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FEBS Lett. 1994 Apr 18;343(1):70-4.

Structural and enzymological analysis of the interaction of isolated domains of cytochrome P-450 BM3.

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  • 1Department of Biochemistry, University of Glasgow, UK.


The interactions of the individually expressed haem- and flavin-containing domains of cytochrome P-450 BM3 have been analysed by enzymological and spectroscopic techniques. Electron transfer between the isolated domains occurs at a much lower rate than that occurring in the intact flavocytochrome. CD spectroscopic studies indicate that the linkage of the domains in intact P-450 BM3 creates haem and amino acid environments suitable for efficient electron transfer from its flavin domain.

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