{"title":"分子动力学模拟研究两性离子结构对聚13丙氨酸(polyalanine13)在水溶液中天然行为的维持","authors":"朱皓淼, 李波, 李利, 沈健","doi":"10.1360/zb2008-38-1-48","DOIUrl":null,"url":null,"abstract":"用分子动力学方法模拟了水溶液中聚13丙氨酸分子(A13)由α-螺旋二级结构(α-helix )向无规线团(radom coil)转变的初期过程, 以及同样条件下A13分子分别与两性离子材料表面和疏水性材料表面作用的行为. 二级结构分析、氢键分析、均方根偏移、二面角分布和吸附程度分析结果显示, 两性离子材料表面对在水环境中A13分子的正常行为影响较小. 间接证明了“维持正常构象”假说.","PeriodicalId":49128,"journal":{"name":"Science in China. Series B, Chemistry","volume":"12 5 1","pages":"48-54"},"PeriodicalIF":0.0000,"publicationDate":"2008-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"分子动力学模拟研究两性离子结构对聚13丙氨酸(polyalanine13)在水溶液中天然行为的维持\",\"authors\":\"朱皓淼, 李波, 李利, 沈健\",\"doi\":\"10.1360/zb2008-38-1-48\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"用分子动力学方法模拟了水溶液中聚13丙氨酸分子(A13)由α-螺旋二级结构(α-helix )向无规线团(radom coil)转变的初期过程, 以及同样条件下A13分子分别与两性离子材料表面和疏水性材料表面作用的行为. 二级结构分析、氢键分析、均方根偏移、二面角分布和吸附程度分析结果显示, 两性离子材料表面对在水环境中A13分子的正常行为影响较小. 间接证明了“维持正常构象”假说.\",\"PeriodicalId\":49128,\"journal\":{\"name\":\"Science in China. Series B, Chemistry\",\"volume\":\"12 5 1\",\"pages\":\"48-54\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-01-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science in China. Series B, Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1360/zb2008-38-1-48\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science in China. Series B, Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1360/zb2008-38-1-48","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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