Protein Information

Name cytochrome P450 (protein family or complex)
Synonyms cytochrome P450; cytochrome P 450; CYP450; CYP 450

Compound Information

Name chlorotoluron
CAS

Reference List

PubMed Abstract RScore(About this table)
7925408 Pierrel MA, Batard Y, Kazmaier M, Mignotte-Vieux C, Durst F, Werck-Reichhart D: Catalytic properties of the plant cytochrome P450 CYP73 expressed in yeast. Eur J Biochem. 1994 Sep 15;224(3):835-44.

In addition, it was shown to oxygenate five xenobiotics and mechanism-based inactivators, including the herbicide chlorotoluron.
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19402758 Weil M, Scholz S, Zimmer M, Sacher F, Duis K: Gene expression analysis in zebrafish embryos: a potential approach to predict effect concentrations in the fish early life stage test. Environ Toxicol Chem. 2009 Sep;28(9):1970-8.

The effects of 14 substances on lethal and sublethal endpoints of the DarT and on expression of potential marker genes were investigated: the aryl hydrocarbon receptor 2, cytochrome P450 1A (cypla), heat shock protein 70, fizzy-related protein 1, the transcription factors v-maf musculoaponeurotic fibrosarcoma oncogene family protein g (avian) 1 and NF-E2-p45-related factor, and heme oxygenase 1 (hmox1).
For 10 (3,4- and 3,5-dichloroaniline, 1,4-dichlorobenzene, 2,4-dinitrophenol, atrazine, parathion-ethyl, chlorotoluron, genistein, 4-nitroquinoline-1-oxide, and cadmium) out of the 14 tested substances, LOEC values derived with the Gene-DarT differ by a factor of less than 10 from LOEC values of fish early life stage tests with zebrafish.
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16668240 Donaldson RP, Luster DG: Multiple Forms of Plant Cytochromes P-450. Plant Physiol. 1991 Jul;96(3):669-674.

Accumulating evidence indicates that there is a multiplicity of cytochrome P-450 enzymes in plants.
Evidence that cytochromes P-450 are involved in the detoxification of herbicides (chlorotoluron, primsulfuron, and diclofop) includes photoreversible CO inhibition of the reactions, and a requirement for O (2) and NADPH.
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19005807 Schalk M, Pierrel MA, Zimmerlin A, Batard Y, Durst F, Werck-Reichhart D: Xenobiotics: Substrates and inhibitors of the plant cytochrome P450. . Environ Sci Pollut Res Int. 1997;4(4):229-34.

Nevertheless, it oxygenates several small and planar xenobiotics with low efficiency, including an herbicide (chlorotoluron).
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