Zusammenfassung
Eisenporphyrin-Komplexe besitzen neben der Fähigkeit zum stöchiometrischen Disauerstoff-Transport vielfältige katalytische Funktionen im biochemischen Geschehen. Neben dem eigentlichen Häm-System (5.8) kommen auch Eisenkomplexe mit teilreduzierten Porphyrinliganden wie etwa Chlorin (→ Häm d) oder Sirohäm vor (vgl. 6.20). Häm-enthaltende Enzyme sind an Elektronentransport und -akkumulation, an der kontrollierten Umsetzung sauerstoffhaltiger Zwischenprodukte wie etwa 0 2−2 , NO −2 oder S0 2−3 sowie zusammen mit anderen prosthetischen Gruppen an komplexen Redoxprozessen beteiligt (vgl. die Cytochrom c-Oxidase, Kap. 10.4).
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© 1995 B. G. Teubner Stuttgart
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Kaim, W., Schwederski, B. (1995). Katalyse durch Hämoproteine: Elektronenübertragung, Sauerstoffaktivierung und Metabolismus anorganischer Zwischenprodukte. In: Bioanorganische Chemie. Teubner Studienbücher Chemie. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-91893-2_6
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