title: Function of bacteriophage Qbeta replicase containing an altered subunit IV.
mesh_terms: D003090:Coliphages / Q000201:enzymology; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000378:metabolism; D006150:Guanine Nucleotides / Q000378:metabolism; D006358:Hot Temperature; D009154:Mutation; D010445:Peptide Elongation Factors; D011485:Protein Binding; D012328:RNA Viruses; D012367:RNA, Viral / Q000096:biosynthesis; D014316:Tritium; D014779:Virus Replication
chemical_list: D006150:Guanine Nucleotides; D010445:Peptide Elongation Factors; D012367:RNA, Viral; D014316:Tritium; D012321:DNA-Directed RNA Polymerases