1. Novel nitrite reductases have been isolated from strains of this species. 2. Most oxidases and reductases are proton pumps, but some are not. 3. Class III reductases are distributed in archaebacteria, eubacteria, and bacteriophages. 4. Trypanothione-dependent enzymes include reductases , peroxidases, glyoxalases and transferases. 5. It is also used in biochemical experiments as an inhibitor of reductases . 6. This flexibility is possible because different oxidases and reductases use the same ubiquinone pool. 7. Class I reductases are divided into IA and IB due to differences in regulation. 8. Siroheme is a co-factor of both assimilatory and dissimilatory nitrite and sulfite reductases . 9. Most of the photosynthetic bacteria have both light-dependent and light-independent reductases . 10. Class IA reductases are distributed in eukaryotes, S-adenosyl methionine and an iron sulphur center.
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