Structure of and alterations to defective murine sarcoma virus particles lacking envelope proteins and core polyprotein cleavage
- PMID: 6257930
- PMCID: PMC353714
- DOI: 10.1128/JVI.36.3.872-877.1980
Structure of and alterations to defective murine sarcoma virus particles lacking envelope proteins and core polyprotein cleavage
Abstract
HTG2 hamster cells produce a defective murine sarcoma virus lacking gp70 and, consequently, viral surface projections (knobs), but the lack of knobs appears to have no effect on intramembrane particle distribution. In addition, it has been noted that the core of the virus remains in the "immature" form as a result of the failure of the polyprotein precursor (p65) to undergo cleavage. However, incubation of HTG2 virus with avian myoblastosis virus was found to yield specific cleavage products of p65.
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