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KMID : 0578319970070020290
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Molecules and Cells
1997 Volume.7 No. 2 p.290 ~ p.295
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Cloning and Characterization of the citA Gene Encoding the Mitochondrial Citrate Synthase of Aspergillus nidulans
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Park, Byeong wook
Han, Keon Ho/Lee, Chan yong/Maeng, Pil Jae
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Abstract
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We isolated a citrate synthase gene (citA) from Aspergillus nidulans. By analysis of the protein coding region, citA was shown to encode a citrate synthase (CitA) of 52.2 kDa consisting of 474 amino acid residues that were interrupted by seven introns. Also, the precursor CitA protein was revealed to have an N-terminal mitochondrial targeting signal of 35 amino acid residues containing an R-3 cleavage motif, R_((32))-C-Y↓S_((35)), which supports the fact that citA encodes the mitochondrial form of citrate synthase of A. nidulans. Southern blot analysis showed that citA is present as a single copy in the genome.
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