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Hydroxylation of o-halogenophenol and o-nitrophenol by salicylate hydroxylase
http://hdl.handle.net/2297/14572
http://hdl.handle.net/2297/1457290058cb7-9f39-44f1-9d0e-7fbd73568a10
名前 / ファイル | ライセンス | アクション |
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SC-PR-ITAGAKI-E-348.pdf (830.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Hydroxylation of o-halogenophenol and o-nitrophenol by salicylate hydroxylase | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Suzuki, Kenzi
× Suzuki, Kenzi× Gomi, Tomoharu× Kaidoh, Toshio× Itagaki, Eiji |
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著者別表示 |
板垣, 英治
× 板垣, 英治 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学自然科学研究科 | |||||
提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域自然システム学系 | |||||
書誌情報 |
Journal of Biochemistry 巻 109, 号 2, p. 348-353, 発行日 1991-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-924X | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00694073 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1093/oxfordjournals.jbchem.a123384 | |||||
出版者 | ||||||
出版者 | 日本生化学会 = Japanese Biochemical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Salicylate hydroxylase [EC 1.14.13.1] from Pseudomonas putida catalyzed the formation of catechol from substrate analogues such as o-nitro-, o-amino-, o-iodo-, o-bromo-, and o-chloro-phenol by removing the ortho-substituted groups.They are converted into nitrite, ammonia, and halide ions, respectively. Kinetic parameters of these reactions were determined by spectrophotometric and polarographic methods. Hydroxylation of o-nitro- or o-iodophenol proceeds with the unusual stoichiometry of 2 : 1 : 1 for consumed NADH, O2-uptake, and catechol formed. Other ortho-substituted phenols examined also gave the same results. Like salicylate, these substrates perturb the absorption spectrum of salicylate hydroxylase in the visible region, indicating the formation of enzyme·substrate complexes. Titration experiments with ortho-substituted phenols gave the dissociation constants of the complexes. The complexes were quantitatively reduced with NADH or dithionite without detectable formation of the intermediates. The fact that one atom of 18O2 was incorporated into the produced catechol in hydroxylation of o-nitrophenol indicates that the reaction is of monooxygenase nature. It is concluded that salicylate hydroxylase cleaves the C-N and C-X bonds of ortho-substituted phenols. | |||||
権利 | ||||||
権利情報 | Copyright © 1991 Japanese Biochemical Society | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://jb.oxfordjournals.org/cgi/content/abstract/109/2/348 |