Studies on the structural basis of the RNA polymerase activity of newcastle disease virus particles.

Animals Carbon Isotopes Cells, Cultured/metabolism Centrifugation, Density Gradient Chick Embryo DNA-Directed RNA Polymerases/metabolism Electrophoresis, Polyacrylamide Gel Glycoproteins/analysis,isolation & purification Hot Temperature Interferons/biosynthesis Microscopy, Electron Newcastle disease virus/analysis,enzymology,isolation & purification,pathogenicity Nucleoproteins/analysis,isolation & purification Phospholipids/isolation & purification Phosphorus Isotopes Solvents Surface-Active Agents Temperature Tritium Viral Proteins/analysis,isolation & purification

Carbon Isotopes Glycoproteins Nucleoproteins Phospholipids Phosphorus Isotopes Solvents Surface-Active Agents Viral Proteins Tritium Interferons DNA-Directed RNA Polymerases