MOLECULAR-CLONING OF CDNA FOR THE IMPORT PRECURSOR OF HUMAN COUPLING FACTOR-6 OF H+-ATP SYNTHASE IN MITOCHONDRIA

被引:20
作者
HIGUTI, T [1 ]
TSURUMI, C [1 ]
KAWAMURA, Y [1 ]
TSUJITA, H [1 ]
OSAKA, F [1 ]
YOSHIHARA, Y [1 ]
TANI, I [1 ]
TANAKA, K [1 ]
ICHIHARA, A [1 ]
机构
[1] UNIV TOKUSHIMA,INST ENZYME RES,TOKUSHIMA 770,JAPAN
基金
日本学术振兴会;
关键词
D O I
10.1016/0006-291X(91)90178-A
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The nucleotide sequence of the import precursor of coupling factor 6 (factor 6) of human H+-ATP synthase has been determined from a recombinant cDNA clone isolated by screening a human kidney cDNA library with a cDNA for rat factor 6 as a probe. The sequence was composed of 466 nucleotides including a coding region for the import precursor of factor 6 and noncoding regions on the 5′- and 3′-sides. The import precursor of factor 6 and its mature polypeptide deduced from the open reading frame were found to consist of 108 and 76 amino acid residues with molecular weights of 12,596 and 8,969, respectively. The presequence of 32 amino acids could be the import signal peptide for directing the protein into the mitochondrial matrix. © 1991.
引用
收藏
页码:793 / 799
页数:7
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