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  A Unifying Concept for Ion Translocation by Retinal Proteins

Oesterhelt, D., Tittor, J., & Bamberg, E. (1992). A Unifying Concept for Ion Translocation by Retinal Proteins. Journal of Bioenergetics and Biomembranes, 24(2), 181-191. doi:10.1007/BF00762676.

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Genre: Journal Article

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 Creators:
Oesterhelt, Dieter1, Author           
Tittor, Jörg1, Author           
Bamberg, Ernst2, Author           
Affiliations:
1Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565164              
2Transport Proteins Group, Max Planck Institute of Biophysics, Max Planck Society, ou_3273415              

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Free keywords: Isomerization; vectoriality; proton pump; chloride pump
 Abstract: First, halorhodopsin is capable of pumping protons after illumination with greenand blue light in the same direction as chloride. Second, mutated bacteriorhodopsin where the proton acceptor Asp85 and the proton donor Asp96 are replaced by Asn showed proton pump activity after illumination with blue light in the same direction as wildtype after green light illumination. These results can be explained by and are discussed in light of our new hypothesis: structural changes in either molecule lead to a change in ion affinity and accessibility for determining the vectoriality of the transport through the two proteins.

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Language(s): eng - English
 Dates: 1991-10-241991-11-211992-04-01
 Publication Status: Published in print
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/BF00762676
PMID: 1526960
 Degree: -

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Title: Journal of Bioenergetics and Biomembranes
  Other : J. Bioenerg. Biomembr.
Source Genre: Journal
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Affiliations:
Publ. Info: New York : Plenum Press.
Pages: - Volume / Issue: 24 (2) Sequence Number: - Start / End Page: 181 - 191 Identifier: ISSN: 0145-479X
CoNE: https://pure.mpg.de/cone/journals/resource/954925473404