GLUCOSE, FATTY ACIDS CATABOLISM 



TABLE 2 



FLAVIN ENZYMES 



13 



Reaction 



Source 



Cofactor 



1. glycolic +02^ glyoxylic + H2O2 plants 



2. nitrate + TPNH (DPNH) -> nitrite + TPN^ (DPN") Nemospora, 



Aspergillus, 

 soy bean leaves 



3. nitrite + DPNH (TPNH) -^ hydroxylamine + DPN"' Nemospora, 



soy bean leaves 



4. hydroxylamine + DPNH (TPNH) -» NH3 + DPN^ Nemospora, 



soy bean leaves 



5. DPNH + H" + 2 cyt. C-Fe"^^ -^ DPN^ + 

 2 cyt. c-Fe*"^ + 2H^ 



6. TPNH (DPNH) + H^ + 2 cyt. c-Fe^^^ -^ TPN* 

 (DPN^) + 2H'^ + 2 cyt. c-Fe^"^ 



7. TPNH + H^ + 2 cyt. c-Fe^^^ -^ TPN^ + 

 2 cyt. c-Fe^"^ + 2H'^ 



8. benzoquinone + TPNH2 (DPNH2) -^ catechol 

 + TPN^ 



9. quinone + DPNH2 -^ hydroquinone + DPN^ 

 10. menadione quinone + (TPNH) DPNH ^ 



menadione + DPN^ 



heart, muscle 

 mitochondria 



microsomes 



yeast 



bacteria, 

 animal tissues 

 pea seeds 



animal and 

 plant tissues, 

 bacteria 



11. succinic + 2 cyt. b-Fe^^*(?) — > fumaric + 



2 cyt. b-Fe*^ mitochondria 



12. (G) acyl-CoA (C4-C8) + ETF -^ unsaturated 



acyl-CoA + ETFH2 mitochondria 



13. (Yi) acyl-CoA [Q^-Q.^^ + ETF -^ unsaturated 



acyl-CoA + ETFH2 mitochondria 



14. (Y2) acyl-CoA (C14--) + ETF -^ unsaturated 



acyl-CoA + ETFH2 mitochondria 



lY, ETF lYj 



15. Y2 FADH2 + 2 cyt. c-Fe^"^^ > Y^ FAD + 2 cyt. c-Fe^^ mito- 



[ G ( G chondria 



16. choline + 2 cyt. c-Fe^^^ -^ betaine aldehyde + 

 2 cyt. c-Fe^"^ 



17. aldehyde + O2 -^ acid + H2O2 



18. xanthine + O2 -^ uric + H2O2 (aldehydes, 

 purines, pterins, DPNH) 



19. D-amino acid + O2 -^ NHj + keto acid + H2O2 



20. L-amino acid + O2 -* NH3 + keto acid + H2O2 



21. glycine + O2 ^ NH3 + glyoxylic + H2O2 



22. monoamine + O2 ^ NH3 + aldehyde + H2O2 



23. diamine + O2 -» NH3 + aldehyde + H2O2 



24. H2 + E-FAD -^ E-FADH2 



mitochondria 

 mitochondria 



milk, bacteria, 



liver 



liver and kidney, 



mitochondria 



kidney, 



snake venom 



kidney, liver, 



microorganisms 



various tissues 



various tissues 



Clostridriiin}, 



Alicrococcus 



FAD 

 FAD-Mo 



FAD (Mn?) 

 FAD (Mn?) 



FAD-Fe 



FAD 

 FMN 

 FAD 

 FAD 

 FAD 



FAD 



FAD-Cu 



FAD 



FAD 



FAD 



FAD 

 FAD-Mo 



FAD-Mo 



FAD 



FMN 



FAD 



FAD 

 FAD 

 FAD-Mo 



Literature p. 124 



