{"title":"一种含锰超氧化物歧化酶的纯化及性质研究。","authors":"R Reinards, R Altdorf, H D Ohlenbusch","doi":"10.1515/bchm2.1984.365.1.577","DOIUrl":null,"url":null,"abstract":"<p><p>From the prokaryotic microorganism Acholeplasma laidlawii the major manganese-containing superoxide dismutase has been purified to homogeneity, as judged by polyacrylamide gel electrophoresis. The molecular mass of the enzyme was found to be 41 500 Da. It consists of two subunits of identical size and has an isoelectric point of 6.4. The enzyme contains 0.51 +/- 0.05 atoms of manganese per subunit. Its amino-acid composition and light absorption spectra are presented and compared with Mn- and Fe- containing superoxide dismutases from other prokaryotic organisms.</p>","PeriodicalId":13015,"journal":{"name":"Hoppe-Seyler's Zeitschrift fur physiologische Chemie","volume":"365 5","pages":"577-85"},"PeriodicalIF":0.0000,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/bchm2.1984.365.1.577","citationCount":"4","resultStr":"{\"title\":\"Purification and properties of a manganese-containing superoxide dismutase from Acholeplasma laidlawii.\",\"authors\":\"R Reinards, R Altdorf, H D Ohlenbusch\",\"doi\":\"10.1515/bchm2.1984.365.1.577\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>From the prokaryotic microorganism Acholeplasma laidlawii the major manganese-containing superoxide dismutase has been purified to homogeneity, as judged by polyacrylamide gel electrophoresis. The molecular mass of the enzyme was found to be 41 500 Da. It consists of two subunits of identical size and has an isoelectric point of 6.4. The enzyme contains 0.51 +/- 0.05 atoms of manganese per subunit. Its amino-acid composition and light absorption spectra are presented and compared with Mn- and Fe- containing superoxide dismutases from other prokaryotic organisms.</p>\",\"PeriodicalId\":13015,\"journal\":{\"name\":\"Hoppe-Seyler's Zeitschrift fur physiologische Chemie\",\"volume\":\"365 5\",\"pages\":\"577-85\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1515/bchm2.1984.365.1.577\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Hoppe-Seyler's Zeitschrift fur physiologische Chemie\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1515/bchm2.1984.365.1.577\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hoppe-Seyler's Zeitschrift fur physiologische Chemie","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/bchm2.1984.365.1.577","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Purification and properties of a manganese-containing superoxide dismutase from Acholeplasma laidlawii.
From the prokaryotic microorganism Acholeplasma laidlawii the major manganese-containing superoxide dismutase has been purified to homogeneity, as judged by polyacrylamide gel electrophoresis. The molecular mass of the enzyme was found to be 41 500 Da. It consists of two subunits of identical size and has an isoelectric point of 6.4. The enzyme contains 0.51 +/- 0.05 atoms of manganese per subunit. Its amino-acid composition and light absorption spectra are presented and compared with Mn- and Fe- containing superoxide dismutases from other prokaryotic organisms.
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