Title : Human N-demethylation of (S)-mephenytoin by cytochrome P450s 2C9 and 2B6.

Pub. Date : 1998 Aug

PMID : 9698292






2 Functional Relationships(s)
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1 Of the recombinant P450 isoforms tested, only CYP2B6 and CYP2C9 formed nirvanol from (S)-MP. ethylphenylhydantoin cytochrome P450 family 2 subfamily B member 6 Homo sapiens
2 Therefore, the N-demethylation of (S)-MP to nirvanol may be a useful means of probing the activity of CYP2B6 in vitro when concentrations of >1000 microM are used, but it is unlikely to be a suitable phenotyping tool for this isoform in vivo, where concentrations of >1000 microM are rarely encountered. ethylphenylhydantoin cytochrome P450 family 2 subfamily B member 6 Homo sapiens