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KMID : 0380319900460000023
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Journal of Korean Research Institute for Better Living
1990 Volume.46 No. 0 p.23 ~ p.30
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Protein Carboxyl Methylation in Liver of Fetal and Pregnant Rat
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Abstract
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Protein carboxyl methyltransferase(EC 2.1.1.77) which has specificities for the protein containing abnormal aspartyl residues is investigated in lysosome, mitochondria, peroxisome in liver of fetus, pregnant rat and vacuole vesicles in beet root. The level of this enzyme in brain cytosol of normal rat was almost same as that in brain cytosol of pregnant rat. But in liver cytosol, PCM activity of fetal rat was increased 17-fold more than that of normal rat. Total enzyme activities in lysosome, mitochondria and peroxisome of fetal and pregnant rat were not changed. But the total methylatability of fetal rat were increased about 2-fold comparing to pregnant rat. Vacuole vesicles showed the enzyme activities and methylatabilities.
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KEYWORD
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