title: Studies on the Escherichia coli Methionine transfer ribonucleic acids.
mesh_terms: D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D003377:Countercurrent Distribution; D003864:Depression, Chemical; D003911:Dextrans; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology; D005561:Formates; D005815:Genetic Code; D008025:Ligases; D008715:Methionine; D008722:Methods; D008967:Molecular Biology; D009705:Nucleosides / Q000032:analysis; D010179:Pancreas / Q000201:enzymology; D012329:RNA, Bacterial / Q000032:analysis / Q000302:isolation & purification; D012343:RNA, Transfer / Q000032:analysis / Q000302:isolation & purification; D012260:Ribonucleases; D012270:Ribosomes / Q000378:metabolism; D013057:Spectrum Analysis; D013889:Thiouracil
chemical_list: D002247:Carbon Isotopes; D003911:Dextrans; D005561:Formates; D009705:Nucleosides; D012329:RNA, Bacterial; D013889:Thiouracil; D012343:RNA, Transfer; D008715:Methionine; D012260:Ribonucleases; D008025:Ligases