Counterions and the bacteriorhodopsin proton pump

A. Dér, R. Tóth-Boconádi, L. Keszthelyi

Research output: Contribution to journalArticle

6 Citations (Scopus)


Theoretical and new experimental arguments are given to explain the reversal of photoelectric signals from purple membranes oriented and immobilized in gel due to the presence of TEMED. The continuous current induced by continuous illumination demonstrates a photoelement-like behaviour, the polarity of which is reversed by TEMED. The data render the counterion-collapse mechanism highly questionable.

Original languageEnglish
Pages (from-to)313-316
Number of pages4
JournalFEBS letters
Issue number2
Publication statusPublished - Mar 14 1988


  • (Purple membrane)
  • Bacteriorhodopsin
  • Proton pump

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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