31, 31 May 2009 | | 780 × 434 (137 KB) | Spinnat (talk | contribs) | {{Information |Description={{en|1=Anaplerotic reactions catalysed by biotin dependent pyruvate carboxylase (PC) and propionyl-coenzyme A carboxylase (PCC) regenerate oxaloacetate for the citric acid cycle (tricarboxylic acid cycle, Krebs cycle). OXPHOS me |
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