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Piperonyl butoxide-mediated inhibition of cytochrome P450-catalysed insecticide metabolism: a rational approach

✍ Scribed by Keserü, György M; Kolossváry, István; Bertók, Béla

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 58 KB
Volume: 55
Category: Article
ISSN: 1526-498X
DOI: 10.1002/(sici)1096-9063(199910)55:10<1004::aid-ps841>3.0.co;2-6

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✦ Synopsis

The inhibitory effect of piperonyl butoxide (PBO) on cytochrome P450 was studied by theoretical methods. Binding conformations of PBO were obtained by the recently developed lowmode conformational search within the active site of cytochrome P450 cam . Increased activity of PBO relative to other methylendioxyphenyl inhibitors was rationalized by its decreased conformational mobility and the steric block created by its long side-chain in the substrate access channel of the enzyme.

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Inhibitors of cytochrome P450 catalyzed insecticide metabolism: A rational approach

✍ György M. Keserü; István Kolossváry; István Székely 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 329 KB 👁 1 views

The inhibition of cytochrome P450 mediated oxidative metabolism affected by methylenedioxyphenyl synergists was studied by theoretical methods. Binding w Ž . conformations of safrole-based inhibitors piperonyl butoxide PBO , safrole, and x izosafrole were obtained by the recently developed low-mode