| EPR and UV—vis studies of biomimetic complexes of molybdoenzyme and tungstoenzyme |
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| 引用本文： | LU Xiaoming,,LIU Shuncheng,MAO Xi抋n,YE Zhaohui & LU Jingfen . Department of Chemistry,Capital Normal University,Beijing ,China, . Wuhan Institute of Physics and Mathematics,Chinese Academy of Sciences,Wuhan ,China, . State Key Laboratory of Natural and Biomimetic Drugs,Medicine Science Center,Peking University,Beijing ,China.EPR and UV—vis studies of biomimetic complexes of molybdoenzyme and tungstoenzyme[J].中国科学通报(英文版),2003,48(7):649-651. |
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| 作者姓名： | LU Xiaoming LIU Shuncheng MAO Xi抋n YE Zhaohui & LU Jingfen . |
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| 作者单位： | LU Xiaoming1，2，LIU Shuncheng1，MAO Xi抋n2，YE Zhaohui2 & LU Jingfen3 1. Department of Chemistry，Capital Normal University，Beijing 100037，China; 2. Wuhan Institute of Physics and Mathematics，Chinese Academy of Sciences，Wuhan 430071，China; 3. State Key Laboratory of Natural and Biomimetic Drugs，Medicine Science Center，Peking University，Beijing 100083，China |
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| 基金项目： | 国家自然科学基金，北京市自然科学基金 |
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| 摘 要： | The biomimetic synthesis and the study of the ca-talysis mechanism of molybdenum and tungsten oxotransfer enzyme have been attracted considerable at-tention for a long time, because the oxotransfer enzymes play an important part in the nitrogen, sulfur and carbon cycles in the biological system1—4]. With the development of the X-ray crystallography, it is possible to determine the structure of molybdenum and tungsten enzymes. However, due to the complexity and dedicated nature of the protein…
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| 关 键 词： | 钼钨化合物 仿生物质 仿生合成 邻苯二酚 电子顺磁共振 紫外光谱 |
| 收稿时间： | 2002-10-10 |
| 修稿时间： | 2002-11-26 |
EPR and UV-vis studies of biomimetic complexes of molybdoenzyme and tungstoenzyme |
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| Xiaoming Lu,Shuncheng Liu,Xian Mao,Zhaohui Ye,Jingfen Lu.EPR and UV-vis studies of biomimetic complexes of molybdoenzyme and tungstoenzyme[J].Chinese Science Bulletin,2003,48(7):649-651. |
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| Authors: | Xiaoming Lu Shuncheng Liu Xian Mao Zhaohui Ye Jingfen Lu |
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| Institution: | (1)Department of Chemistry, Capital Normal University ,Beijing 100037 ,China;(2)Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences ,Wuhan 430071 ,China;(3)State Key Laboratory of Natural and Biomimetic Drugs, Medicine Science Center, Peking University ,Beijing 100083 ,China |
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| Abstract: | The Mo(V) and W(VI) complexes of (NH3CH2-CH 2NH2)3Mo(v)O2(OC6H4O)2] (1), (NH3CH2CH2NH2)2.5 Mo(V) 0.5W(VI) 0.5O2(OC6H4O)2] (2) and (NH3CH2CH2NH2)2-W (VI)O2(OC6H4O)2] (3) were synthesized by choosing catechol ligand which shows a good reductive property and taking advantage of E Mo > E W. Their EPR and UV-vis spectra were compared with the oxidized UV-vis spectra of xanthine dehydrogenase from chicken liver and xanthine oxidase from milk and the EPR spectrum of flavoenzyme from milk. |
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| Keywords: | catechol biomimetic complex of molybdoenzyme and tungstoenzyme crystal UV-vis EPR |
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