Title : Key residues controlling binding of diverse ligands to human cytochrome P450 2A enzymes.

Pub. Date : 2009 Jun

PMID : 19251817






3 Functional Relationships(s)
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1 The differences in the K(D) values for CYP2A6 versus CYP2A13 ranged from 74-fold for 2"-methoxyacetophenone to 1.1-fold for coumarin, with CYP2A13 demonstrating the higher affinity. coumarin cytochrome P450 family 2 subfamily A member 13 Homo sapiens
2 The differences in the K(D) values for CYP2A6 versus CYP2A13 ranged from 74-fold for 2"-methoxyacetophenone to 1.1-fold for coumarin, with CYP2A13 demonstrating the higher affinity. coumarin cytochrome P450 family 2 subfamily A member 13 Homo sapiens
3 Inclusion of four CYP2A13 amino acids resulted in a CYP2A6 mutant protein (I208S/I300F/G301A/S369G) with binding affinities for MAP and PEITC much more similar to those observed for CYP2A13 than to those for CYP2A6 without altering coumarin binding. coumarin cytochrome P450 family 2 subfamily A member 13 Homo sapiens