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三磷酸腺苷(ATP)释放的大亚基参与核酮糖-1,5-二磷酸羧化酶的组装。

ATP-released large subunits participate in the assembly of RuBP carboxylase.

作者信息

Milos P, Roy H

出版信息

J Cell Biochem. 1984;24(2):153-62. doi: 10.1002/jcb.240240206.

DOI:10.1002/jcb.240240206
PMID:6725425
Abstract

Preincubation of 35S-methionine-labeled chloroplast extracts with ATP at 0 degree C potentiates the subsequent assembly of labeled large subunits into RuBPCase . This is correlated with the dissociation of newly synthesized large subunits from the 29S large subunit binding protein complex. These released large subunits then assemble into RuBPCase in a second, nucleotide-stimulated reaction. The data demonstrate that the 29S complex can play an active role in the assembly of RuBPCase .

摘要

在0摄氏度下,将35S-甲硫氨酸标记的叶绿体提取物与ATP预温育,可增强随后标记的大亚基组装成核酮糖-1,5-二磷酸羧化酶(RuBPCase)的能力。这与新合成的大亚基从29S大亚基结合蛋白复合物上解离有关。这些释放出来的大亚基随后在第二个由核苷酸刺激的反应中组装成RuBPCase。数据表明,29S复合物在RuBPCase的组装过程中可发挥积极作用。

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