The photochromic properties of 4-keto bacteriorhodopsin

被引：16

作者：

Jaaskelainen, T

Leppanen, VP

Parkkinen, S

Parkkinen, JPS

Khodonov, A

机构：

[1] LAPPEENRANTA UNIV TECHNOL,DEPT INFORMAT TECHNOL,FIN-53851 LAPPEENRANTA,FINLAND

[2] MV LOMONOSOV FINE CHEM TECHNOL INST,DEPT BIOTECHNOL,MOSCOW 117571,RUSSIA

来源：

OPTICAL MATERIALS | 1996年 / 6卷 / 04期

基金：

芬兰科学院;

关键词：

D O I：

10.1016/S0925-3467(96)00050-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The all-trans-retinal of the native chromoprotein of bacteriorhodopsin (BR) purple membrane was replaced with the synthetic 4-keto retinal. Gelatin films were made from the reconstituted BR and the intensity-dependent basic optical properties were investigated. It is shown that at room temperature the M-state is composed of two different absorption bands (maximum at 413 nm and 435 nm) with different relaxation times. Unexpected low-intensity transmission properties which cannot be explained by the two-level model are reported. The M-state of the 4-keto BR is shown to be about 100 times slower than the M-state of the similar wild type BR-film.

引用

页码：339 / 345

页数：7

共 19 条

[1] RING OXIDIZED RETINALS FORM UNUSUAL BACTERIORHODOPSIN ANALOG PIGMENTS [J].