ID 1.7.2.5 DE nitric-oxide reductase (cytochrome c). CA 2 Fe(III)-[cytochrome c] + H2O + nitrous oxide = 2 Fe(II)-[cytochrome c] CA + 2 H(+) + 2 nitric oxide. CC -!- The enzyme from Pseudomonas aeruginosa contains a dinuclear center CC comprising a non-heme iron center and heme b3, plus heme c, heme b CC and calcium; the acceptor is cytochrome c551. CC -!- Formerly EC 1.7.99.7. DR Q59647, NORB_PSEAE ; P98008, NORB_STUST ; //