title: The presence of 2-methylthio-N 6 -(  2 -isopentenyl)adenosine in leucine, tryptophan and cysteine tRNA's from Escherichia coli.
mesh_terms: D000227:Adenine Nucleotides / Q000032:analysis*; D000241:Adenosine / Q000032:analysis*; D000475:Alkenes / Q000032:analysis; D002247:Carbon Isotopes; D002845:Chromatography; D003545:Cysteine; D004926:Escherichia coli / Q000032:analysis*; D005815:Genetic Code; D007930:Leucine / Q000378:metabolism; D012343:RNA, Transfer / Q000032:analysis* / Q000302:isolation & purification / Q000378:metabolism; D012260:Ribonucleases; D012270:Ribosomes / Q000378:metabolism; D013053:Spectrophotometry; D013440:Sulfides / Q000032:analysis; D014364:Tryptophan
chemical_list: D000227:Adenine Nucleotides; D000475:Alkenes; D002247:Carbon Isotopes; D013440:Sulfides; D014364:Tryptophan; D012343:RNA, Transfer; D012260:Ribonucleases; D007930:Leucine; D000241:Adenosine; D003545:Cysteine