Cytochrome aa3 from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius

S. Anemüller; G. Schäfer

doi:10.1016/0014-5793(89)80581-2

Cytochrome aa₃ from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius

S. Anemüller^*, G. Schäfer

^*Korrespondierende/r Autor/-in für diese Arbeit

Institut für Biochemie

38 Zitate (Scopus)

Abstract

Cytochrome aa₃ serves as a terminal oxidase in the thermoacidophilic archaebacterium Sulfolobus acidocaldarius. A procedure for its isolation is described. The purified preparation consists of only one major polypeptide of 38 kDa apparent molecular mass. The enzyme contains two heme α molecules with midpoint potentials of + 220 and + 370 mV, respectively. The copper content is at least 2 Cu/aa₃. It has only negligible capacity to oxidize cytochrome c, but rather serves as an oxidase for reduced caldariella quinone as present in the membrane of Sulfolobus.

Originalsprache	Englisch
Zeitschrift	FEBS Letters
Jahrgang	244
Ausgabenummer	2
Seiten (von - bis)	451-455
Seitenumfang	5
ISSN	0014-5793
DOIs	https://doi.org/10.1016/0014-5793(89)80581-2
Publikationsstatus	Veröffentlicht - 27.02.1989

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Forschungsschwerpunkt: Infektion und Entzündung - Zentrum für Infektions- und Entzündungsforschung Lübeck (ZIEL)

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10.1016/0014-5793(89)80581-2

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title = "Cytochrome aa3 from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius",

abstract = "Cytochrome aa3 serves as a terminal oxidase in the thermoacidophilic archaebacterium Sulfolobus acidocaldarius. A procedure for its isolation is described. The purified preparation consists of only one major polypeptide of 38 kDa apparent molecular mass. The enzyme contains two heme α molecules with midpoint potentials of + 220 and + 370 mV, respectively. The copper content is at least 2 Cu/aa3. It has only negligible capacity to oxidize cytochrome c, but rather serves as an oxidase for reduced caldariella quinone as present in the membrane of Sulfolobus.",

author = "S. Anem{\"u}ller and G. Sch{\"a}fer",

note = "Funding Information: AcknowledgementTs:h e authors thank Mrs A. Lassen for skillful technicaal ssistancaen dMrs J. Kasperf or preparingth e drawings. This work was supportedi n part by Fonds der ChemischenIn dustrie. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

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day = "27",

doi = "10.1016/0014-5793(89)80581-2",

language = "English",

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T1 - Cytochrome aa3 from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius

AU - Anemüller, S.

AU - Schäfer, G.

N1 - Funding Information: AcknowledgementTs:h e authors thank Mrs A. Lassen for skillful technicaal ssistancaen dMrs J. Kasperf or preparingth e drawings. This work was supportedi n part by Fonds der ChemischenIn dustrie. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 1989/2/27

Y1 - 1989/2/27

N2 - Cytochrome aa3 serves as a terminal oxidase in the thermoacidophilic archaebacterium Sulfolobus acidocaldarius. A procedure for its isolation is described. The purified preparation consists of only one major polypeptide of 38 kDa apparent molecular mass. The enzyme contains two heme α molecules with midpoint potentials of + 220 and + 370 mV, respectively. The copper content is at least 2 Cu/aa3. It has only negligible capacity to oxidize cytochrome c, but rather serves as an oxidase for reduced caldariella quinone as present in the membrane of Sulfolobus.

AB - Cytochrome aa3 serves as a terminal oxidase in the thermoacidophilic archaebacterium Sulfolobus acidocaldarius. A procedure for its isolation is described. The purified preparation consists of only one major polypeptide of 38 kDa apparent molecular mass. The enzyme contains two heme α molecules with midpoint potentials of + 220 and + 370 mV, respectively. The copper content is at least 2 Cu/aa3. It has only negligible capacity to oxidize cytochrome c, but rather serves as an oxidase for reduced caldariella quinone as present in the membrane of Sulfolobus.

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DO - 10.1016/0014-5793(89)80581-2

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