Fluorescence associated with the type 3 copper center of laccase

R. Max Wynn, Hemanta K. Sarkar, Robert A. Holwerda, David B. Knaff

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

Laccases isolated from the lacquer tree Rhus vernicifera and the fungus Polyporus versicolor show fluorescence emission near 420 nm and phosphorescence emission in the 440-465 nm region. The fluorescence and phosphorescence excitation spectra for both laccases show maxima in the 315-330 nm range, a spectral region corresponding to the absorbance maxima for the type 3 binuclear Cu centers of the two enzymes. Additional evidence is presented for the association of the newly discovered emissions with the type 3 Cu centers of the two laccases.

Original languageEnglish (US)
Pages (from-to)23-28
Number of pages6
JournalFEBS Letters
Volume156
Issue number1
DOIs
StatePublished - May 30 1983

Keywords

  • Fluorescence
  • Laccase
  • Phosphorescence
  • Type 3 Cu

ASJC Scopus subject areas

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

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