{"title":"细胞色素C氧化酶和多阴离子对铁细胞色素C碱性转变的影响。","authors":"M Antalík, M Bona, J Bágelová","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Application of heparin, polyadenylate, polyglutamate and polygalacturonate resulted in changes in the electron absorption spectrum of cytochrome c that resembled those after cytochrome c oxidase application at neutral pH. The formed complexes of cytochrome c with polyanions retain the bond of Met-80 with heme iron. Cytochrome c oxidase and the polyanions increased the apparent pKa of alkaline transition of cytochrome c by an order of magnitude.</p>","PeriodicalId":8778,"journal":{"name":"Biochemistry international","volume":"28 4","pages":"675-82"},"PeriodicalIF":0.0000,"publicationDate":"1992-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of cytochrome C oxidase and polyanions on the alkaline transition of ferricytochrome C.\",\"authors\":\"M Antalík, M Bona, J Bágelová\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Application of heparin, polyadenylate, polyglutamate and polygalacturonate resulted in changes in the electron absorption spectrum of cytochrome c that resembled those after cytochrome c oxidase application at neutral pH. The formed complexes of cytochrome c with polyanions retain the bond of Met-80 with heme iron. Cytochrome c oxidase and the polyanions increased the apparent pKa of alkaline transition of cytochrome c by an order of magnitude.</p>\",\"PeriodicalId\":8778,\"journal\":{\"name\":\"Biochemistry international\",\"volume\":\"28 4\",\"pages\":\"675-82\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Biochemistry international\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biochemistry international","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effect of cytochrome C oxidase and polyanions on the alkaline transition of ferricytochrome C.
Application of heparin, polyadenylate, polyglutamate and polygalacturonate resulted in changes in the electron absorption spectrum of cytochrome c that resembled those after cytochrome c oxidase application at neutral pH. The formed complexes of cytochrome c with polyanions retain the bond of Met-80 with heme iron. Cytochrome c oxidase and the polyanions increased the apparent pKa of alkaline transition of cytochrome c by an order of magnitude.
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