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. 1975 Dec;16(6):1599–1607. doi: 10.1128/jvi.16.6.1599-1607.1975

Relationships among the polypeptides of Newcastle disease virus.

L E Hightower, T G Morrison, M A Bratt
PMCID: PMC355769  PMID: 1202248

Abstract

We have studied the relationships among the polypeptides of Newcastle disease virus by using both kinetic and tryptic peptide analyses. The results of our tryptic peptide analyses suggest that there are at least six unique viral polypeptides--L, HN, FO(F), NP, M, and a 47,000-dalton polypeptide. The small virion glycopolypeptide F is related to FO, a glycopolypeptide found only in infected cells. In addition, several smaller polypeptides, including a 53,000-dalton polypeptide found both in purified virions and in infected cells, are related to the nucleocaspid protein. Kinetic analysis of each viral polypeptide reveals that all of the major viral polypeptides, with the possible exception of L, are stable after an amino acid chase. A precursor-product relationship between FO and F was not demonstrable by pulse-chase experiments. Also, almost the same relative amount of F, the putative product, was present in infected cultures after either 5 or 30 min of radioisotopic labeling. These results suggest that FO is processed rapidly.

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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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