Mavankal G, McCain D C, Bricker T M
Biochem Biophys Res Commun. 1986 Jan 14;134(1):272-8. doi: 10.1016/0006-291x(86)90558-9.
Photosystem II oxygen-evolving preparations exhibited a reversible loss of signal IIs hyperfine structure when treated with 1.0 M CaCl2. A progressive irreversible loss of hyperfine structure was observed upon trypsin treatment of these preparations. These treatments appear to alter the environment of the radical responsible for signal IIs. Gel electrophoresis of trypsin-treated photosystem II preparations indicates that three polypeptides (45, 32-34, and 26 kDa) are altered with the same kinetics as observed for the trypsin-induced loss of signal IIs. Two of these polypeptides (45 and 32-34 kDa) are core components of photosystem II.
当用1.0 M氯化钙处理时，光系统II放氧制剂的信号IIs超精细结构出现可逆损失。在用胰蛋白酶处理这些制剂时，观察到超精细结构逐渐发生不可逆损失。这些处理似乎改变了负责信号IIs的自由基的环境。经胰蛋白酶处理的光系统II制剂的凝胶电泳表明，三种多肽（45、32 - 34和26 kDa）的变化动力学与胰蛋白酶诱导的信号IIs损失相同。其中两种多肽（45和32 - 34 kDa）是光系统II的核心成分。
