A Hydroxylamine-CytochromecReductase Occurs in the Heterotrophic NitrifierArthrobacter globiformis

摘要

A partially purified cell-free extract ofArthrobacter globiformisshowed hydroxylamine-cytochromecreductase activity. The enzyme did not seem to contain cytochrome, it was activated by ferrous ions and inhibited by EDTA, and had an optimal pH of 9.