Abstract
A Sendai virus-induced transcriptase-template complex was isolated from the cytoplasm of infected cells by combined sedimentation and isopycnic centrifugation. This transcriptive complex banded at 1.27 g/cm(3) in D(2)O-sucrose gradients. It contained two polypeptides, the viral nucleocapsid structure unit (molecular weight, 60,000) and the largest virion polypeptide (molecular weight, 75,000). The buoyant density, chemical composition, and electron microscopic appearance of the transcriptive complex indicate a structure like that of viral nucleocapsids.
MeSH Terms
Animals
Carbon Isotopes
Cell-Free System
Cells, Cultured
Centrifugation, Density Gradient
Chick Embryo
Cytoplasm/enzymology
DNA-Directed RNA Polymerases/isolation & purification,metabolism
Deuterium
Electrophoresis, Polyacrylamide Gel
Genetics, Microbial
Lung
Microscopy, Electron
Molecular Weight
Nucleoproteins/analysis
Oxides
Parainfluenza Virus 1, Human/analysis
Peptides/analysis
Staining and Labeling
Sucrose
Templates, Genetic
Transcription, Genetic
Tritium
Viral Proteins/analysis
Chemicals
Carbon Isotopes
Nucleoproteins
Oxides
Peptides
Viral Proteins
Tritium
Sucrose
Deuterium
DNA-Directed RNA Polymerases
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Stone H O
Kingsbury D W
Darlington R W
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