细菌视紫红质光循环的量子效率。
The quantum efficiency of the bacteriorhodopsin photocycle.
作者信息
Goldschmidt C R, Kalisky O, Rosenfeld T, Ottolenghi M
出版信息
Biophys J. 1977 Feb;17(2):179-83. doi: 10.1016/S0006-3495(77)85635-X.
Abstract
The quantum yield of the primary photoprocess in light-adapted bacteriorhodopsin (phi 1) was determined at room temperature with low-intensity 530 nm neodymium laser excitation, with bovine rhodopsin as a relative actinometer. The observed value of phi 1 - 0.25 +/- 0.05, and the previously determined parameter phi 1/phi 2 - 0.4 [where phi 2 denotes the quantum efficiency of the back photoprecess from the primary species K (590)] imply that phi 1 + phi 2 approximately equal 1. This feature, also characterizing the photochemistry of rhodopsin, bears on the nature and mechanism of the primary event in both systems.
摘要
在室温下，以牛视紫红质作为相对光量计，用低强度530nm钕激光激发，测定了光适应细菌视紫红质初级光过程的量子产率（φ1）。观察到的φ1值为0.25±0.05，先前测定的参数φ1/φ2为0.4[其中φ2表示从初级物种K（590）的反向光过程的量子效率]，这意味着φ1+φ2约等于1。这一特征也是视紫红质光化学的特征，与两个系统中初级事件的性质和机制有关。
相似文献
1
The quantum efficiency of the bacteriorhodopsin photocycle.细菌视紫红质光循环的量子效率。
Biophys J. 1977 Feb;17(2):179-83. doi: 10.1016/S0006-3495(77)85635-X.
2
Energy storage in the primary step of the photocycle of bacteriorhodopsin.细菌视紫红质光循环初级阶段中的能量存储。
Biophys J. 1983 Apr;42(1):61-9. doi: 10.1016/S0006-3495(83)84369-0.
3
4
Photochemistry of two rhodopsinlike pigments in bacteriorhodopsin-free mutant of Halobacterium halobium.嗜盐菌无细菌视紫红质突变体中两种视紫红质样色素的光化学
Biophys J. 1983 Oct;44(1):59-64. doi: 10.1016/S0006-3495(83)84277-5.
5
Action spectrum and quantum efficiency for proton pumping in Halobacterium halobium.嗜盐菌质子泵浦的作用光谱和量子效率
Biochemistry. 1980 May 13;19(10):2152-9. doi: 10.1021/bi00551a024.
6
The photochemical reaction of the 412 nm chromophore of bacteriorhodopsin.细菌视紫红质412纳米发色团的光化学反应。
FEBS Lett. 1977 Feb 15;74(1):29-4. doi: 10.1016/0014-5793(77)80743-6.
7
The quantum efficiency for the photochemical conversion of the purple membrane protein.紫膜蛋白光化学转化的量子效率。
Biophys J. 1977 Feb;17(2):185-91. doi: 10.1016/S0006-3495(77)85636-1.
8
On the photocycle and light adaptation of dark-adapted bacteriorhodopsin.关于暗适应细菌视紫红质的光循环和光适应
Biophys J. 1977 Aug;19(2):185-9. doi: 10.1016/S0006-3495(77)85579-3.
9
Effect of light-adaptation on the photoreaction of bacteriorhodopsin from Halobacterium halobium.光适应对嗜盐栖热菌视紫红质光反应的影响。
Biochim Biophys Acta. 1977 Dec 23;462(3):575-82. doi: 10.1016/0005-2728(77)90102-5.
10
On the primary quantum yields in the bacteriorhodopsin photocycle.关于细菌视紫红质光循环中的初级量子产率
Biophys J. 1976 Jul;16(7):839-43. doi: 10.1016/S0006-3495(76)85732-3.
引用本文的文献
1
Retinal photoisomerization versus counterion protonation in light and dark-adapted bacteriorhodopsin and its primary photoproduct.视网膜光异构化与光适应和暗适应的菌紫质及其初始光产物中的抗衡离子质子化作用的比较。
Nat Commun. 2024 Mar 8;15(1):2136. doi: 10.1038/s41467-024-46061-w.
2
Nanosecond photolytic interruption of bacteriorhodopsin photocycle: K-590 --> BR-570 reaction.纳秒光解中断菌紫质光循环：K-590-->BR-570 反应。
Biophys J. 1992 Jun;61(6):1630-7. doi: 10.1016/S0006-3495(92)81966-5.
3
Quantum efficiency of the photochemical cycle of bacteriorhodopsin.菌紫质光化学循环的量子效率。
Biophys J. 1990 Sep;58(3):597-608. doi: 10.1016/S0006-3495(90)82403-6.
