| 钝顶螺旋藻C—藻蓝蛋白分子的STM研究 |
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| 引用本文： | 张玉忠 时东霞. 钝顶螺旋藻C—藻蓝蛋白分子的STM研究[J]. Acta biochimica et biophysica Sinica, 1997, 29(5): 521-525 |
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| 作者姓名： | 张玉忠 时东霞 |
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| 作者单位： | 中国科学院北京真空物理实验室，中国科学院海洋研究所山东大学微生物技术国家重点实验室 |
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| 摘 要： | 钝顶螺旋藻Ｃ┐藻蓝蛋白分子的ＳＴＭ研究张玉忠＊１，２时东霞１周百成２曾呈奎２庞世瑾１（１中国科学院北京真空物理实验室，北京２７２４信箱，北京１０００８０）（２中国科学院海洋研究所，青岛２６６０７１）关键词钝顶螺旋藻；Ｃ－藻蓝蛋白；扫描隧道显微镜藻胆蛋...
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| 关 键 词： | 钝顶螺旋藻 C－藻蓝蛋白 扫描隧道显微镜 |
Study on the Structure of C Phycocyanin in Spirulina platensis with Scanning Tunneling Microscope |
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| ZHANG Yu Zhong ,,SHI Dong Xia ,ZHOU Bai Cheng ,C. K. Tseng. Study on the Structure of C Phycocyanin in Spirulina platensis with Scanning Tunneling Microscope[J]. Acta biochimica et biophysica Sinica, 1997, 29(5): 521-525 |
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| Authors: | ZHANG Yu Zhong SHI Dong Xia ZHOU Bai Cheng C. K. Tseng |
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| Affiliation: | ZHANG Yu Zhong 1,2,SHI Dong Xia 1,ZHOU Bai Cheng 2,C. K. Tseng 2 |
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| Abstract: | The C phycocyanin (C PC) trimmer was isolated from the blue green alga Spirulina platensis , and scanning tunneling microscope (STM) was used to investigate its structure. High resolution STM images of C PC were obtained. From the STM images, it could be observed that the C PC molecules were disk like in shape and the subunits of C PC arranged in ring like pattern with a channel in the center. After filter treatment, the folding of the polypeptide chains could be seen clearly. This is the first time to observe directly the topography of phycobiliprotein, and the results showed STM to be a powerful tool for the structural study of phycobiliproteins. |
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| Keywords: | Spirulina platensis C phycocyanin Scanning tunneling microscope (STM) |
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