Variation and estimation of the differential absorption coefficient of P-700 in spinach photosystem I preparations

Kintake Sonoike, Sakae Katoh

研究成果: Article査読

16 被引用数 (Scopus)

抄録

Treatment of spinach Photosystem I particles with detergents induced an apparent blue shift of chlorophyll α at 690 nm in the difference spectrum of P-700. As a consequence of the band shift, the differential absorption coefficient of P-700 was increased from 63 to 87 mM-1 .cm-1. A curve was presented, with which changes in the apparent differential absorption coefficient of P-700 can be estimated by measuring magnitudes of light-induced absorption decreases at 680 nm and 700 nm. The curve was compared with that for cyanobacterial preparations and the mechanism of the detergent-induced band shift was discussed.

本文言語English
ページ(範囲)1079-1082
ページ数4
ジャーナルPlant and Cell Physiology
31
8
出版ステータスPublished - 1990 12 1
外部発表はい

ASJC Scopus subject areas

  • Physiology
  • Plant Science
  • Cell Biology

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