Soybean lipoxygenase-1 is not a quinoprotein

Gerrit A. Veldink, Harry Boelens, Mauro Maccarrone, Fridolin van der Lecq, Johannes F G Vliegenthart, Mercedes A. Paz, Rudolf Fluc̈kiger, Paul M. Gallop

Research output: Contribution to journalArticlepeer-review


Soybean lipoxygenase-1 was reinvestigated with respect to its quinoprotein nature. It has been reported previously that soybean lipoxygenase-1 contains pyrroloquinoline quinone as the organic cofactor [1]. Because spectroscopie data were found to be inconsistent [2] with the evidence presented in [1], we sought to reproduce the published data by carefully following the procedures described in [1] and supplementing them with new analytical results. The combined data lead us to conclude that soybean lipoxygenase-1 is not a quinoprotein.

Original languageEnglish
Pages (from-to)135-138
Number of pages4
JournalFEBS Letters
Issue number1-2
Publication statusPublished - Sep 17 1990


  • Iron
  • Lipoxygenase
  • PQQ
  • Pyrroloquinoline quinone
  • Quinoprotein
  • Redox-cycling

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology


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