title: The host factor requirement of Qbeta RNA replicase.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification / Q000494:pharmacology*; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003090:Coliphages / Q000187:drug effects / Q000201:enzymology*; D012321:DNA-Directed RNA Polymerases / Q000037:antagonists & inhibitors / Q000378:metabolism*; D004926:Escherichia coli / Q000166:cytology / Q000378:metabolism; D006146:Guanidines; D006160:Guanosine Triphosphate / Q000378:metabolism; D007700:Kinetics; D010761:Phosphorus Radioisotopes; D012270:Ribosomes / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013698:Templates, Genetic; D014779:Virus Replication / Q000187:drug effects
chemical_list: D001426:Bacterial Proteins; D006146:Guanidines; D010761:Phosphorus Radioisotopes; D006160:Guanosine Triphosphate; D012321:DNA-Directed RNA Polymerases