4
Early picosecond events in the photocycle of bacteriorhodopsin.菌紫质光循环的早期皮秒事件。
Biophys J. 1986 Mar;49(3):651-62. doi: 10.1016/S0006-3495(86)83692-X.
5
Structural changes in bacteriorhodopsin during the photocycle measured by time-resolved polarized Fourier transform infrared spectroscopy.通过时间分辨偏振傅里叶变换红外光谱法测量细菌视紫红质在光循环过程中的结构变化。
Biophys J. 2001 Dec;81(6):3577-89. doi: 10.1016/S0006-3495(01)75988-7.
6
Replacement effects of neutral amino acid residues of different molecular volumes in the retinal binding cavity of bacteriorhodopsin on the dynamics of its primary process.细菌视紫红质视网膜结合腔中不同分子体积的中性氨基酸残基对其初级过程动力学的替代效应。
Biophys J. 1996 Jun;70(6):2875-81. doi: 10.1016/S0006-3495(96)79857-0.
7
Photoinduced volume changes associated with the early transformations of bacteriorhodopsin: a laser-induced optoacoustic spectroscopy study.与细菌视紫红质早期转变相关的光致体积变化：一项激光诱导光声光谱研究
Biophys J. 1994 Mar;66(3 Pt 1):838-43. doi: 10.1016/s0006-3495(94)80860-4.
8
Quantum efficiency of light-driven proton extrusion in Halobacterium halobium. pH dependence.嗜盐菌中光驱动质子外排的量子效率。pH依赖性。
Biophys J. 1980 Dec;32(3):993-1006. doi: 10.1016/S0006-3495(80)85031-4.
9
The quantum efficiency of proton pumping by the purple membrane of Halobacterium halobium.嗜盐菌紫膜质子泵的量子效率。
Biophys J. 1980 May;30(2):231-42. doi: 10.1016/S0006-3495(80)85091-0.
10
Photoacoustic photocalorimetry and spectroscopy of Halobacterium halobium purple membranes.嗜盐菌紫膜的光声光量热法与光谱学
Biophys J. 1982 Feb;37(2):405-15. doi: 10.1016/S0006-3495(82)84686-9.
本文引用的文献
1
The photosensitivities of visual pigments in the presence of hydroxylamine.在存在羟胺的情况下视觉色素的光敏性。
Vision Res. 1968 Apr;8(4):339-58. doi: 10.1016/0042-6989(68)90104-1.
2
The use of Ammonyx LO in the purification of rhodopsin and rod outer segments.月桂醇聚醚硫酸铵在视紫红质和视杆细胞外段纯化中的应用。
Vision Res. 1971 Sep;11(9):1007-9. doi: 10.1016/0042-6989(71)90220-3.
3
Reversible photolysis of the purple complex in the purple membrane of Halobacterium halobium.嗜盐菌紫色膜中紫色复合物的可逆光解作用。
Eur J Biochem. 1973 Aug 17;37(2):316-26. doi: 10.1111/j.1432-1033.1973.tb02990.x.
4
Rhodopsin content in the outer segment membranes of bovine and frog retinal rods.牛和蛙视网膜视杆细胞外段膜中的视紫红质含量。
Biochemistry. 1974 May 21;13(11):2438-44. doi: 10.1021/bi00708a031.
5
Isolation of the cell membrane of Halobacterium halobium and its fractionation into red and purple membrane.嗜盐菌细胞膜的分离及其分成红色膜和紫色膜的分级分离。
Methods Enzymol. 1974;31:667-78. doi: 10.1016/0076-6879(74)31072-5.
6
Kinetic studies of phototransients in bacteriorhodopsin.细菌视紫红质中光瞬变的动力学研究。
Biochim Biophys Acta. 1976 Feb 16;423(2):238-48. doi: 10.1016/0005-2728(76)90182-1.
7
Bacteriorhodopsin: a light-driven proton pump in Halobacterium Halobium.细菌视紫红质：嗜盐菌中的一种光驱动质子泵。
Biophys J. 1975 Sep;15(9):955-62. doi: 10.1016/S0006-3495(75)85875-9.
8
Photolysis of bacterial rhodopsin.细菌视紫红质的光解作用。
Biophys J. 1975 Sep;15(9):907-11. doi: 10.1016/S0006-3495(75)85864-4.
9
Primary processes in photochemistry of rhodopsin at room temperature.视紫红质在室温下光化学的初级过程。
Nature. 1976 Sep 9;263(5573):169-71. doi: 10.1038/263169a0.
10
On the primary quantum yields in the bacteriorhodopsin photocycle.关于细菌视紫红质光循环中的初级量子产率
Biophys J. 1976 Jul;16(7):839-43. doi: 10.1016/S0006-3495(76)85732-3.
Zotero 插件