Structural organization of the mouse mitochondrial malate dehydrogenase gene

Hideo Takeshima, Tadashi Joh, Teruhisa Tsuzuki, Kazunori Shimada, Yasuhiko Matsukado

研究成果: Contribution to journalArticle

27 被引用数 (Scopus)

抄録

Structural organization of the mouse mitochondrial malate dehydrogenase (EC 1.1.1.37) gene was determined by analyzing a genomic DNA fragment isolated from a cosmid library. The gene is 12,000 base-pairs long and contains nine exons interrupted by eight introns of various sizes. The 5′ and 3′-flanking regions, and the exact sizes and boundaries of the exon blocks including the transcription-initiation sites were determined. In the 5′-flanking region, there is neither a TATA box nor a CAAT box. Instead of these sequences, there are six copies of the GGGCGG or CCGCCC sequence, which is a potential binding site for the transcription factor, Spl. The 5′-flanking region up to about 600 nucleotides is G + C-rich (65%) and contains sequences compatible with the formation of a number of potentially stable stem-loop structures. S1 nuclease mapping and primer extension analysis demonstrated that transcription of the mitochondrial malate dehydrogenase gene initiates at multiple sites. Comparison of the nucleotide sequence of the promoter region of the mitochondrial malate dehydrogenase gene with that of the mitochondrial aspartate aminotransferase gene, revealed that there are several highly conserved regions between these two mitochondrial enzyme genes participating in the malate-aspartate shuttle.

本文言語英語
ページ(範囲)1-11
ページ数11
ジャーナルJournal of Molecular Biology
200
1
DOI
出版ステータス出版済み - 3 5 1988

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Molecular Biology

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