31. The systematic name of this enzyme class is "'rubredoxin : superoxide oxidoreductase " '. 32. The systematic name of this enzyme class is "'acetylacetone : oxygen oxidoreductase " '. 33. The systematic name of this enzyme class is "'hydrogen : acceptor oxidoreductase " '. 34. The systematic name of this enzyme class is "'hydrogen : quinone oxidoreductase " '. 35. The systematic name of this enzyme class is L-alanine : NAD + oxidoreductase ( deaminating ). 36. The systematic name of this enzyme class is "'glutathione : cystine oxidoreductase " '. 37. The systematic name of this enzyme class is "'glutathione : homocystine oxidoreductase " '. 38. The systematic name of this enzyme class is "'methanethiol : oxygen oxidoreductase " '. 39. The systematic name of this enzyme class is "'NADPH : quinone oxidoreductase " '. 40. The systematic name of this enzyme class is "'nitroalkane : oxygen oxidoreductase " '.