ELECTRIC LINEAR DICHROISM OF P700 CHLOROPHYLL A-PROTEIN COMPLEXES

被引：10

作者：

GAGLIANO, AG

GEACINTOV, NE

BRETON, J

ACKER, S

REMY, R

机构：

[1] CENS, DEPT BIOL, BP 2, F-91190 GIF SUR YVETTE, FRANCE

[2] NYU, DEPT CHEM, NEW YORK, NY 10003 USA

[3] NYU, RADIAT & SOLID STATE LAB, NEW YORK, NY 10003 USA

[4] UNIV PARIS 11, CNRS, PHYSIOL CELLULAIRES VEGETALE DEPANDANT LAB 40, F-91405 ORSAY, FRANCE

[5] UNIV PARIS 11, INST TECHNOL, CACHAN, FRANCE

来源：

PHOTOCHEMISTRY AND PHOTOBIOLOGY | 1979年 / 29卷 / 02期

关键词：

D O I：

10.1111/j.1751-1097.1979.tb07070.x

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 P700 chlorophyll a-protein complex (CPI) isolated from [tobacco or spinach] green plants was oriented in aqueous solutions using pulsed electric fields of up to 6700 V cm-1. The electric linear dichroism spectrum is reported in the range of 400-720 nm. Positive peaks in the linear dichroism .DELTA.A = A.dblvert. - A.perp. (where A.dblvert. and A.perp. are the absorbance components in which the polarizer orientation is parallel and perpendicular with respect to the electric field, respectively) are observed at 443 and 686 nm. The .DELTA.A signal at 686 nm is discussed in terms of either a specialized chlorophyll form absorbing at 686 nm, or due to an exciton component absorbing at the same wavelength.

引用

页码：415 / 418

页数：4

共 18 条

[1] ANISOTROPY OF PHOTOSYNTHETIC MEMBRANES AND DEGREE OF FLUORESCENCE POLARIZATION [J].