title: Submit complex 3-IV as the nucleotide binding site of Q-beta replicase.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D001665:Binding Sites / Q000187:drug effects; D002499:Centrifugation, Density Gradient; D002729:Chloromercuribenzoates / Q000494:pharmacology; D003090:Coliphages / Q000201:enzymology*; D003597:Cytosine Nucleotides / Q000378:metabolism; D012321:DNA-Directed RNA Polymerases / Q000032:analysis / Q000037:antagonists & inhibitors / Q000378:metabolism*; D004591:Electrophoresis, Polyacrylamide Gel; D006160:Guanosine Triphosphate / Q000378:metabolism; D008970:Molecular Weight; D012328:RNA Viruses / Q000201:enzymology; D012265:Ribonucleotides / Q000378:metabolism*; D013329:Structure-Activity Relationship; D014316:Tritium; D014500:Uracil Nucleotides / Q000378:metabolism; D014779:Virus Replication
chemical_list: D002729:Chloromercuribenzoates; D003597:Cytosine Nucleotides; D012265:Ribonucleotides; D014500:Uracil Nucleotides; D014316:Tritium; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D012321:DNA-Directed RNA Polymerases