title: Multiple aminoacyl-RNA synthetase systems and the genetic code in neurospora.
mesh_terms: D002845:Chromatography; D003377:Countercurrent Distribution; D004926:Escherichia coli; D005815:Genetic Code; D007930:Leucine / Q000378:metabolism; D008025:Ligases / Q000378:metabolism*; D009491:Neurospora / Q000201:enzymology*; D010649:Phenylalanine / Q000378:metabolism*; D011119:Polynucleotides; D012343:RNA, Transfer / Q000378:metabolism*; D012270:Ribosomes; D013045:Species Specificity
chemical_list: D011119:Polynucleotides; D010649:Phenylalanine; D012343:RNA, Transfer; D008025:Ligases; D007930:Leucine