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Stefan Hallen

University of Gothenburg

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Publication

Featured researches published by Stefan Hallen.

FEBS Letters | 1990

Rapid proton release during flash-induced oxidation of cytochrome c oxidase

Thomas Nilsson; Stefan Hallen; Mikael Oliveberg

Protolytic reactions during the reaction between fully reduced cytochrome oxidase and oxygen have been investigated using the flow‐flash methodology. Enzyme reconstituted into phospholipid vesicles has been used and pH changes in the extravesicular medium have been detected with the pH indicator Phenol red. The results show the release of protons to the medium with a rate of 9.102 s−1 during reoxidation. The amplitude of the absorption change corresponds to at least one proton per functional unit of cytochrome oxidase.

Biochemistry | 1992

Proton transfer during the reaction between fully reduced cytochrome c oxidase and dioxygen : pH and deuterium isotope effects

Stefan Hallen; T. Nilsson

Biochemistry | 1991

Uptake and release of protons during the reaction between cytochrome c oxidase and molecular oxygen : a flow-flash investigation

Mikael Oliveberg; Stefan Hallen; T. Nilsson

Biochemistry | 2000

Na(+)/H(+) exchanger NHE3 has 11 membrane spanning domains and a cleaved signal peptide: topology analysis using in vitro transcription/translation.

Mirza Zizak; Megan E. Cavet; Denis Bayle; Chung Ming Tse; Stefan Hallen; George Sachs; Mark Donowitz

Biochemistry | 1999

Membrane insertion scanning of the human ileal sodium/bile acid co-transporter.

Stefan Hallen; Magnus Brändén; Paul A. Dawson; George Sachs

Biochemistry | 2002

Organization of the membrane domain of the human liver sodium/bile acid cotransporter

Stefan Hallen; Olga A. Mareninova; Magnus Brändén; Gary S. Sachs

Biochemistry | 2000

Inhibition of the human sodium/bile acid cotransporters by side-specific methanethiosulfonate sulfhydryl reagents : substrate-controlled accessibility of site of inactivation

Stefan Hallen; Jan Fryklund; George Sachs

Biochemistry | 1995

Oxygen reaction and proton uptake in helix VIII mutants of cytochrome bo3.

Margareta Svensson; Stefan Hallen; Jeffrey W. Thomas; Laura Lemieux; Robert B. Gennis; T. Nilsson

Gastroenterology | 2000

Inhibition of the human sodium/bile acid cotransporters by side-specific methanethiosulfonate sulfhydryl reagents: Identification of site of inactivation by sitedirected mutagenesis

Stefan Hallen; Jan Fryklund; George Sachs

Gastroenterology | 2000

NHE3 contains a cleavable signal peptide followed by 11 membrane spanning domains: New insights into topology

Mirza Zizak; Megan E. Cavet; Denis Bayle; Chung Ming Tse; Stefan Hallen; George Sachs; Mark Donowitz

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George Sachs

University of California

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T. Nilsson

Chalmers University of Technology

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Jan Fryklund

AstraZeneca

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Magnus Brändén

Stockholm University

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Mikael Oliveberg

Stockholm University

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Chung Ming Tse

Johns Hopkins University School of Medicine

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Mark Donowitz

Johns Hopkins University School of Medicine

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Megan E. Cavet

Johns Hopkins University School of Medicine

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Margareta Svensson

Chalmers University of Technology

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Thomas Nilsson

University of Gothenburg

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