title: Amino-terminally formylated tryptophan synthase alpha-subunit produced by the trp operon cloned in a plasmid vector.
abstract: The trp operon of Escherichia coli cloned in a multicopy plasmid produced an amino-terminally formylated tryptophan synthase alpha-subunit, as well as the normal deformylated one.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003001:Cloning, Molecular; D004274:DNA, Recombinant / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology*; D046911:Macromolecular Substances; D009876:Operon; D010957:Plasmids; D014367:Tryptophan Synthase / Q000096:biosynthesis*
chemical_list: D000596:Amino Acids; D004274:DNA, Recombinant; D046911:Macromolecular Substances; D014367:Tryptophan Synthase