title: Purification and properties of two messenger-discriminating species of E. coli initiation factor 3.
mesh_terms: D049148:Aminoacylation; D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003090:Coliphages / Q000378:metabolism; D004589:Electrophoresis, Disc; D004926:Escherichia coli / Q000166:cytology / Q000378:metabolism*; D007525:Isoelectric Focusing; D008970:Molecular Weight; D010448:Peptide Initiation Factors / Q000302:isolation & purification*; D010759:Phosphorus Isotopes; D014176:Protein Biosynthesis; D012329:RNA, Bacterial / Q000378:metabolism*; D012333:RNA, Messenger / Q000378:metabolism*; D012367:RNA, Viral / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014316:Tritium
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D010448:Peptide Initiation Factors; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012367:RNA, Viral; D014316:Tritium