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  Ionics and conformational transitions of Na,K-ATPase

Grell, E., Warmuth, R., Lewitzki, E., & Ruf, H. (1992). Ionics and conformational transitions of Na,K-ATPase. Acta Physiologica Scandinavica, 607, 213-221.

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 Creators:
Grell, Ernst1, Author              
Warmuth, Ralf1, Author              
Lewitzki, Erwin1, Author              
Ruf, Horst1, Author              
Affiliations:
1Molecular Biophysics Group, Max Planck Institute of Biophysics, Max Planck Society, ou_3264820              

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 Abstract: Equilibrium binding studies have been carried out by spectrofluorometric precision titrations on FITC-Na,K-ATPase and employing the styryl dye RH-421 to obtain equilibrium constants and stoichiometric coefficients together with information related to competition between different binding equilibria. A new interpretation concerning the assignment of spectral properties and cation complex formation equilibria, as well as the involvement of conformational transitions, is suggested, based on a differentiation between selective and unselective alkali ion binding. The kinetics of K+ binding to the FITC-enzyme have been studied by employing a new microvolume technique consisting of flash photolysis of caged-K+.

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Language(s): eng - English
 Dates: 1992-01-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: PMID: 1333153
 Degree: -

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Title: Acta Physiologica Scandinavica
  Abbreviation : Acta Physiol Scand Suppl
Source Genre: Journal
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Publ. Info: Oxford : Blackwell Scientific Publications
Pages: - Volume / Issue: 607 Sequence Number: - Start / End Page: 213 - 221 Identifier: ISSN: 0001-6772
CoNE: https://pure.mpg.de/cone/journals/resource/954927648747