title: Function and purification of gene 4 protein of phage T7.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000032:analysis / Q000378:metabolism*; D004279:DNA, Viral / Q000096:biosynthesis / Q000302:isolation & purification / Q000378:metabolism; D004926:Escherichia coli; D005796:Genes; D008242:Lysogeny; D009154:Mutation; D009693:Nucleic Acid Hybridization; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014764:Viral Proteins / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins; D014316:Tritium; D013936:Thymidine