title: Defective mouse sarcoma virus deficient in DNA polymerase activity.
mesh_terms: D000645:Ammonium Sulfate; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D004254:DNA Nucleotidyltransferases / Q000378:metabolism*; D004279:DNA, Viral / Q000378:metabolism; D003673:Defective Viruses / Q000201:enzymology* / Q000302:isolation & purification; D004720:Endonucleases / Q000378:metabolism; D004996:Ethidium; D017988:Gammaretrovirus / Q000201:enzymology* / Q000302:isolation & purification; D009052:Leukemia Virus, Murine / Q000201:enzymology; D013539:Simian virus 40; D013698:Templates, Genetic; D013942:Thymine Nucleotides / Q000378:metabolism; D014316:Tritium
chemical_list: D004279:DNA, Viral; D013942:Thymine Nucleotides; D014316:Tritium; D004254:DNA Nucleotidyltransferases; D004720:Endonucleases; D004996:Ethidium; D000645:Ammonium Sulfate