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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Azinomycin B ： ウィキペディア英語版 Azinomycin B Azinomycin B is a natural product that contains densely assembled functionalities with potent antitumor activity.〔Zhao, Qunfei, Qingli He, Wei Ding, Mancheng Tang, Qianjin Kang, Yi Yu, Wei Deng, Qi Zhang, Jie Fang, Gongli Tang, and Wen Liu. "Characterization of the Azinomycin B Biosynthetic Gene Cluster Revealing a Different Iterative Type I Polyketide Synthase for Naphthoate Biosynthesis." Chemistry & Biology 15.7 (2008): 693-705. Web.〕 It is isolated from ''Streptomyces sahachiroi'' 〔Hata, T., Koga, F., Sano, Y., Kanamori, K., Matsumae, A., Sunagawa, R., Hoshi, T., Shima, T., Ito, S., and Tomizawa, S. (1954). Carzinophilin, a new tumor inhibitory substance produced by Streptomyces. I. J. Antibiot. 7A, 107–112.〕 which is reisolated from ''S. griseofuscus'' along with its naturally occurring analog Azinomycin A.〔Yokoi, K., Nagaoka, K., and Nakashima, T. (1986). Azinomycins A and B, new antitumor antibiotics. II. Chemical structures. Chem. Pharm. Bull. (Tokyo) 34, 4554–4561.〕 Azinomycin B can bind within the major groove of DNA and forms covalent interstrand crosslinks (ISCs) with the purine bases.〔Armstrong, R.W., Salvati, M.E., and Nguyen, M. (1992). Novel interstrand cross-links induced by the antitumor antibiotic carzinophillin/azinomycin B. J. Am. Chem. Soc. 114, 3144–3145.〕〔Hartley, J.A., Hazrati, A., Kelland, L.R., Khanim, R., Shipman, M., Suzenet, F., and Walker, L.F. (2000). A synthetic azinomycin analogue with demonstrated DNA cross-linking activity: Insights into the mechanism of action of this class of antitumor agent. Angew. Chem. Int. Ed. Engl. 39, 3467–3470.〕〔Coleman, R.S., Perez, R.J., Burk, C.H., and Nacarro, A. (2002). Studies on the mechanism of action of azinomycin B: definition of regioselectivity and sequence selectivity of DNA cross-link formation and clarification of the role of the naphthoate. J. Am. Chem. Soc. 124, 13008–13017.〕〔LePla, R.C., Landreau, C.A.S., Shipman, M., and Jones, G.D. (2005). On the origin of the DNA sequence selectivity of the azinomycins. Org. Biomol. Chem. 3, 1174–1175.〕 The DNA alkylation and crosslinking by azinomycin B suggests its potent antitumor activity.〔Kelly, G.T., Liu, C., Smith, R., III, Coleman, R.S., and Watanabe, C.M.H. (2006). Cellular effects induced by the antitumor agent azinomycin B. Chem. Biol. 13, 485–492.〕 == Biosynthesis == The biosynthesis of Azynomycin B includes a type 1 PKS and several NRPSs. 〔Zhao, Qunfei, Qingli He, Wei Ding, Mancheng Tang, Qianjin Kang, Yi Yu, Wei Deng, Qi Zhang, Jie Fang, Gongli Tang, and Wen Liu. "Characterization of the Azinomycin B Biosynthetic Gene Cluster Revealing a Different Iterative Type I Polyketide Synthase for Naphthoate Biosynthesis." Chemistry & Biology 15.7 (2008): 693-705. Web.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Azinomycin B」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.