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. 1982 May;42(2):372–378. doi: 10.1128/jvi.42.2.372-378.1982

Analysis of proteins synthesized in respiratory syncytial virus-infected cells.

E J Dubovi
PMCID: PMC256862  PMID: 7086963

Abstract

The spectrum of respiratory syncytial virus-encoded proteins was examined in infected cell extracts by standard polyacrylamide gel electrophoresis and by two-dimensional gel analysis. Polyacrylamide gel electrophoresis analysis of a variety of respiratory syncytial virus-infected, actinomycin D-treated cell lines revealed the presence of as many as nine virus-encoded proteins. Seven of these nine proteins were immunoprecipitated by anti-respiratory syncytial serum. Only one major band of [3H]glucosamine was detected in infected cell extracts (Vp86), whereas the reported major virion glycoprotein (Vp48-53) was difficult to detect in infected cells when carbohydrate labels were employed. Two-dimensional gel analysis easily identified seven viral proteins, and one other was tentatively identified. The reported major virion glycoprotein again was not consistently detected. The results of this study confirm the existence of a virus-coded glycoprotein (Vp86) in infected cell extracts. The existence of this glycoprotein in the purified virion has been in dispute, but the apparent low methionine content of this protein may be the reason for this controversy.

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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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