{"title":"Purification and characterization of acute phase rat plasma thiostatin.","authors":"M E Rusiniak, P V Wagh, G S Bedi, N Back","doi":"10.1080/10826069408010081","DOIUrl":null,"url":null,"abstract":"<p><p>Thiostatin was purified from acute phase plasma of turpentine-treated rats by a novel, single-step carboxymethyl-papain Sepharose 4B column chromatographic procedure. Purified thiostatin appeared as a single band in SDS-PAGE with an estimated molecular weight of 68,000. Western blot with polyclonal rabbit anti-thiostatin IgG confirmed a homogeneous immuno-reactive 68 kDa species. Specific activity, as determined by enzyme-linked immunosorbent assay (ELISA), was 0.972 mg kininogen equivalent per mg protein. The yield of thiostatin exceeded 60% and the protein was purified 10.7-fold.</p>","PeriodicalId":20391,"journal":{"name":"Preparative biochemistry","volume":"24 1","pages":"41-59"},"PeriodicalIF":0.0000,"publicationDate":"1994-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/10826069408010081","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Preparative biochemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10826069408010081","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Thiostatin was purified from acute phase plasma of turpentine-treated rats by a novel, single-step carboxymethyl-papain Sepharose 4B column chromatographic procedure. Purified thiostatin appeared as a single band in SDS-PAGE with an estimated molecular weight of 68,000. Western blot with polyclonal rabbit anti-thiostatin IgG confirmed a homogeneous immuno-reactive 68 kDa species. Specific activity, as determined by enzyme-linked immunosorbent assay (ELISA), was 0.972 mg kininogen equivalent per mg protein. The yield of thiostatin exceeded 60% and the protein was purified 10.7-fold.
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