… The tetraheme cytochrome c 554 (cyt c 554 ) from Nitrosomonaseuropaea is believed to …
We show here that cyt c 554 also has significant NO reductase activity. The protein contains …

… Specific fumarate reductase activities were 20- to 30-fold higher in the soluble fraction than
in the other fractions (Table 3), with 98% of the total fumarate reductase activity in the soluble …

… Assay of nitrite reductase activity Nitrite reductase activity was measured at 37 C using
photometric recording of the oxidation of reduced benzyl viologen by nitrite as described [1]. One …

… architecture in Shewanella small tetraheme cytochrome c and soluble fumarate reductase
provides a pathway for directional electron transfer. Thus, the tetraheme architectures do not …

… of the monomeric nitrite reductase, was assigned to the 22 kDa c-type cytochrome subunit. …
The characteristic features at g 9.8 and 3.8 were also reported for the tetraheme cytochrome …

… multiple hemes of cyt c m552 . This is reminiscent of ligand binding to the tetraheme cyt c 554
… A similar result is observed for the tetraheme cyt c 3 that contains four low-spin hemes and …

… The tetraheme cytochrome c 554 displays no significant sequence homology to … tetraheme
cytochrome c 3 module. However, in the case of the pentaheme cytochrome c nitrite reductase…

… Although IfcA has fumarate reductase activity in vitro, it appears that it is nonfunctional in
fumarate reduction in vivo because of the way it is regulated. ifcA mutants in which the gene …

… reductase activities of several members of the cytochrome c3 … The Cr VI) reductase activity
of various cytochromes c purified from … similarities between the tetraheme cytochrome c3 from …

… Low molecular weight kit markers for SDS electrophoresis (Pharmacia Biotech 17-0446-01)
were used for the calibration of APS reductase and tetraheme cytochrome c3. The protein …