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UNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPANUNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPAN
SHIBATA, Y
[1
]
MATSUI, K
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UNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPANUNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPAN
MATSUI, K
[1
]
KAJIWARA, T
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UNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPANUNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPAN
KAJIWARA, T
[1
]
HATANAKA, A
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UNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPANUNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPAN
HATANAKA, A
[1
]
机构:
[1] UNIV E ASIA,GRAD SCH INTEGRATED ARTS & SCI,DEPT LIFE SCI,SHIMONOSEKI,YAMAGUCHI 751,JAPAN
Fatty acid hydroperoxide lyase (HPO lyase) is an enzyme that cleaves hydroperoxides of polyunsaturated fatty acids to form short chain aldehydes and omega-oxoacids. Spectrophotometric analyses of HPO lyase highly purified from green bell pepper fruits indicate that it is a heme protein. The heme species was revealed to be heme b (protoheme IX) from the absorption spectrum of the pyridine hemochromogen. Although the spectrum highly resembles that of a plant cytochrome P450, allene oxide synthase from flaxseed, CO treatment of the enzyme caused no appearance of a peak at 450 nm, which is an essential diagnostic feature of a cytochrome P450. Internal amino acid sequences determined with peptide fragments obtained from the lyase showed no homology with any reported sequences. (C) 1995 Academic Press, Inc.