Isolation of immunochemically distinct form of cytochrome P-450 from microsomes of tulip bulbs |
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Authors: | K Higashi K Ikeuchi Y Karasaki M Obara |
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Institution: | Department of Biochemistry, School of Medicine, University of Occupational and Environmental Health, Yahatanishiku, Kitakyushu 807, Japan |
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Abstract: | A highly purified cytochrome P-450 was obtained from the microsomes of tulip bulbs (Tulipa gesneriana L.). The molecular weight (Mr = 52,500) and amino acid composition of this plant cytochrome P-450 are similar to those reported for rat livers. On the contrary, Ouchterlony double diffusion analyses indicated that cytochrome P-450 isolated from tulip bulbs shares no common antigenic determinants with those of 9 other plants, in spite of the presence of comparable contents of cytochrome P-450 and/or trans-cinnamate 4-monooxygenase with tulip bulbs. |
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