title: Guanosine tetra- and pentaphosphate synthesis by bacterial stringent factor and eukaryotic ribosomes.
mesh_terms: D000255:Adenosine Triphosphate; D000818:Animals; D002460:Cell Line; D002474:Cell-Free System; D004926:Escherichia coli; D006150:Guanine Nucleotides / Q000096:biosynthesis*; D010756:Phosphoric Acids; D010770:Phosphotransferases / Q000378:metabolism*; D012270:Ribosomes / Q000378:metabolism*; D012377:Rodentia; D013768:Tetrahymena
chemical_list: D006150:Guanine Nucleotides; D010756:Phosphoric Acids; D000255:Adenosine Triphosphate; D010770:Phosphotransferases