{"title":"Identification and purification of a soluble species of gp120 released by zymolyase treatment of Pneumocystis carinii.","authors":"M J Linke, P D Walzer","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Purified zymolyase containing beta-glucanase activity releases a soluble species of the gp120 component of the high molecular weight surface antigen complex of rat- and human-derived Pneumocystis carinii. We have purified the soluble gp120 from rat-derived P. carinii by concanavalin A-affinity- and hydrophobic-interaction liquid chromatography. A single band was detected in this fraction by silver staining and immunoblotting. We have also partially purified a soluble form of the corresponding high molecular weight surface antigen from human-derived P. carinii. Identification and purification of a nondenatured soluble species of gp120 will assist in the characterization of its interactions within the surface antigen complex and with host molecules.</p>","PeriodicalId":22758,"journal":{"name":"The Journal of protozoology","volume":"38 6","pages":"176S-178S"},"PeriodicalIF":0.0000,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Journal of protozoology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Purified zymolyase containing beta-glucanase activity releases a soluble species of the gp120 component of the high molecular weight surface antigen complex of rat- and human-derived Pneumocystis carinii. We have purified the soluble gp120 from rat-derived P. carinii by concanavalin A-affinity- and hydrophobic-interaction liquid chromatography. A single band was detected in this fraction by silver staining and immunoblotting. We have also partially purified a soluble form of the corresponding high molecular weight surface antigen from human-derived P. carinii. Identification and purification of a nondenatured soluble species of gp120 will assist in the characterization of its interactions within the surface antigen complex and with host molecules.
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