Acidipropionibacterium acidipropionici - 720074 Agrobacterium tumefaciens - 486850, 691351, 701767 Aspergillus nidulans - 486850 Bradyrhizobium japonicum - 486850, 706104 Caulobacter vibrioides - 758425 Caulobacter vibrioides CB15 - 758425 Cavia porcellus - 486820, 486843 Cereibacter sphaeroides - 486811, 486819, 486821, 486825, 486826, 486828, 486829, 486830, 486839, 486842, 486850, 661232, 758299 Cereibacter sphaeroides 2 isozymes 486844 Cereibacter sphaeroides enzyme exists in an inactive or low activity form which can under certain conditions become activated, spontaneous activation in presence of oxygen or an oxidizing agent shows a pH dependence with an optimum at about pH 7.0, assisted by 2-mercaptoethanol 486820