title: Ribosomal synthesis of guanosine tetra- and pentaphosphate with mRNAs of different chain length.
mesh_terms: D004926:Escherichia coli / Q000378:metabolism; D006150:Guanine Nucleotides / Q000096:biosynthesis*; D006158:Guanosine Pentaphosphate / Q000096:biosynthesis*; D006159:Guanosine Tetraphosphate / Q000096:biosynthesis*; D007700:Kinetics; D008970:Molecular Weight; D009843:Oligoribonucleotides; D010649:Phenylalanine; D012333:RNA, Messenger / Q000378:metabolism*; D012343:RNA, Transfer / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism*
chemical_list: D006150:Guanine Nucleotides; D009843:Oligoribonucleotides; D012333:RNA, Messenger; D006159:Guanosine Tetraphosphate; D006158:Guanosine Pentaphosphate; D010649:Phenylalanine; D012343:RNA, Transfer