title: Preparation of radioactive initiation factor 3.
mesh_terms: D049148:Aminoacylation; D002250:Carbon Radioisotopes; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003090:Coliphages / Q000378:metabolism; D004926:Escherichia coli / Q000032:analysis* / Q000166:cytology / Q000378:metabolism; D005069:Evaluation Studies as Topic; D006863:Hydrogen-Ion Concentration; D007930:Leucine / Q000378:metabolism; D008722:Methods; D008970:Molecular Weight; D010448:Peptide Initiation Factors / Q000302:isolation & purification*; D014176:Protein Biosynthesis; D012367:RNA, Viral / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism; D013462:Sulfur Radioisotopes; D013997:Time Factors; D014316:Tritium; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D002250:Carbon Radioisotopes; D010448:Peptide Initiation Factors; D012367:RNA, Viral; D013462:Sulfur Radioisotopes; D014764:Viral Proteins; D014316:Tritium; D007930:Leucine