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Amino acid composition-dependent elasticity of spider silk
Zhang, Y; Dai, L; Ou-Yang, ZC; Zhang, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS B
ISSN0217-9792
卷号18期号:17-19页码:2516-2522
摘要Spider silk exhibits excellent mechanical features in both toughness and extensibility. In recent years considerable investigations have focused on it. The understanding of spider silk protein is important for the development bionic silk. In this paper, we study by Monte Carlo simulation the force-of-extension property of spider silk proteins as a function of the residue composition for major and minor ampullate glands of typical Araneid orb weaver as well as that for one artificial spider silk. The results are also compared with those from a designed protein whose amino acid composition is uniform. The results clearly show that the major and minor ampullate gland proteins axe much tougher than the designed protein, whereas the artificial protein, as a model of a nature spider silk, does have good mechanical properties. Our simulation reveals that mechanical property of a spider silk protein is dependent on its amino acid composition and that an excellent result of natural evolution is manifest in the composition of the spider silk protein.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China; Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
关键词Dragline Silk Simulation Fibroin
学科领域Physics
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收录类别SCI
WOS记录号WOS:000224475600023
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14040
专题1978-2010年知识产出
通讯作者Zhang, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Zhang, Y,Dai, L,Ou-Yang, ZC,et al. Amino acid composition-dependent elasticity of spider silk[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2004,18(17-19):2516-2522.
APA Zhang, Y,Dai, L,Ou-Yang, ZC,&Zhang, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Amino acid composition-dependent elasticity of spider silk.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,18(17-19),2516-2522.
MLA Zhang, Y,et al."Amino acid composition-dependent elasticity of spider silk".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 18.17-19(2004):2516-2522.
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