Title : Analysis of human cytochrome P450 2C8 substrate specificity using a substrate pharmacophore and site-directed mutants.

Pub. Date : 2004 Dec 14

PMID : 15581350






3 Functional Relationships(s)
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Protein Name
Organism
1 Analysis of the structural features common to CYP2C8 substrates exhibiting a micromolar K(m) led to a substrate pharmacophore in which the site of oxidation by CYP2C8 is 12.9, 8.6, 4.4, and 3.9 A from features that could establish ionic or hydrogen bonds, and hydrophobic interactions with protein amino acid residues. Hydrogen cytochrome P450 family 2 subfamily C member 8 Homo sapiens
2 Analysis of the structural features common to CYP2C8 substrates exhibiting a micromolar K(m) led to a substrate pharmacophore in which the site of oxidation by CYP2C8 is 12.9, 8.6, 4.4, and 3.9 A from features that could establish ionic or hydrogen bonds, and hydrophobic interactions with protein amino acid residues. Hydrogen cytochrome P450 family 2 subfamily C member 8 Homo sapiens
3 Serine 100 appears to be involved in hydrogen bonding interactions with a polar site of the CYP2C8 substrate pharmacophore, as shown by the 3-4-fold increase in the K(m) of paclitaxel and DMZ hydroxylation after the S100A mutation. Hydrogen cytochrome P450 family 2 subfamily C member 8 Homo sapiens