Stoichiometry of components in the photosynthetic oxygen evolution system of Photosystem II particles prepared with Triton X-100 from spinach chloroplasts

N. Murata, M. Miyao, T. Omata, H. Matsunami, T. Kuwabara

Research output: Contribution to journalArticle

178 Citations (Scopus)

Abstract

The stoichiometry of the proteins of the photosynthetic oxygen evolution system and of the electron transport components in Photosystem II particles prepared with Triton X-100 from spinach chloroplasts were determined. Per about 220 chlorophyll molecules, there were one reaction center II, one molecule each of the 33, 24 and 18 kDa proteins, four Mn atoms, two cytochromes b-559 (one high-potential, the other low-potential), and 3.5 plastoquinone-9 molecules, but practically no cytochrome b-563, cytochrome f, phylloquinone, α-tocopherol or α-tocopherylquinone.

Original languageEnglish
Pages (from-to)363-369
Number of pages7
JournalBBA - Bioenergetics
Volume765
Issue number3
DOIs
Publication statusPublished - 1984 Jun 26
Externally publishedYes

Keywords

  • Oxygen evolution
  • Photosynthesis
  • Photosystem II
  • Protein stoichiometry

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Cell Biology

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