Coproporphyrinogenase activities in extracts of Rhodopseudomonas spheroides and Chromatium strain D.

Abstract

1. The anaerobic coproporphyrinogenase activity in an extract of Rhodopseudomonas spheroides is inhibited by 1,10-phenanthroline, alphaalpha'-bipyridyl, flavins, 2,4-dinitrophenol and 1,4-naphthaquinone. These compounds have no effect on the aerobic coproporphyrinogenase activity. 2. On removal of small-molecular-weight material from a crude extract, the… (More)

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