Abstract

소 간으로부터 퀴논 환원효소를 정제하였으며 정제된 효소는 벤조퀴논과 나프토퀴논 뿐만 아니라 페난트렌 퀴논의 환원도 촉매하였다. 소 간으로부터 정제된 퀴논 환원 효소는 아릴니트로소 화합물의 생변환을 촉매하였으며 반응 생성물은 TLC, GC, GC-MS, NMR을 사용하여 확인되었다. 이 반응은 포유동물 퀴논 환원효소의 강력한 저해제인 Cibacron blue 3GA나 dicumarol에 의하여 크게 저해되었다. Quinone reductase was purified to homogeneity from bovine liver and the purified enzyme catalyzed the reduction of phenanthrenequinone as well as benzo- and naphthoquinones. The enzyme catalyzed the biotransformation of arylnitroso nitroso compound and the reaction product was identified by TLC, GC, CC-MS and NMR. The reaction was almost entirely inhibitable by Cibacron blue 3GA or dicumarol, potent inhibitors of mammalian quinone reductase.

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