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. 1971 May;7(5):569–576. doi: 10.1128/jvi.7.5.569-576.1971

Australia Antigen: Large-Scale Purification from Human Serum and Biochemical Studies of Its Proteins

J L Gerin a, P V Holland b, R H Purcell c
PMCID: PMC356164  PMID: 5105002

Abstract

Biophysical techniques are described for the large-scale isolation of Australia antigen (Au) from unit quantities of human serum by using the batch-type zonal centrifuge rotors. A three-step procedure involving isopycnic banding of the particle in CsCl density gradients and rate-zonal centrifugation on sucrose gradients resulted in a highly purified Au preparation which was used for biochemical studies of Au proteins and as immunizing antigen for the production of reagent antiserum in animals. The spherical form of Au, which was devoid of detectable nucleic acid, was composed of two major proteins (AuP1 and AuP2) and a minor protein (AuP3) of 26,000, 32,000, and 40,000 molecular weight, respectively, as determined by acrylamide gel electrophoresis. The significance of these findings to the possibility of Au subtypes is discussed.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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