植物类囊体膜的结构域组织
The domain organization of the plant thylakoid membrane.
作者信息
Albertsson P A, Andreasson E, Svensson P
机构信息
Department of Biochemistry, University of Lund, Sweden.
出版信息
FEBS Lett. 1990 Oct 29;273(1-2):36-40. doi: 10.1016/0014-5793(90)81045-p.
A model of the photosynthetic membrane from higher plants is presented. The different photosystems, PSI alpha, PSI beta, PSII alpha and PSII beta, are located in separate domains. The photosystems with the largest antenna systems, the alpha systems, are in the grana and the other in the stroma lamellae. In each grana disc PSI alpha is located in a flat annulus surrounding a circular PSII alpha domain. In this the PSII alpha units with the largest antennae are found in the center. The model is consistent with results from recent membrane fractionation experiments.
本文提出了一种高等植物光合膜的模型。不同的光系统，即光系统I的α亚基、β亚基，光系统II的α亚基和β亚基，位于不同的区域。具有最大天线系统的光系统，即α系统，位于基粒中，另一个位于基质片层中。在每个基粒片层中，光系统I的α亚基位于围绕圆形光系统II的α亚基区域的扁平环带中。在这个区域中，具有最大天线的光系统II的α亚基位于中心。该模型与最近的膜分级实验结果一致。
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