CDNA CLONING AND SEQUENCING FOR THE IMPORT PRECURSOR OF COUPLING FACTOR-6 IN H+-ATP SYNTHASE FROM RAT-LIVER MITOCHONDRIA

被引:13
作者
HIGUTI, T
OSAKA, F
YOSHIHARA, Y
TSURUMI, C
KAWAMURA, Y
TANI, I
TODA, H
KAKUNO, T
SAKIYAMA, F
TANAKA, K
ICHIHARA, A
机构
[1] OSAKA UNIV,INST PROT RES,DIV PROT CHEM,SUITA,OSAKA 565,JAPAN
[2] OSAKA UNIV,INST PROT RES,DIV ENZYMOL,SUITA,OSAKA 565,JAPAN
[3] 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(90)90794-N
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 rat liver H+-ATP synthase has been determined from a recombinant cDNA clone isolated by screening a rat liver cDNA library with a probe DNA. The sequence was composed of 458 nucleotides including a coding region for the import precursor of factor 6 and noncoding regions of both the 5′- and 3′-sides. The import precursor of factor 6 and its mature polypeptide deduced from the open reading frame consisted of 108 and 76 amino acid residues with a molecular weight of 12,494 and 8,927, respectively. The presequence of 32 amino acids could be the import signal peptide which serves to direct the protein into the mitochondrial matrix. © 1990.
引用
收藏
页码:1079 / 1086
页数:8
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