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. 1977 Oct;18(1):60–67. doi: 10.1128/iai.18.1.60-67.1977

Quantitative immunoelectrophoretic assay for murine oncornavirus p30: noncovalent facilitation by sodium dodecyl sulfate.

O R Robinson Jr, G P Shibley, M Sevoian
PMCID: PMC421193  PMID: 908622

Abstract

Treatment of Rauscher murine leukemia virus lysates with the anionic detergent sodium dodecyl sulfate (SDS) at concentrations between 0.2 to 2.0% SDS per mg of viral protein greatly increased the anodal electrophoretic mobility of p30, the major internal polypeptide. SDS treatment did not reduce p30 antigenicity or cause nonspecific precipitation of normal serum proteins during subsequent immunoanalysis. The increased anodal electrophoretic mobility allowed assay of Rauscher murine leukemia virus p30 by Laurell rocket immunoelectrophoresis. An SDS-facilitated rocket immunoelectrophoresis assay is described that was highly reproducible (coefficient of variability, less than 3.0%) and capable of detecting 125 ng of viral protein. To our knowledge, this is the first report of a quantitative immunoelectrophoretic assay for an oncornavirus antigen. Since SDS binding is a general property of proteins, this method of noncovalently altering electrophoretic mobility appears to be applicable to other antigen-antibody systems.

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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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