Volume 6, Issue 4 pp. 808-815
Article
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Architecture of helix bundle membrane proteins: An analysis of cytochrome c oxidase from bovine mitochondria

Erik Wallin

Erik Wallin

Department of Biochemistry, Stockholm University, S-106 91 Stockholm, Sweden

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Tomitake Tsukihara

Tomitake Tsukihara

Institute for Protein Research, Osaka University, 3-2 Yamada-oka, Suita 565, Japan

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Shinya Yoshikawa

Shinya Yoshikawa

Department of Life Science, Himeji Institute of Technology, Kamigohri Akoh, Hyogo 678-12, Japan

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Gunnar Von Heijne

Gunnar Von Heijne

Department of Biochemistry, Stockholm University, S-106 91 Stockholm, Sweden

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Arne Elofsson

Corresponding Author

Arne Elofsson

Department of Biochemistry, Stockholm University, S-106 91 Stockholm, Sweden

Department of Biochemistry, Stockholm University, S-106 91 Stockholm, SwedenSearch for more papers by this author
First published: 31 December 2008
Citations: 115

Abstract

We have analyzed the structure of mitochondrial cytochrome c oxidase in terms of general characteristics thought to be important for describing the architecture of helix bundle membrane proteins. Many aspects of the structure are similar to what has previously been found for the photosynthetic reaction center and bacteriorhodopsin. Our results lead to a considerably more precise general picture of membrane protein architecture than has hitherto been possible to obtain.

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