Characterization of ferrochelatase in kidney and erythroleukemia cells.

Abstract

Ferrochelatase from bovine kidney mitochondria has been purified 1600-fold with a 6.5% yield, exhibiting a specific activity of 490 nmol mesoheme formed/mg of protein per min. The Km values for mesoporphyrin IX and protoporphyrin IX with iron were 12.5 and 12.7 microM, respectively. The Km values for iron and zinc with mesoporphyrin IX were 3.51 and 3.17… (More)

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