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1、密級公開分類號０４３＿ＸＶＡＮＴＥＣＨＮＯＬＯＧＩＣＡＬＵＮＩＶＥＲＳＩＴＹＩ碩士學(xué)位論文＿題目：蛋白質(zhì)分子分類及三維建模研究作者：孫素平、指導(dǎo)教師：史小紅副教授馮孝周副教授申請學(xué)位學(xué)科：ｍ２０１８年５月７日密級公開分類號O43XI’ANTECHNOLOGICALUNIVERSITY碩士學(xué)位論文題目:蛋白質(zhì)分子分類及三維建模研究作者：黑體4孫號素平指導(dǎo)教師：史小紅副教授馮孝周副教授申請學(xué)位學(xué)科：光學(xué)2018年5月7日型；然后基于X射線衍射原理對血紅蛋白和肌紅蛋白建立了球棍模型、球體模型、以及卡通模型三種模型
2、，并對其基于5階harr小波變換進行了比對，研究結(jié)果表明：他們的序列存在很大的差異性，從卡通模型中我們可以明顯看出兩類蛋白質(zhì)均為單鏈α類蛋白質(zhì)，他們的螺旋類型導(dǎo)致了其功能的相似性。關(guān)鍵詞：蛋白質(zhì)分子；蛋白質(zhì)結(jié)構(gòu)分類；小波變換；結(jié)構(gòu)相似性分析eigenvalueandthehydrophobicvalueoftheproteinisfound.Thecorrelationcoefficientwasrelatedtotheclassificationofproteinstructure.Atlast,theaminoacidsequenceof180setsofproteinswasr
3、andomlydownloadedonPDBwebsite.Theresultsshowedthattheaccuracyoftheclassificationofαtypeandβtypeproteinmoleculesreached89.65%,theaccuracyofthemolecularclassificationofαβtypeproteinsreached92.86%,andtheresultsshowedthatthewaveletanalysismethodiseffectiveinproteinstructureclassification.Finally,mo
4、delingandcomparativeanalysisoftwokindsofstructuralsimilarproteinsareconcerned.Particularly,threedimensionalmodelingandanalysisoftwokindsofproteinswithsimilarstructuresanddifferentsequencesareestablished.Firstly,theproteinanalysismodelofVDWmodel,ballstickmodelanddriftmodelarestudied.Then,basedon
5、theprincipleofXraydiffraction,threemodelsofhemoglobinandmyoglobinareestablished,suchastheballmodel,thespheremodelandthecartoonmodel,andthecomparisonismadeonthe5orderHarrwavelettransform.Asaresult:thereisagreatdifferenceintheirsequence.Fromthecartoonmodel,wecanclearlyseethatalltwokindsofproteins
6、aresinglestrandαtypeproteins,andtheirtypeofhelixleadstothesimilarityoftheirfunction.Keywords:Proteinmolecules;Proteinstructureclassification;Wavelettransform;Structuralsimilarityanalysis目錄1緒論........................................................................................................
7、................................11.1引言..................................................................................................................................11.2研究背景及意義...................................................
