title: A procedure for the rapid preparation of guanosine tetraphosphate (ppGpp) from Escherichia coli ribosomes.
authors.affiliation: Institut für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, Germany.
authors.forename: M
authors.initials: M
authors.lastname: Krohn
authors.forename: R
authors.initials: R
authors.lastname: Wagner
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D002850:Chromatography, Gel / Q000379:methods; D002852:Chromatography, Ion Exchange / Q000379:methods; D004926:Escherichia coli / Q000378:metabolism*; D006153:Guanosine Diphosphate / Q000378:metabolism; D006159:Guanosine Tetraphosphate / Q000096:biosynthesis / Q000302:isolation & purification*; D010761:Phosphorus Radioisotopes; D011865:Radioisotope Dilution Technique; D012270:Ribosomes / Q000378:metabolism*
chemical_list: D010761:Phosphorus Radioisotopes; D006153:Guanosine Diphosphate; D006159:Guanosine Tetraphosphate; D000255:Adenosine Triphosphate