Title : Functional analysis of phenylalanine residues in the active site of cytochrome P450 2C9.

Pub. Date : 2008 Nov 11

PMID : 18922023






2 Functional Relationships(s)
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1 The two published crystal structures of cytochrome P450 2C9, complexed with ( S)-warfarin or flurbiprofen, implicate a cluster of three active site phenylalanine residues (F100, F114, F476) in ligand binding. Flurbiprofen cytochrome P450 family 2 subfamily C member 9 Homo sapiens
2 To elucidate the importance of CYP2C9"s active site phenylalanines on substrate binding, orientation, and catalytic turnover, a series of leucine and tryptophan mutants were constructed and their interactions with ( S)-warfarin and ( S)-flurbiprofen examined. Flurbiprofen cytochrome P450 family 2 subfamily C member 9 Homo sapiens