AN ELECTROGENIC REACTION ASSOCIATED WITH THE REREDUCTION OF P680 BY TYR-Z IN PHOTOSYSTEM-II

被引：22

作者：

POKORNY, A ^{[1
]}

WULF, K ^{[1
]}

TRISSL, HW ^{[1
]}

机构：

[1] UNIV OSNABRUCK, FACHBEREICH BIOL CHEM, BIOPHYS ABT, D-49069 OSNABRUCK, GERMANY

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS | 1994年 / 1184卷 / 01期

关键词：

PHOTOSYNTHESIS; TYROSINE Z; PHOTOVOLTAGE; PHOTOSYSTEM II;

D O I：

10.1016/0005-2728(94)90154-6

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The location of tyrosine Z (D1 Tyr-161), the immediate donor to photooxidized P680, has been probed using a fast photovoltage technique. We found an electrogenic reaction with an amplitude of 16% of the charge separated state P680(+)Q(A)(-) and a time constant of 29 ns which is attributed to the electron transfer between Tyr Z and P680. The result is discussed in the light of current structural models.

引用

页码：65 / 70

页数：6

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