title: Studies on polypeptide elongation factors from Escherichia coli. II. Purification of factors Tu-guanosine diphosphate, Ts, and Tu-Ts, and crystallization of Tu-guanosine diphosphate and Tu-Ts.
mesh_terms: D000645:Ammonium Sulfate; D002384:Catalysis; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003460:Crystallization; D004355:Drug Stability; D004589:Electrophoresis, Disc; D004926:Escherichia coli; D006150:Guanine Nucleotides; D010445:Peptide Elongation Factors / Q000302:isolation & purification*; D011485:Protein Binding; D014316:Tritium; D014461:Ultracentrifugation
chemical_list: D006150:Guanine Nucleotides; D010445:Peptide Elongation Factors; D014316:Tritium; D000645:Ammonium Sulfate