Title : Development of a new genotoxicity test system with Salmonella typhimurium OY1001/1A2 expressing human CYP1A2 and NADPH-P450 reductase.

Pub. Date : 1999 Jun 25

PMID : 10393280






1 Functional Relationships(s)
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1 Membrane fractions, when isolated from this tester strain, contained 0.04 P450 nmol/mg protein and a reductase activity of 170 nmol cytochrome c reduced/min/mg protein and were active in catalyzing CYP1A2-dependent 7-ethoxyresorufin O-deethylation and metabolic activation of heterocyclic aromatic amines to DNA-damaging products in a conventional tester S. typhimurium NM2009 strain, only when NADPH was added as a reducing equivalent. NADP cytochrome P450 family 1 subfamily A member 2 Homo sapiens