title: Synthesis of guanosine polyphosphates (pppGpp and ppGpp) and its regulation by aminoacyl-tRNA.
mesh_terms: D001426:Bacterial Proteins / Q000502:physiology; D004926:Escherichia coli / Q000378:metabolism*; D006150:Guanine Nucleotides / Q000096:biosynthesis*; D006158:Guanosine Pentaphosphate / Q000096:biosynthesis*; D006159:Guanosine Tetraphosphate / Q000096:biosynthesis*; D007700:Kinetics; D008239:Lysine / Q000494:pharmacology; D011131:Polyribonucleotides / Q000494:pharmacology; D012333:RNA, Messenger / Q000378:metabolism; D012346:RNA, Transfer, Amino Acyl / Q000502:physiology*; D012270:Ribosomes / Q000187:drug effects / Q000378:metabolism
chemical_list: D001426:Bacterial Proteins; D006150:Guanine Nucleotides; D011131:Polyribonucleotides; D012333:RNA, Messenger; D012346:RNA, Transfer, Amino Acyl; D006159:Guanosine Tetraphosphate; D006158:Guanosine Pentaphosphate; D008239:Lysine