title: Cyclic adenosine-5'-trimetaphosphate phosphorylates a histidine residue nearby the initiating substrate binding site of Escherichia coli DNA-dependent RNA-polymerase.
mesh_terms: D001665:Binding Sites; D000242:Cyclic AMP / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology*; D006639:Histidine; D007700:Kinetics; D010766:Phosphorylation; D011485:Protein Binding
chemical_list: D006639:Histidine; C034220:cyclic adenosine-5'-trimetaphosphate; D000242:Cyclic AMP; D012321:DNA-Directed RNA Polymerases