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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Biochim Biophys Acta. 2013 Apr 2;1827(0):10.1016/j.bbabio.2013.03.010. doi: 10.1016/j.bbabio.2013.03.010

Fig. 5.

Fig. 5

Ammonia oxidation pathway in Nitrosomonas europaea. Hydroxylamine (which is produced from the oxidation of ammonia from ammonia monooxygenase) is oxidized by hydroxylamine oxidoreductase (HAO). Electrons are then transferred through cytochromes c554, c552, and finally to cytochrome c oxidase.