title: A ribosomal-bound aminopeptidase in Escherichia coli B: substrate specificity.
mesh_terms: D000626:Aminopeptidases; D001426:Bacterial Proteins; D002268:Carboxypeptidases / Q000032:analysis; D004151:Dipeptides; D004926:Escherichia coli / Q000166:cytology / Q000201:enzymology; D006868:Hydrolysis; D007930:Leucine; D008239:Lysine; D008715:Methionine; D010455:Peptides; D012270:Ribosomes / Q000201:enzymology*; D013237:Stereoisomerism; D013912:Threonine
chemical_list: D001426:Bacterial Proteins; D004151:Dipeptides; D010455:Peptides; D013912:Threonine; D008715:Methionine; D002268:Carboxypeptidases; D000626:Aminopeptidases; D007930:Leucine; D008239:Lysine