E.s.r. signals of photosystem II after complete removal of manganese from the subchloroplast particles

S. I. Allakhverdiyev; V. V. Klimov; I. I. Proskuryakov

E.s.r. signals of photosystem II after complete removal of manganese from the subchloroplast particles

S. I. Allakhverdiyev, V. V. Klimov, I. I. Proskuryakov

Research output: Contribution to journal › Article › peer-review

Abstract

The authors have studied the effect of reversible extraction of Mn on the e.s.r. signal II belonging to the secondary electron donor (Z⁺) and the doublet e.s.r. signal of reduced pheophytin (pheo^τ) and the plastquinone complex with iron (PC^τ-Fe²⁺) in the oxygen evolving preparations of photosystem II (p.s. II). It is shown that after complete removal of Mn from the p.s. II preparations both the dark and photo-induced e.s.r. signal II and the doublet e.s.r. signal persist. It is concluded that Mn is not a component of the secondary electron donor Z of photosystem II and that its complete extraction does not disturb the exchange interaction between the anion radical pheo^τ and the reduced complex PC^τ-Fe²⁺.

Original language	English
Pages (from-to)	643-646
Number of pages	4
Journal	Biophysics
Volume	33
Issue number	4
Publication status	Published - Dec 1 1988

ASJC Scopus subject areas

Biophysics

Cite this

@article{53ad7ce1ff7a485ba4b5ad1b84107dad,

title = "E.s.r. signals of photosystem II after complete removal of manganese from the subchloroplast particles",

abstract = "The authors have studied the effect of reversible extraction of Mn on the e.s.r. signal II belonging to the secondary electron donor (Z+) and the doublet e.s.r. signal of reduced pheophytin (pheoτ) and the plastquinone complex with iron (PCτ-Fe2+) in the oxygen evolving preparations of photosystem II (p.s. II). It is shown that after complete removal of Mn from the p.s. II preparations both the dark and photo-induced e.s.r. signal II and the doublet e.s.r. signal persist. It is concluded that Mn is not a component of the secondary electron donor Z of photosystem II and that its complete extraction does not disturb the exchange interaction between the anion radical pheoτ and the reduced complex PCτ-Fe2+.",

author = "Allakhverdiyev, {S. I.} and Klimov, {V. V.} and Proskuryakov, {I. I.}",

year = "1988",

month = dec,

day = "1",

language = "English",

volume = "33",

pages = "643--646",

journal = "Biophysics (Russian Federation)",

issn = "0006-3509",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "4",

}

TY - JOUR

T1 - E.s.r. signals of photosystem II after complete removal of manganese from the subchloroplast particles

AU - Allakhverdiyev, S. I.

AU - Klimov, V. V.

AU - Proskuryakov, I. I.

PY - 1988/12/1

Y1 - 1988/12/1

N2 - The authors have studied the effect of reversible extraction of Mn on the e.s.r. signal II belonging to the secondary electron donor (Z+) and the doublet e.s.r. signal of reduced pheophytin (pheoτ) and the plastquinone complex with iron (PCτ-Fe2+) in the oxygen evolving preparations of photosystem II (p.s. II). It is shown that after complete removal of Mn from the p.s. II preparations both the dark and photo-induced e.s.r. signal II and the doublet e.s.r. signal persist. It is concluded that Mn is not a component of the secondary electron donor Z of photosystem II and that its complete extraction does not disturb the exchange interaction between the anion radical pheoτ and the reduced complex PCτ-Fe2+.

AB - The authors have studied the effect of reversible extraction of Mn on the e.s.r. signal II belonging to the secondary electron donor (Z+) and the doublet e.s.r. signal of reduced pheophytin (pheoτ) and the plastquinone complex with iron (PCτ-Fe2+) in the oxygen evolving preparations of photosystem II (p.s. II). It is shown that after complete removal of Mn from the p.s. II preparations both the dark and photo-induced e.s.r. signal II and the doublet e.s.r. signal persist. It is concluded that Mn is not a component of the secondary electron donor Z of photosystem II and that its complete extraction does not disturb the exchange interaction between the anion radical pheoτ and the reduced complex PCτ-Fe2+.

UR - http://www.scopus.com/inward/record.url?scp=45549115760&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=45549115760&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:45549115760

VL - 33

SP - 643

EP - 646

JO - Biophysics (Russian Federation)

JF - Biophysics (Russian Federation)

SN - 0006-3509

IS - 4

ER -

E.s.r. signals of photosystem II after complete removal of manganese from the subchloroplast particles

Abstract

ASJC Scopus subject areas

Other files and links

Fingerprint

Cite this