title: Evolution of a biosynthetic pathway: the tryptophan paradigm.
authors.affiliation: Department of Microbiology, University of Iowa, Iowa City 52242.
authors.forename: I P
authors.initials: IP
authors.lastname: Crawford
mesh_terms: D019747:Aldose-Ketose Isomerases; D000595:Amino Acid Sequence; D000878:Anthranilate Synthase / Q000235:genetics / Q000378:metabolism; D001419:Bacteria / Q000201:enzymology / Q000235:genetics / Q000378:metabolism*; D001483:Base Sequence; D002238:Carbohydrate Epimerases / Q000235:genetics / Q000378:metabolism; D003001:Cloning, Molecular; D004269:DNA, Bacterial / Q000235:genetics; D007209:Indole-3-Glycerol-Phosphate Synthase / Q000235:genetics / Q000378:metabolism; D008969:Molecular Sequence Data; D010430:Pentosyltransferases / Q000235:genetics / Q000378:metabolism; D010802:Phylogeny; D014364:Tryptophan / Q000096:biosynthesis*; D014367:Tryptophan Synthase / Q000235:genetics / Q000378:metabolism
chemical_list: D004269:DNA, Bacterial; D014364:Tryptophan; D010430:Pentosyltransferases; D007209:Indole-3-Glycerol-Phosphate Synthase; D000878:Anthranilate Synthase; D014367:Tryptophan Synthase; D002238:Carbohydrate Epimerases; D019747:Aldose-Ketose Isomerases; C029865:phosphoribosylanthranilate isomerase