Archaebacterial ATPases: Relationship to Other Ion-Translocating ATPase Families Examined in Terms of Immunological Cross-Reactivity
Immunological cross-reactivity among three types of H+-ATPases, that is, three archaebacterial ATPases, the F1-ATPase from thermophilic bacterium PS3 (TF1 and the vacuolar membrane ATPase from Saccharomyces cerevisiae, was examined by means of immunoblot analyses. The three archaebacterial ATPases w...
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Published in | Journal of biochemistry (Tokyo) Vol. 108; no. 4; pp. 554 - 559 |
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Main Authors | , , , , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Oxford
Oxford University Press
01.10.1990
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Subjects | |
Online Access | Get full text |
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Summary: | Immunological cross-reactivity among three types of H+-ATPases, that is, three archaebacterial ATPases, the F1-ATPase from thermophilic bacterium PS3 (TF1 and the vacuolar membrane ATPase from Saccharomyces cerevisiae, was examined by means of immunoblot analyses. The three archaebacterial ATPases were very similar in immunological cross-reactivity, suggesting that they belong to the same family of ATPases. Cross-reaction was also observed between the ATPase from Sulfolobus acidocaldarius, one of the three archaebacteria, and TF1. S. cerevisiae vacuolar ATPase reacted with the antibodies prepared against each of the three archaebacterial ATPases, but did not react with the antibody against TF1. Electron microscopic examination revealed that the oligomeric structure of Sulfolobus ATPase was very similar to that of F1 -ATPase. These results, taken together, suggest that the archaebacterial ATPases share close structural similarities with the vacuolar ATPases, and, to a lesser degree, with the F0F1-ATPases. |
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Bibliography: | istex:B9679BEE0270A28CBE888AA7D4BEF24FCD44E930 ArticleID:108.4.554 ark:/67375/HXZ-C0D8WGCX-K 1This work was partially supported by a Grant-in-Aid for Scientific Research on the Priority Area of “Bioenergetics” to M. Y. from the Ministry of Education, Science and Culture of Japan. 2To whom correspondence should be addressed ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2 |
ISSN: | 0021-924X 1756-2651 |
DOI: | 10.1093/oxfordjournals.jbchem.a123241 |