Vol.43,No.9,2016

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Cover Story:Antibody (also named as an immunoglobulin, Ig), a most important macromolecule for immune response in human body, has been developed as macromolecular drug to treat the cancer and immune diseases. Understanding of antibody three-dimensional (3D) structure and fluctuation could be an important step for further understanding and controlling the antibody pharmacological function. However, the study is limited by antibody flexible structure. In this paper, we reviewed the current research progresses on structural study of human IgG1 antibody conducted by our recently developed individual-particle electron tomography (IPET) method. The review includes the sample preparation method, basic logic of image processing strategy, 3D analysis and its application in antibody-drug conjunction and antibody structural fluctuation. We also discussed the strengths and weakness of the technique.

Reviews and Monographs

Molecular Mechanisms of Histone Phosphorylation in Regulating Learning and MemoryLIU Xiao-Ya and GAO Can  [Abstract][PDF][HTML]

3D Reconstruction and Structural Study of IgG1 Antibody by Individual-particle Electron TomographyZHANG Xing, LIAO Yu-Heng, TONG Hui-Min, ZHANG Lei, ZHANG Sheng-Li and REN Gang  [Abstract][PDF][HTML]

The Structure and Function of Viral Fusion ProteinCI Ya-Li, XU Cai-Min and SHI Lei  [Abstract][PDF][HTML]

The Role of Retromer in Viral Life CycleLI Ye and ZHANG Lei-Liang  [Abstract][PDF][HTML]

Selectivity and Mechanism of Polyubiquitin Chain HydrolasesZHENG Qing-Yun, WANG Tao, PAN Man, LI Yi-Ming and TIAN Chang-Lin  [Abstract][PDF][HTML]

Research Progress of microRNA in The Pathogenesis of Fragile X SyndromeTIAN Shuai and MA Yun  [Abstract][PDF][HTML]

Research Papers

Spaceflight Microgravity Reduced Photosynthetical Electron Transport and Altered Energy Distribution in Euglena gracilisLI Xiao-Yan, LI Gen-Bao, LI Dun-Hai, HAO Zong-Jie, WANG Gao-Hong, RICHTER R. Peter, SCHUSTER Martin, LEBERT Michael and LIU Yong-Ding  [Abstract][PDF][HTML]

Characterization of Photosystem I and Photosystem II From Spinach: Effect of Ionic Strength and Impact on PurificationWANG Ling-Ling, HUANG Ya-Qi, ZHANG Xue-Fang, QU Jian-Bo and LIU Jian-Guo  [Abstract][PDF][HTML]

Anticancer Effects of Valproic Acid on Esophageal Stem-like Carcinoma CellsSaboor Maleki,Fatemeh B. Rassouli,MAryam M Matin and Mousavi  [Abstract][PDF][HTML]

New techniques

Bioinformatic Resources and Methods for GlycoproteomicsLIU Hang, YAO Jun, YANG Peng-Yuan and ZHANG Yang  [Abstract][PDF][HTML]

©:Progress in Biochemistry and Biophysics
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