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Amino acid composition-dependent elasticity of spider silk
Zhang, Y; Dai, L; Ou-Yang, ZC
2004
Conference Name1st Cross Taiwan-strait Conference on Statistical Physics
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume18
Issue17-19
Pages2516-2522
Conference DateAUG 26-31, 2003
Conference PlaceYangzhou, PEOPLES R CHINA
Publication PlaceSINGAPORE
ISSN0217-9792
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
AbstractSpider 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.
KeywordDRAGLINE SILK SIMULATION FIBROIN
DOI10.1142/S0217979204025592
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
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Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23722
CollectionSCI会议论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China
3.Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Y,Dai, L,Ou-Yang, ZC. Amino acid composition-dependent elasticity of spider silk[C]. SINGAPORE:WORLD SCIENTIFIC PUBL CO PTE LTD,2004:2516-2522.
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