AMINO-TERMINAL AMINO-ACID-SEQUENCE OF BEEF-HEART MITOCHONDRIAL COUPLING FACTOR-B

被引:8
作者
KANTHAM, L
RAYCHOWDHURY, R
OGATA, KK
JAVED, A
RICE, J
RAO, SD
机构
[1] HARVARD UNIV,SCH MED,DEPT BIOCHEM & MOLEC PHARMACOL,20 SHATTUCK ST,BOSTON,MA 02115
[2] BOSTON BIOMED RES INST,DEPT CELL PHYSIOL,BOSTON,MA 02114
关键词
D O I
10.1016/0014-5793(90)80819-5
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
Bovine heart mitochondrial coupling factor B was isolated and purified to homogeneity in its active form. The amino-terminal amino acid sequence of the alkylated protein was determined. Two chains with exactly the same sequence except for the presence of an additional Phe at the amino-terminus on one of them were obtained. The 55 amino acid sequence appears to be largely hydrophilic with several charged amino acid residues. This sequence showed no homology with the E. coli unc operon, oligomycin sensitivity conferring protein, or coupling factor 6 or any protein in the data base.
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页码:105 / 108
页数:4
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