MOLECULAR-CLONING OF THE CYTOCHROME-AA3 GENE FROM THE ARCHAEON (ARCHAEBACTERIUM) HALOBACTERIUM-HALOBIUM

被引:32
作者
DENDA, K [1 ]
FUJIWARA, T [1 ]
SEKI, M [1 ]
YOSHIDA, M [1 ]
FUKUMORI, Y [1 ]
YAMANAKA, T [1 ]
机构
[1] TOKYO INST TECHNOL, FAC BIOSCI & BIOTECHNOL, DEPT LIFE SCI, YOKOHAMA, KANAGAWA 227, JAPAN
关键词
D O I
10.1016/S0006-291X(05)81420-2
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
A novel aa3-type cytochrome oxidase from the extremely halophilic archaeon, Halobacterium halobium, differs significantly from those of other prokaryotic and eukaryotic cytochrome oxidases (Fujiwara,T., Fukumori,Y., and Yamanaka,T. (1989) J. Biochem. 105, 287-292). In the present study, we cloned and sequenced the gene which encodes the cytochrome aa3 by using the polymerase chain reaction methods. The deduced amino acid sequence of subunit I of H. halobium cytochrome aa3 was more similar to that of subunit I of the eukaryotic cytochrome (44%, maize mitochondria) than that of the cytochrome from other bacteria (36%, Paracoccus denitrificans). The consensus sequence in putative metal binding residues is well-conserved also in H. halobium cytochrome aa3. © 1991 Academic Press, Inc.
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页码:316 / 322
页数:7
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